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 Glasses and mobile or laptop use

Your problem is related  with dryness ,you are working on smartphone ,laptop &watching TV for long time without blinking Your eyeglass power is normal less than -3 D& you are not having problems due to Glass's,you should try to have normal blinking while working on computer & should use lubricating eye drops(Refresh liquigel) 4-5 times daily on regular basis to avoid dryness which is causing blurring of vision& burning, with regards

Working long hours on computers and smart phone can cause dry eyes.You can use lubricating eye drops 3-4 times a day.