Your power of glass is not much ,this is considered to be normal, you are having problems due to dryness(computer Vision syndrome) due to overuse of smartphone, computer &watching TV for long time without break & blinking, you should use lubricating eye drops 5-6 times daily (Refresh liquigel) & try to have normal blinking while working on computer or smartphone, 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 computer use and power of glasses As your age is 23 yrs,so now your power will not increase