Most of the people are suffering from same problem who are working on computer or smartphone because they don't know how to work on computer for long duration without giving any trouble to your eyes, while working on computer number of blinking drastically goes down from around  24 per minute to around 8 per minute ,this is root of all problems. This causes dryness (computer vision  syndrome ).One should look away from screen after every 10 minute & after working for two hrs one should take rest for10 minutes.one should also use lubricating eye drops 5-6 times daily who works on computer continuously for many hours( Refresh liquigel)& try to have normal blinking while working on smartphone or computer, with regards

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 There is no relation between Mobile phone use and glasses power..As power is very less..You may avoid using Glasses