PRK Eye Surgery for Active Military, Police & High-Impact Roles
If you’re considering a career in the military, police, firefighting, aviation or any physically demanding field, you may already know that vision requirements can be strict. Clear, dependable eyesight is essential when you’re working in unpredictable environments where every second matters. Because of these demands, many people in high-impact roles start comparing PRK with LASIK, hoping to find the safest and most reliable vision correction option.
The truth is that PRK has become the preferred choice for many armed forces and emergency services worldwide. Its flap-free nature makes it uniquely suited to environments where trauma, pressure changes and physical contact are common. In this guide, I want to explain why PRK is frequently approved for military and police roles, how it compares with LASIK, what you can expect from the procedure and why it’s often considered the safest long-term option for high-impact careers.
Why Vision Correction Matters for High-Impact Careers
High-impact careers demand consistently sharp, dependable vision because the environments you work in are often fast-moving, physically intense, and unpredictable. In these roles, your eyes are constantly processing complex visual information whether that’s tracking rapid movement, reacting instantly to unexpected cues, reading detailed instruments, or navigating unfamiliar surroundings. You may also need to perform accurately in difficult conditions such as bright sunlight, low-light environments, airborne dust, sweat, debris, or during rapid motion. All of this places considerable pressure on your visual system to stay clear, stable, and reliable at all times.
In careers where precision, awareness, and quick decision-making are essential, even a brief moment of blurred or reduced vision can lead to mistakes that put you or others at risk. This is why choosing the right type of vision correction be it glasses, contact lenses, or a longer-term solution such as laser eye surgery becomes an important part of preparing for these professions. The goal is not just to see clearly during routine tasks, but to maintain high-quality vision in challenging, high-stress situations where clarity truly matters. Ensuring your vision is optimised helps you work safely, respond efficiently, and consistently perform at the level your role demands.
What Makes PRK Different from LASIK?
PRK and LASIK are both highly effective laser eye surgeries that correct vision by reshaping the cornea, but the way they access the corneal tissue is what sets them apart. LASIK involves creating a thin flap on the surface of the cornea, lifting it to apply the laser, and then placing it back down to heal. This flap-based approach allows for a quicker, more comfortable recovery for most patients.
PRK, on the other hand, removes the ultra-thin surface layer of the cornea (the epithelium) instead of creating a flap. The laser is then applied directly to the exposed corneal surface, and the epithelium naturally grows back over a few days. Because there’s no flap involved, PRK is particularly suitable for people with thinner corneas, those at higher risk of eye trauma, or individuals entering physically demanding professions where flap stability is a concern.
LASIK: The procedure begins by creating a thin, hinged flap on the surface of the cornea using either a microkeratome blade or a femtosecond laser. This flap is carefully lifted to expose the underlying corneal tissue, which is then precisely reshaped with an excimer laser to correct nearsightedness, farsightedness, or astigmatism. Once the reshaping is complete, the flap is gently repositioned, where it naturally adheres without stitches, allowing for rapid visual recovery and minimal discomfort.
PRK: No corneal flap is created; instead, the thin surface epithelium is gently removed to expose the treatment area. The laser then reshapes the corneal surface directly to correct the refractive error. After the procedure, the epithelium regenerates naturally over the next few days, providing a flap-free alternative that is often preferred for patients with thinner corneas or those in high-impact professions.
Why PRK Is Safer for Military, Police and High-Impact Roles
PRK is often considered the safer option for military personnel, police officers, firefighters, athletes, and others working in physically demanding or high-risk environments. The key reason is that PRK does not involve creating a corneal flap, eliminating the possibility of flap-related complications during intense physical activity, impact, or situations involving rapid pressure changes. Without a flap, the cornea remains structurally stronger and more stable over the long term an important advantage for individuals who frequently encounter unpredictable conditions.
Beyond durability, PRK also provides excellent long-term visual outcomes while reducing the risk of injury in environments where dust, debris, sweat, or physical contact are common. These factors make PRK a reliable, low-risk option for professionals whose jobs require sharp, consistent vision and where even minor complications could affect performance or safety.
No Flap = No Risk of Flap Displacement: With PRK, there’s no corneal flap to worry about, which removes one of the major long-term risks associated with LASIK flap displacement. Because the LASIK flap remains permanently in place, it can still be vulnerable to trauma years later, especially in situations involving close-quarters combat, heavy physical contact, strikes to the face, debris from explosions, falls, or sudden high-force impacts. PRK avoids all these concerns by eliminating the flap entirely, making it a safer and more stable choice for people working in high-impact or unpredictable environments.
Approved by Most Military and Emergency Services: PRK is widely accepted and in many cases preferred by military and emergency service organisations because it avoids the long-term flap risks associated with LASIK. It is approved across major forces, including the US Army, Navy, Air Force and Marines, many branches of the UK armed forces, numerous police services worldwide, fire and rescue departments, aviation sectors and even specialised units. These organisations often choose PRK because it offers stable, long-term vision without the possibility of flap displacement during intense physical activity, impact or combat situations, whereas LASIK may be restricted or require extra clearance due to its permanent corneal flap.
Better Stability in High-Stress Environments: PRK offers excellent long-term stability because the laser reshapes the cornea directly, without creating a flap that could shift or be affected by external forces. This means there’s no risk of flap-related complications if your eye is struck, your head is jolted, you experience sudden pressure changes or you operate in extreme weather conditions. For soldiers, police officers, pilots, divers and tactical specialists who regularly face unpredictable physical and environmental stress this direct, flap-free approach makes PRK a safer and more reliable choice.
Lower Risk of Dry Eye for High-Demand Environments: PRK carries a lower risk of long-term dry eye because it doesn’t involve creating a corneal flap, which means fewer corneal nerves are affected during the procedure. With more nerve integrity preserved, the tear film tends to remain more stable, leading to less dryness overall an important advantage for people working long hours in wind, heat, air-conditioning or other harsh environments that naturally worsen dry eye symptoms. For pilots, officers, firefighters and other professionals who rely on consistent visual clarity in critical moments, this reduced risk of dryness can make a significant difference in performance and comfort.
Better for Dusty, Dirty and High-Debris Environments: PRK is particularly well suited to environments where dust, sand, smoke, debris and harsh weather are common because it eliminates the LASIK flap, which can potentially trap particles beneath the corneal surface. In military operations, construction-based rescues, riot-control scenarios and other high-debris settings, this flap-free approach reduces the risk of irritation, inflammation or complications caused by foreign material entering the eye. As a result, PRK offers safer, more reliable visual correction for professionals who routinely operate in challenging, debris-heavy environments.
Stronger for Close-Quarters Combat (CQC): PRK offers a safer option for anyone involved in close-quarters combat because it doesn’t rely on a corneal flap that could potentially loosen or shift under force. In professions that involve hand-to-hand combat, tactical takedowns, wrestling, riot control or crowd engagement, the eyes are at much higher risk of impact or sudden pressure. With PRK, the cornea heals as a single, intact surface, providing greater structural strength and reducing the chance of complications during high-contact scenarios.
Reduced Risk With Headgear and Protective Equipment: PRK significantly reduces the risk of complications for professionals who rely on helmets, night-vision goggles, tactical eyewear, respirators or dive masks. The pressure, suction or repeated friction from this equipment can, in rare cases, disturb a LASIK flap even years after surgery. Because PRK leaves no flap at all, it eliminates this concern entirely, making it a safer and more reliable vision-correction option for those who must regularly wear tight-fitting or high-pressure gear.
PRK vs LASIK for Military & Police: Quick Comparison
Choosing the right vision correction procedure is especially important for military personnel, law enforcement officers, and others in physically demanding or high-risk careers. While both PRK (Photorefractive Keratectomy) and LASIK (Laser-Assisted In Situ Keratomileusis) can effectively correct refractive errors, their differences in design, safety, and recovery make them suited to different needs. Understanding how each procedure performs under impact, exposure to debris, or high-pressure environments is crucial for anyone whose vision must remain reliable in critical situations. This guide breaks down the key differences between PRK and LASIK and explains why one may be more suitable than the other for military and police professionals.
Flap-Free Design: PRK (Photorefractive Keratectomy) is a flap-free laser procedure, which means the surgeon removes the thin surface layer of the cornea and reshapes the underlying tissue directly. In contrast, LASIK (Laser-Assisted In Situ Keratomileusis) involves creating a thin corneal flap that is lifted during the procedure and then replaced afterward. This flap remains part of the eye permanently, which can affect how the eye reacts to trauma or certain environmental factors.
Military Approval: PRK is widely approved by most military and police forces worldwide because its flap-free design reduces the risk of complications in high-intensity or physically demanding roles. Soldiers, pilots, or law enforcement officers who might experience impact or pressure on the eyes can safely undergo PRK. LASIK, although commonly performed, is still restricted for certain positions in the military or high-risk jobs due to concerns about the corneal flap being affected by trauma or sudden pressure.
Impact Safety: PRK offers superior safety in high-impact situations because there is no corneal flap that could be displaced. This makes it particularly suitable for careers or activities that involve contact, tactical manoeuvres, or sports where the eyes might face sudden force. LASIK, on the other hand, carries a slightly higher risk in such scenarios because the permanent flap can, in rare cases, become dislodged or shifted following trauma.
Dry Eye Risk: PRK generally results in a lower risk of long-term dry eye compared with LASIK. Because PRK does not involve cutting a corneal flap, it preserves more of the corneal nerves responsible for triggering tear production. LASIK disrupts more corneal nerves during flap creation, which can lead to higher chances of dry eye, sometimes requiring ongoing treatment with artificial tears or other therapies.
Recovery Time: PRK requires a longer recovery period than LASIK because the outer layer of the cornea (epithelium) needs time to heal and regenerate after the laser reshaping. Vision can be blurry for several days to weeks before fully stabilising. LASIK, in comparison, allows for rapid visual recovery, with many patients achieving functional vision within 24–48 hours, making it appealing for those who want minimal downtime.
Long-Term Stability: Both PRK and LASIK provide excellent long-term vision outcomes, but PRK has an advantage when it comes to flap-related complications. Because there is no flap, PRK patients never face the risk of flap displacement, wrinkles, or other issues that could arise years after surgery. LASIK results are stable and reliable, but the permanent flap remains a potential concern in the rare event of eye trauma.
High-Debris Environments (Dust, Sand, Smoke): PRK is particularly suitable for environments where the eyes may be exposed to dust, sand, or smoke. The absence of a flap ensures there is no risk of debris affecting the cornea in a way that could disturb surgical outcomes. LASIK patients need to take extra care in such settings, as even minor trauma or particles can affect the integrity of the corneal flap.
Why Military and Police Recruiters Prefer PRK
Military and police recruiters prioritise both the safety of their personnel and their operational readiness, making vision correction a critical consideration. While LASIK provides excellent visual outcomes, it involves creating a permanent corneal flap, which carries a small but lifelong risk of displacement. In high-stakes professions where personnel are exposed to sudden impacts, pressure changes, or physical confrontations, even this minimal risk can be a deciding factor. PRK, with its flap-free approach, removes this concern entirely, offering a safer long-term solution.
For soldiers, the risks are particularly pronounced, as they may encounter blasts, shockwaves, or debris during training or combat. Police officers and other law enforcement personnel frequently face physical contact during arrests or crowd-control situations, while firefighters operate in high-heat, high-smoke, and debris-filled environments. In all these scenarios, the structural integrity of the cornea is crucial, and avoiding a flap helps ensure that vision remains stable and reliable under extreme conditions.
Additionally, the use of tactical and protective gear can create pressure or suction on the face that could affect a LASIK flap. Helmets, night-vision goggles, respirators, dive masks, and other equipment are essential for operational effectiveness but introduce another variable that makes PRK more appealing. By reshaping the cornea directly without a flap, PRK aligns with the practical demands of these professions, ensuring personnel maintain optimal vision safely, without compromising performance or readiness.
Is PRK Suitable for All Military and Police Applicants?
How Recovery Works for High-Impact Professionals
PRK recovery generally takes longer than LASIK because the procedure involves removing the corneal epithelium, which needs several days to regenerate fully. During this initial healing period, vision may be blurry or fluctuate, and patients often experience mild discomfort or sensitivity to light. Protective contact lenses and prescribed eye drops are typically used to aid healing, reduce irritation, and prevent infection.
Despite the slower initial recovery, PRK provides exceptional long-term stability, making it particularly well suited for high-impact professionals. Once the cornea has fully healed, vision tends to remain consistently clear, and there’s no risk of flap-related complications even in environments involving physical contact, pressure changes, or debris. For military personnel, police officers, firefighters, and others in demanding roles, this trade-off between a longer recovery and enhanced safety and durability is often considered worthwhile.
Typical recovery milestones:
Day 1–3: During the first few days after PRK, it’s common to experience discomfort, eye watering, and increased light sensitivity. The cornea’s surface layer (epithelium) is healing, which can make the eyes feel scratchy or irritated. Most patients use prescribed eye drops and sometimes a bandage contact lens to manage discomfort and protect the eye.
Week 1: By the end of the first week, the cornea’s surface layer starts to heal significantly. The bandage contact lens is usually removed at this stage. While the discomfort diminishes, vision may still be blurry, and it’s important to continue using any prescribed medications and avoid rubbing the eyes.
Week 2–4: Between two and four weeks, vision begins to improve steadily, though fluctuations are common. Some days may feel clearer than others as the cornea continues to remodel and stabilise. Many patients start noticing functional vision suitable for daily activities during this period.
Month 3: Around three months after PRK, vision typically stabilises, and clarity improves significantly. Most patients can see comfortably without correction for most activities, though minor adjustments may still occur as healing continues.
Month 6: By six months, the final visual outcome is usually achieved. The cornea has fully healed, and most patients enjoy stable, clear vision without complications. Any residual blurriness or fluctuations are rare at this stage.
After PRK, the timeline for returning to training depends on the intensity of your activities and your surgeon’s guidance. Light desk-based duties can usually be resumed within 5–7 days, while light physical activity is typically safe after 2–3 weeks. More intense training, combat exercises, or high-impact tasks generally require 6–8 weeks, and full tactical deployment should only be attempted once your surgeon confirms it’s safe. The specific demands of your role play a key part in determining when you can safely return to full duties.
PRK in Real-Life High-Impact Scenarios
PRK offers significant advantages in high-impact careers where reliable vision is essential for safety and performance. By reshaping the cornea without creating a flap, it eliminates the risk of flap-related complications, providing long-term stability even under conditions involving physical impacts, rapid movements, debris, or sudden pressure changes. This makes PRK particularly suitable for professionals who regularly operate in unpredictable or hazardous environments.
In addition to structural durability, PRK helps reduce long-term dry eye, ensuring consistent visual clarity during long shifts or extreme conditions. For military personnel, police officers, firefighters, pilots, and other tactical specialists, these benefits mean their vision remains dependable when it matters most. The combination of flap-free safety, stable results, and protection against environmental challenges makes PRK a preferred choice for high-impact professions.
Active Military and Special Forces: PRK is preferred in military and special forces because it can tolerate extreme conditions such as high-impact combat, rapid motion, intense G-forces, harsh terrain, explosions, weapon recoil, and pressure from tactical gear. The flap-free design ensures the cornea remains intact under physical stress, whereas LASIK’s corneal flap poses a potential risk, making it less suitable for these roles.
Police and Armed Officers: Daily policing often involves unpredictable physical encounters, including arrests, grappling, and crowd control. PRK is advantageous for officers because it eliminates flap-related risks, providing stable vision even under pressure. LASIK, depending on the branch or recruitment requirements, may be restricted due to concerns over flap safety during physical activities.
Firefighters and Emergency Responders: Firefighters and emergency responders operate in extreme environments with heat, smoke, sudden movements, visibility changes, and pressure from equipment or protective gear. PRK is ideal for these conditions because the absence of a corneal flap reduces the risk of complications and ensures vision stability during high-stress situations. LASIK’s flap may be vulnerable in such demanding conditions.
Pilots (Military and Civilian): Pilots require precision vision, rapid adaptation to pressure changes, and high-contrast clarity during flight. PRK is often recommended because it avoids the flap-related issues that some aviation regulators consider risky. This ensures pilots maintain consistent visual performance even under high-altitude pressure shifts or rapid maneuvers.
Divers, Coastguard & Marine Roles: Underwater or maritime work exposes eyes to sudden pressure changes, masks, and tight-fitting equipment. PRK’s flap-free procedure is better suited for these roles because it eliminates the risk of flap displacement or complications caused by external pressure, whereas LASIK carries a small but notable risk in such environments.
Athletes and Combat Sports: Athletes in high-contact sports like boxing, MMA, judo, rugby, and wrestling often choose PRK for its flap-free safety. The procedure allows them to continue rigorous training and competition without worrying about flap-related injuries, which could be a concern with LASIK in high-impact sports.
Long-Term Performance: PRK Benefits for High-Impact Lifestyles
Once fully healed, PRK offers exceptional long-term stability, making it particularly well suited for individuals with high-impact, physically demanding lifestyles. Unlike LASIK, PRK does not involve a corneal flap, which means there are no long-term concerns about flap displacement or trauma. The cornea is permanently reshaped, providing a reliable and durable correction that maintains clarity even in challenging conditions.
Another major benefit of PRK is its reduced risk of trauma-related complications. Because the cornea remains a single, intact surface, professionals exposed to physical contact, sudden impacts, or high-pressure environments can perform with confidence, knowing their vision is less likely to be affected by accidents or environmental hazards. Night vision and visual clarity in low-light conditions also tend to remain stable, which is crucial for military, law enforcement, firefighting, and aviation roles.
PRK results are long-lasting, often remaining effective for decades, and adapt well to high-demand lifestyles that involve exposure to dust, debris, wind, or other environmental factors. For anyone whose career requires both precision and resilience under pressure, PRK provides a combination of safety, stability, and reliable performance that makes it an ideal choice for maintaining optimal vision throughout a demanding professional life.
Long-Term Vision Considerations After PRK
PRK offers long-lasting and stable vision correction, but it does not stop the natural aging process of the eyes. Over time, most people will experience presbyopia, which usually develops after the age of 40. This condition makes it more difficult to focus on close objects, such as reading or using a smartphone, due to the gradual loss of flexibility in the eye’s natural lens.
Later in life, typically between the ages of 50 and 60, many individuals may develop cataracts or other age-related changes in the natural lens. These changes can affect overall visual clarity and may require additional treatment, such as lens replacement surgery, to maintain optimal vision. While PRK corrects the cornea to improve sight, it does not prevent these age-related changes from occurring.
It’s important for anyone who has undergone PRK or any vision correction procedure to continue regular eye examinations. These check-ups help monitor the health of the eyes, detect early signs of age-related conditions, and ensure that any necessary interventions are timely. Maintaining ongoing care ensures that long-term visual health is preserved, even as natural changes occur with age.
PRK vs Contact Lenses for High-Impact Careers
For individuals in military, police, or other high-impact careers, contact lenses often pose significant challenges that can compromise both safety and performance. Dry or dusty environments, exposure to debris, and limited access to clean water make it difficult to maintain proper lens hygiene. In addition, contact lenses can easily become dislodged during physical activity or while wearing helmets and protective gear, and prolonged wear in demanding conditions can reduce oxygen supply to the eyes, increasing the risk of irritation or infection.
PRK offers a clear advantage in these situations by eliminating the need for contact lenses entirely. With flap-free, permanent corneal reshaping, PRK provides stable, reliable vision without the risks associated with lens use. This means professionals can focus on their duties without worrying about lens displacement, hygiene issues, or environmental hazards interfering with their sight.
For high-impact roles where clear, uninterrupted vision is critical, PRK ensures long-term performance and safety that contact lenses cannot consistently provide. It’s a practical and durable solution for anyone whose career involves unpredictable, physically demanding, or high-risk conditions.
Frequently Asked Questions:
- Is PRK safer than LASIK for military and police applicants?
Yes, PRK is generally considered safer for people entering military, police or other high-impact professions. The reason is simple: PRK does not involve creating a corneal flap. Since LASIK leaves behind a permanent flap that can potentially shift or dislodge if the eye is struck, military recruiters prefer a flap-free option. PRK eliminates this long-term risk, making it more compatible with environments where impact, sudden motion or trauma are possible. - Why do many armed forces still restrict LASIK?
LASIK is restricted in many branches because the corneal flap it creates never fully reattaches in the same way natural tissue does. Even years after the procedure, a sudden blow, rapid pressure change or forceful contact could affect the flap. Military organisations consider this a potential operational hazard, especially for infantry, special forces, pilots or anyone working in unpredictable combat or training settings. PRK avoids these limitations, so clearance is typically easier. - How long before I can return to full physical training after PRK?
The exact timeline varies, but most people return to lighter duties after the first week and resume more active training after two to three weeks. High-impact or combat-related training usually requires six to eight weeks of healing because the eyes need enough time for the regenerated surface layer to stabilise. Surgeons normally give personalised clearance depending on your recovery, your specific role and the physical demands of your training program. - Does PRK affect eligibility for special forces or aviation roles?
In most cases, PRK is either preferred or fully accepted for special forces, aviation units and high-risk tactical divisions. These roles demand exceptional visual stability under pressure, and PRK’s flap-free structure is ideal for those conditions. Many aviation authorities, including military branches, favour PRK because it eliminates the risk of flap-related displacement during rapid G-force changes or sudden pressure variations experienced in flight. - Will PRK make my eyes more sensitive in dusty or extreme environments?
During the early healing stages, the eyes may feel slightly more sensitive to wind, dust and dry air, but this is temporary. After full recovery, PRK-treated eyes generally handle extreme environments extremely well because there is no flap that can trap debris or shift due to environmental exposure. Many people working in sandy, smoky or high-debris areas find PRK more comfortable long-term than contact lenses or LASIK. - Can PRK improve night vision for tactical or low-light operations?
Many patients report clearer night vision after PRK once the healing phase is complete. During the first few weeks, it is normal to experience halos or glare, but these visual effects gradually fade. In the long run, PRK provides very stable night vision because the corneal surface remains intact without the interface layer created by LASIK. For activities that require night driving, night patrol, low-light combat drills or aviation tasks, PRK is often a strong choice. - Is the recovery from PRK too slow for someone preparing for recruitment?
The recovery timeline needs planning, but it is manageable for most applicants. PRK requires more downtime than LASIK, especially during the first week, when the protective bandage lens supports the healing process. However, once the surface heals, vision continues to improve steadily, and by three months most applicants achieve their full corrected clarity. If you are preparing for a recruitment deadline, scheduling PRK a few months in advance ensures that you meet the required visual standards on time. - Will PRK affect my ability to wear helmets, masks or tactical goggles?
PRK is actually better suited for people who need to wear pressure-based gear such as helmets, respirators, dive masks, ballistic goggles or night-vision devices. Because there is no flap on the cornea, there is no risk that suction or pressure from these devices will interfere with healing or long-term stability. After full recovery, you can wear protective gear without worrying about displacement or sensitivity that sometimes occurs with LASIK patients. - Is PRK a permanent solution for vision, or will I need more corrections later?
PRK permanently reshapes the cornea, so the improvements it provides are long-lasting. Many people enjoy stable vision for decades. However, PRK doesn’t stop natural ageing changes like presbyopia, which affects reading vision after age forty, or cataracts, which develop later in life. These changes are unrelated to laser eye surgery and happen even to people with naturally perfect eyesight. For distance vision, PRK is typically a lifelong solution. - Is PRK worth it compared to just wearing contact lenses during training?
For high-impact professions, PRK is usually far more practical than contact lenses. Contacts can dry out quickly in windy, dusty or hot environments and may dislodge during combat, water-based scenarios or rapid movement. They also require strict hygiene, which is difficult in field conditions. PRK eliminates these problems by providing stable, hands-free vision that does not depend on supplies, cleaning or replacement. This convenience is one reason many applicants choose PRK before entering rigorous training.
Final Thought: Choosing the Safest Vision Option for Demanding Roles
PRK continues to be one of the safest and most reliable vision correction options for people preparing for military, police, aviation or other high-impact careers. Its flap-free design offers long-term stability, making it well-suited to environments where sudden impact, pressure changes or tactical equipment can pose risks. Once healed, PRK provides dependable, low-maintenance vision that supports the demands of physically intense roles.
If you’re exploring whether PRK surgery in London could benefit you, get in touch with us at Eye Clinic London to schedule your consultation. Our team can guide you through your suitability, expected recovery timeline and the visual standards required for your chosen profession. With the right planning, PRK can help you move forward confidently toward your career goals.
References:
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- Saini, J.S., Saini, S. & Saini, R. (2004) ‘The safety and efficacy of photorefractive keratectomy after laser in situ keratomileusis’, Journal of Cataract & Refractive Surgery, 30(12), pp. 2689–2693. https://pubmed.ncbi.nlm.nih.gov/16128332/
- Wilson, S.E. (2016) ‘Corneal wound healing after PRK and LASIK’, Journal of Refractive Surgery, 32(5), pp. 354–365. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851218/
- Randleman, J.B. (2011) ‘Evaluation of corneal thickness and topography in refractive surgery’, Clinical Ophthalmology, 5, pp. 1549–1556. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3208119/
- Reinstein, D.Z., Gobbe, M. & Archer, T.J. (2020) ‘Corneal biomechanics in refractive surgery candidates’, Applied Sciences, 10(1), p. 123 https://www.mdpi.com/2076-3417/10/1/123