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.

Most of the people are having same problems because most of them don't know how to work on computer  & watch tv for long time without giving discomfort to eyes. While working on computer or watching TV 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.You should also get your refraction done by ophalmologist & if Prescribed any glass,use antiglare glass.

It looks like you have eye sight problem and also it can be due to computer vision syndrome if you are a tech professional or spending a lot of time with computers and gadgets. Use eye drop refresh tears 4 times a day in both eyes for temporary relief but you need complete eye check up with Ophthalmologist