It could be due to dry eyes as the tear film is not stable.
Instilling medications and following precautions are equally important. Precautions that are to be followed are:-
1.Avoid dust or any other cosmetic allergen, only mandatory work over screen, don’t allow sweat to enter eyes during exercises, wear specs if any
2.Don’t rub your eyes
3.Wash them only twice a day in clean running tap water
4.Cold compresses with ice in a clean handkerchief
5.Keep inclined angle between your eyes and screen, dont forget to blink, take rest for 20 sec after 20 minutes of work and avoid direct contact with air from fan blower AC etc.
Next Steps
Systane ultra eye drops four times a day
Genteal gel two times a day
Health Tips
Start practicing meditation, that would help you to control anxiety without medications for anxiety.