OverviewDry eye is a condition where the eyes are unable to produce adequate tears as a lubricant for the eyes. This can cause a degree of discomfort to the patient and leads to disturbance of vision and eye infection.
Signs and SymptomsA stinging/ burning or scratchy sensation in your eyes, Stringy mucus in or around your eyes, Sensitivity to light, Eye redness, A sensation of having something in your eyes, Difficulty wearing contact lenses, Difficulty with nighttime driving, Blurred vision or eye fatigue
Common CausesDecreased tear production, Increased tear evaporation, Imbalance in tear composition
Risk FactorsBeing older than 50, Woman, Eating a diet that is low in vitamin A, Wearing contact lenses
Investigation TechniquesComprehensive eye examination, Measure your tear production using the Schirmer test, Determining the quality of your tears.
Treatment and PreventionTear-stimulating drugs, Eyedrops, Artificial tears, Lifestyle modifications