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
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.
Well you need to show for blurring of vision as it may be initial symptom of refractive error...you need to maintain proper distance of viewing tv or laptop....give rest to your eyes....it's better to consult an ophthalmologist... thank you