this is known as cvs (computer vision syndrome ) cause -diminished blinking. normally a person blinks 15 to 20 times a minute but a person like you blinks 4to5 times a minute or even less and that gives rise to dryness which becomes more severe in access precaution --1..follow the rule 20..20 ie after every 20 minute close your eyes for 20 seconds 2..never face towards the account 3..keep your eyes moist by wiping with wet swan etc or wash your eyes frequently. look towards green objects in between. treatment --put refresh tears or just tears eye drops 3 to 4 times a day. please give feedback. thank you.