RLE and Dry Eye: Risks, Prevention and Treatment Options

If you are considering RLE, you may notice dryness, irritation or fluctuating vision after surgery. You may also experience burning, grittiness, redness or watering, although symptoms vary between people.

If you already have dry eye, you should have it managed before RLE. A healthier eye surface may help make your measurements more reliable and your recovery more comfortable.

What Is Dry Eye?

Dry eye occurs when your tear film becomes unstable, which can affect how comfortable and clearly you see. You may produce too few tears, or your tears may evaporate too quickly.

You may notice dryness, burning, grittiness or fluctuating vision. Understanding the type and severity of your dry eye can help your eye-care professional choose suitable treatment.

Can RLE Cause Dry-Eye Symptoms?

You may experience dry-eye symptoms after RLE, such as dryness, grittiness, irritation or fluctuating vision. Surgery, post-operative drops and temporary changes to your eye surface can affect your tear film during recovery.

You may also have mild dry eye before surgery without realising it. Having your eye surface checked before RLE can help identify and manage symptoms early.

Why Can Your Eyes Feel Dry After RLE?

Your eyes may feel dry after RLE because small corneal incisions may temporarily affect corneal nerves involved in sensation and tear-film regulation. Post-operative eye drops may also cause irritation in some people, particularly with frequent use or certain preservatives.

Screen use and reduced blinking can also contribute to dryness during recovery. You may therefore experience symptoms because of several factors rather than one single cause.

What Does Dry Eye After RLE Feel Like?

Your eyes may feel gritty, scratchy or as though something is trapped under your eyelid. You may also notice burning, redness, light sensitivity or tired eyes, particularly when reading or using screens.

Your vision may sometimes blur and clear after blinking, while watery eyes can also occur with an irritated tear film. If symptoms are severe, worsening or accompanied by pain or sudden vision changes, you should contact your surgical team.

Can Dry Eye Make Your Vision Fluctuate?

Yes. An unstable tear film can affect the quality of your vision, so you may notice that text looks clear one moment and slightly blurred the next. Blinking may temporarily improve your vision by spreading tears across your eye.

This can be more noticeable when you read or use screens for long periods. If your vision continues to fluctuate after RLE, you should tell your clinical team so they can check whether dry eye, healing or another issue is responsible.

Evidence Note

The 2025 TFOS DEWS III diagnostic guidance recommends combining symptoms with objective examination rather than relying on a single test. Assessment may include a symptom questionnaire together with measures of tear-film stability, ocular-surface staining, tear osmolarity and examination of the eyelids and meibomian glands.

This supports a personalised approach before RLE because two people with similar symptoms may have different underlying causes of dry eye. Identifying whether tear-film instability, eyelid problems, meibomian gland dysfunction or another ocular-surface issue is contributing can help your eye-care professional choose more appropriate management.

Who May Be More Likely to Experience Dry Eye?

You may be more likely to experience dry-eye symptoms after RLE if you already have dry eye, blepharitis or meibomian gland problems. Your age, hormonal changes, health conditions and some medicines can also affect your tear film.

These risk factors do not automatically mean RLE is unsuitable for you. Your surgeon may simply need to assess and manage your eye surface before surgery to support a more comfortable recovery.

Dry-Eye Risk Factors Around RLE

Risk factor Why it may matter around RLE
Existing dry eye An unstable tear film may already be causing discomfort or fluctuating vision and can affect the reliability of some pre-operative measurements.
Meibomian gland dysfunction Reduced or poor-quality oils from the eyelid glands can allow tears to evaporate more quickly and make dryness more noticeable.
Blepharitis Eyelid inflammation can contribute to an unstable tear film and may need to be managed before surgery.
Increasing age Dry-eye disease becomes more common with age, although age alone does not determine whether you will develop symptoms after RLE.
Hormonal influences Hormonal changes can affect tear production and the ocular surface in some people.
Certain medicines Some medications can contribute to dry-eye symptoms, so your clinical team should know what medicines you take.
Frequent screen use Concentrating on screens can reduce blinking and make tear evaporation and dryness more noticeable.
Dry or windy environments Air conditioning, heating, fans and wind can increase tear evaporation and aggravate existing symptoms.

Why Does Existing Dry Eye Matter Before RLE?

Existing dry eye can affect both your comfort and the accuracy of measurements taken before RLE. An unstable tear film may make some measurements less consistent, which can matter when your surgeon is planning your lens power.

You should tell your surgeon about burning, grittiness or frequent use of lubricating drops. Treating your dry eye first may help create a more stable eye surface before your final measurements.

Research Insight

Research in cataract and lens-surgery settings suggests that dry-eye disease can affect the repeatability and accuracy of measurements used to calculate intraocular lens power. A review of ocular biometry found that an unstable ocular surface can alter keratometry and other measurements, supporting the importance of identifying and managing dry eye before final lens calculations are made.

More recent evidence also emphasises ocular-surface optimisation before lens surgery, particularly when precise refractive results are important. Most of this research relates to cataract surgery rather than elective RLE specifically, but the same principle is relevant because both procedures depend on accurate measurements for intraocular lens selection.

How Is Dry Eye Assessed Before RLE?

Your assessment may include questions about your symptoms and an examination of your tear film, cornea, eyelids and meibomian glands. Your eye-care professional may also use tests to check tear stability and other features of your eye surface.

No single test gives the complete picture, so your symptoms and examination findings are considered together. If you have significant dry eye, your surgeon may recommend treatment before final measurements or RLE.

What Is Meibomian Gland Dysfunction?

Meibomian glands in your eyelids produce oils that help keep your tears from evaporating too quickly. If these glands become blocked or do not work properly, you may develop meibomian gland dysfunction (MGD) and dry-eye symptoms.

You may also have MGD alongside blepharitis or eyelid inflammation. Managing these problems before RLE can help support a more stable tear film, but your treatment should be based on your individual eye health and symptoms.

Can You Reduce the Risk of Dry Eye Before RLE?

You cannot completely prevent dry eye after RLE, but managing existing eye-surface problems before surgery may help. Your surgeon can assess your tear film and recommend treatment if needed.

  • Treat existing dry eye: Lubricating drops or other treatment may help stabilise your eye surface before surgery.
  • Manage eyelid problems: Blepharitis or meibomian gland dysfunction may need treatment before RLE.
  • Take regular screen breaks: Frequent blinking and breaks from screens can help reduce dryness and irritation.
  • Avoid drying environments: Wind, fans, heating and air conditioning can increase tear evaporation and worsen symptoms.

Preparing your eye surface before RLE may improve comfort and support more reliable pre-operative measurements. Follow the treatment plan recommended by your eye-care team before surgery.

Do Lubricating Eye Drops Help After RLE?

Lubricating eye drops, or artificial tears, may help relieve dryness, burning and irritation after RLE. They may also improve temporary blurred or fluctuating vision caused by an unstable tear film.

Preservative-free drops may be recommended if you need to use lubricants frequently. You should use products recommended by your clinical team and never replace prescribed post-operative medication without their advice.

What Role Do Your Eyelids Play in Dry Eye?

Your eyelids help spread tears across your eyes when you blink and distribute oils from your meibomian glands. If your eyelids are inflamed or these glands do not work properly, your tear film can become unstable.

Your eye-care professional may recommend eyelid care if you have blepharitis or meibomian gland dysfunction. After RLE, you should follow your clinical team’s advice before cleaning or treating the area around your eyes.

Can Screen Use Make Dry Eye Worse?

Long periods of screen use may make your dry-eye symptoms more noticeable because you may blink less often. You may then experience burning, tired eyes or fluctuating vision.

You can take regular screen breaks and remember to blink fully. After RLE, you should follow your surgeon’s advice about screen use and mention persistent symptoms at your follow-up.

Clinical Tip

If screen use makes your eyes feel dry or tired, take regular breaks and make a conscious effort to blink fully. NHS guidance identifies prolonged computer use without breaks as a factor that can contribute to dry eye and recommends taking regular breaks from screens.

After RLE, follow any specific restrictions or advice given by your surgical team rather than setting your own recovery schedule. If screen-related blur or discomfort remains troublesome despite breaks and recommended lubrication, mention it at your follow-up so your tear film and ocular surface can be reassessed.

Can Your Environment Affect Dry-Eye Symptoms?

Yes. Wind, air conditioning, fans, heating and low humidity can make your dry-eye symptoms worse by increasing tear evaporation. You may notice more dryness after spending several hours in a dry environment.

You can reduce discomfort by avoiding direct airflow towards your face and taking regular breaks. After RLE, you should also follow your surgeon’s advice about protecting your eyes outdoors during recovery.

What Treatments Are Available for Persistent Dry Eye?

If simple lubricating drops are not enough, your eye-care professional may recommend other treatments based on the cause and severity of your dry eye. Options may include eyelid care, prescription treatments or more intensive lubrication.

For some people, punctal plugs may also be considered to help retain tears on the eye surface. Your treatment should be tailored to your symptoms and examination findings rather than using the same approach for everyone.

UK Guidance Note

UK guidance supports treating dry eye according to its underlying cause rather than using the same treatment for everyone. The College of Optometrists updated its dry-eye clinical management guidance in August 2026 in line with TFOS DEWS III, recognising treatments that may include tear supplementation or conservation and specific management when eyelid or meibomian gland problems contribute to symptoms.

The NHS advises seeking assessment from an optician or GP if dry-eye symptoms continue despite self-care, with referral to an ophthalmologist where necessary. Artificial tears, gels or ointments may be recommended, while more persistent cases can require additional specialist treatment depending on the cause and severity.

How Long Can Dry-Eye Symptoms Last After RLE?

There is no fixed recovery time for dry eye after RLE. You may notice symptoms during the early recovery period as your eyes heal, while existing dry eye may take longer to settle.

Your symptoms can also fluctuate with screen use, poor sleep or dry environments. If ongoing dryness affects your vision or daily activities, you should tell your eye-care team so they can reassess you.

When Should You Contact Your Surgeon?

Mild dryness or irritation can occur during recovery after RLE, but you should contact your surgical team if symptoms are severe, worsening or affecting your vision. Significant pain, redness, unusual discharge or sudden vision loss also need prompt assessment.

New flashes, a sudden increase in floaters or a dark curtain or shadow in your vision are not typical dry-eye symptoms. You should follow your clinic’s urgent-care advice rather than trying to diagnose the problem yourself.

Myth vs Fact

Myth Fact
Dry eye after RLE should disappear within a fixed number of days. There is no single recovery timeframe that applies to everyone. Symptoms can vary according to your pre-existing eye surface, healing, medication, environment and other individual factors.
If your eyes water, they cannot be dry. Watery eyes can occur when the ocular surface is irritated. Dry-eye disease does not always mean that your eyes simply produce no tears; tear quality and stability also matter.
Dry eye only affects comfort and cannot affect vision. An unstable tear film can cause fluctuating or blurred vision, particularly during reading or screen use. Dry eye before lens surgery can also influence measurements used for IOL calculations.
Everyone with dry eye should use the same eye drops. Dry eye has different underlying causes and levels of severity. Treatment may involve lubricants, eyelid management, treatment of meibomian gland dysfunction or other options selected according to your examination findings.
Preservative-free drops are unnecessary. Preservative-free formulations may be considered when lubricating drops are needed frequently or where preservatives aggravate the ocular surface. The most appropriate product should be discussed with your eye-care professional.
Severe pain or sudden vision loss after RLE is probably just dry eye. Severe pain, sudden loss or significant change of vision, marked redness or other concerning symptoms need prompt assessment and should not automatically be attributed to dry eye.

Key Takeaways

  • Dry-eye symptoms after RLE can include burning, grittiness, redness, watering and fluctuating vision.
  • Existing dry eye, blepharitis and meibomian gland dysfunction can make ocular-surface problems more relevant before and after lens surgery.
  • An unstable tear film can affect the accuracy and repeatability of pre-operative measurements, which is why treating significant dry eye before final lens calculations may be important.
  • Dry-eye assessment should consider both your symptoms and objective eye-surface findings, rather than relying on one test alone.
  • Artificial tears may help with dryness and irritation, but treatment should be matched to the cause and severity of your symptoms.
  • Eyelid care may be useful when blepharitis or meibomian gland dysfunction contributes to an unstable tear film.
  • Regular screen breaks, full blinking and avoiding direct airflow from fans or air conditioning may help reduce symptoms.
  • Do not replace, stop or alter your prescribed post-operative eye drops without advice from your surgical team.
  • Persistent dry eye should be reassessed if it continues to affect your comfort, vision or daily activities.
  • Severe pain, sudden vision changes, marked redness or other unusual symptoms require prompt medical assessment rather than assuming that dry eye is responsible.

Frequently Asked Questions

  1. Can RLE cause dry eye?
    Yes, you may experience dryness, grittiness, irritation or fluctuating vision after RLE. These symptoms can be related to temporary changes to the eye surface, small corneal incisions and post-operative eye drops.
  2. What does dry eye feel like after RLE?
    You may notice burning, grittiness, scratchiness, redness, light sensitivity or tired eyes. Your vision may also fluctuate and sometimes become clearer after blinking.
  3. Why is it important to treat dry eye before RLE?
    Treating existing dry eye may help make your eye surface more stable before surgery. This may improve the reliability of your pre-operative measurements and support a more comfortable recovery.
  4. Who is more likely to develop dry eye after RLE?
    You may have a higher risk if you already have dry eye, blepharitis or meibomian gland dysfunction. Your age, hormonal changes and some medicines can also affect your tear film.
  5. Can lubricating eye drops help with dry eye after RLE?
    Yes, artificial tears may help relieve dryness, burning and irritation after RLE. Your eye-care team may recommend preservative-free drops if you need to use them frequently.
  6. Can screen use make dry eye worse after RLE?
    Yes. You may blink less often when looking at screens for long periods, which can increase tear evaporation and make dryness or fluctuating vision more noticeable.
  7. How long does dry eye last after RLE?
    There is no fixed recovery time. You may experience symptoms during the early recovery period, while existing dry eye or other tear-film problems may take longer to settle.
  8. Can meibomian gland dysfunction affect your recovery from RLE?
    Yes. Meibomian glands produce oils that help prevent your tears from evaporating too quickly. If these glands are blocked or not working properly, your dry-eye symptoms may be more noticeable.
  9. What treatments are available if dry eye continues after RLE?
    Treatment depends on the cause and severity of your symptoms. Your eye-care professional may recommend lubricating drops, eyelid care, prescription treatments or, in some cases, punctal plugs.
  10. When should you contact your surgeon about dry eye after RLE?
    You should contact your surgical team if your symptoms are severe, worsening or affecting your vision. Significant pain, marked redness, unusual discharge or sudden vision loss needs prompt assessment.

Final Thoughts: RLE and Dry Eye

Dry-eye symptoms can occur after RLE, particularly while your eyes are healing and your tear film settles. If you already have dry eye, assessing and treating it before surgery may help create a more stable eye surface, support more reliable measurements and make your recovery more comfortable.

If you’re considering refractive lens exchange treatment in London and want to understand whether RLE could be suitable for your eyes and visual needs, you can get in touch with Eye Clinic London to arrange a consultation.

References:

  1. Wolffsohn, J.S. et al. (2025) ‘TFOS DEWS III: Diagnostic Methodology’, American Journal of Ophthalmology, 279, pp. 387–450. Available at: https://www.sciencedirect.com/science/article/pii/S0002939425002752
  2. Kawahara, A. (2024) ‘Management of dry eye disease for intraocular lens power calculation in cataract surgery: a systematic review’, Bioengineering, 11(6), 597. Available at: https://www.mdpi.com/2306-5354/11/6/597
  3. Venkateswaran, N., Luna, R.D. and Gupta, P.K. (2022) ‘Ocular surface optimization before cataract surgery’, Saudi Journal of Ophthalmology, 36(2), pp. 142–148. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC9535908/
  4. Giannaccare, G., Barabino, S., Di Zazzo, A. and Villani, E. (2024) ‘Preventing and managing iatrogenic dry eye disease during the entire surgical pathway: a study focusing on patients undergoing cataract surgery’, Journal of Clinical Medicine, 13(3), 748. Available at: https://pubmed.ncbi.nlm.nih.gov/38337442/
  5. Mehra, D. and Galor, A. (2020) ‘Digital screen use and dry eye: a review’, Asia-Pacific Journal of Ophthalmology, 9(6), pp. 491–497. Available at: https://pubmed.ncbi.nlm.nih.gov/33181547/