Hello Prolonged working on laptop/TV/mobile can cause computer vision syndrome. Computer vision syndrome is a condition resulting from focusing the eyes on a computer or other display device for, uninterrupted periods of time. Some symptoms of cvs include a. Headaches b blurred vision c. Neck pain d redness in the eyes e. Eye strain f dry eyes sometimes watery eyes these symptoms can be further aggravated by improper lighting conditions. Measures to reduce this include 1. Work under proper light. 2. Blink a lot. 3. Cold compresses 4. Use good lubricating eyedrop.

While working on computer number of blinking drastically goes down from around 24 per minute to around 8 per minute leading to severe dryness causing burning ,eyestrain, temporary blurring of vision,& headache.One should try to have normal blinking while working on computer ,should look away from screen after every 10 minute& should take rest for 10 minutes after every two hours. You should also use lubricating eye drops( Systane ultra) 5-6 times daily & genteal gel once at bed time.