Your tears contain proteins, lipids, electrolytes and other biological molecules that can provide information about the ocular surface. Selected tear-based measurements are already used in some dry-eye assessments, while researchers are investigating much broader biomarker panels for conditions affecting the cornea, retina and optic nerve. Most advanced applications remain in the research or validation stage and should not replace a comprehensive eye examination, imaging or established screening. In the future, validated tear tests may add molecular information to your symptoms

Tear biomarker testing can help identify certain biological changes in your eyes, such as inflammation or changes in tear composition. However, the accuracy of the result depends on the specific biomarker being measured, the condition being assessed and how the tear sample is collected and analysed. A tear biomarker result should not usually be considered a diagnosis on its own. Your clinician will interpret the findings alongside your symptoms, medical history and eye examination to understand what the results mean

Tears contain proteins, lipids, enzymes, antibodies and inflammatory molecules that can change when the tear film or ocular surface is affected by disease. These substances are known as tear biomarkers and may provide additional information about inflammation, tear stability and surface damage. Tear osmolarity and MMP-9 testing may support the assessment of dry eye disease in some clinics. Most other tear biomarkers remain research tools and cannot currently diagnose a specific eye condition without your symptoms, medical history and a

Dry eye treatment does not always follow a straightforward path. You may try lubricating eye drops, eyelid care, prescription treatments, or lifestyle changes and find that some options provide only limited relief. This is because dry eye disease can develop from different underlying causes. Your symptoms may be linked to rapid tear evaporation, reduced tear production, inflammation, meibomian gland dysfunction, damage to the eye surface, changes in corneal nerve function, or a combination of these factors. Tear biomarkers may help

Dry eye disease may seem straightforward when your eyes feel gritty, sore, watery or tired, or when your vision occasionally becomes blurred. However, these symptoms can be caused by several different problems involving your tears, eyelids, oil glands, corneal nerves, or the surface of the eye. This is one reason why dry eye disease can be difficult to diagnose based on symptoms alone. You may have symptoms that are very similar to someone else's, yet the underlying cause can be

Your tears do much more than keep your eyes comfortable and lubricated. They help protect the surface of your eyes, support clear vision and maintain the health of the cornea and surrounding tissues. At the same time, your tears contain a range of naturally occurring biological substances that can provide valuable information about what is happening on the ocular surface. Tear biomarkers include proteins, inflammatory mediators, lipids, enzymes, metabolites, hormones and genetic material. Changes in some biomarkers may be associated

Technology is changing the way your eye care can be delivered, with ophthalmology increasingly using digital tools to improve access to specialist services. Teleophthalmology allows parts of your eye care to be delivered remotely using digital imaging, secure communication systems and specialist review. Some consultations may take place from home, while tests and images often need to be collected at a clinic, optometry practice or community healthcare setting. For many people, attending an eye clinic in person can be difficult

Eye surgery has changed significantly in recent years, with advances in technology and surgical techniques helping improve precision, reduce tissue disruption and support more personalised treatment approaches. Minimally invasive eye surgery focuses on reducing disruption to delicate eye tissues while improving surgical accuracy and recovery experiences for suitable patients. These developments are helping reshape how many eye conditions are treated. “Minimally invasive eye surgery” is a broad description rather than a single operation. It can refer to different techniques used

Digital technology is transforming the way healthcare is delivered, and eye care is increasingly benefiting from remote monitoring solutions. Traditionally, you may have needed to attend regular clinic appointments for vision checks, scans and assessments. However, advances in digital tools now allow certain aspects of your eye health to be monitored from home. Home monitoring does not replace professional eye examinations or specialist advice, but it can provide valuable information between appointments. This additional data can help your eye care

Early detection is becoming one of the biggest priorities in modern eye care. Many eye conditions can develop gradually without causing noticeable symptoms in the beginning. By the time some eye conditions cause noticeable changes in vision, damage may already have developed, which is why identifying problems earlier has become so important.  Eye care is increasingly moving towards earlier diagnosis, improved screening and more advanced imaging techniques. The aim is not only to treat conditions once they become more serious,