It seems that you are a regular computer user hence you are likely to develop computer vision syndrome.please put some lubricant eye drops eg teardrops 3to4times daily. and ocupol DX eye ointment Tobe rubbed twice daily on the lids.
Next Steps
also follow some precautions.eg follow 20.20.formula ie close your eyes for 20 seconds after every 20minutes.keep proper distance between screen and eyes.wash your eyes frequently with fresh water.dont sit facing ac or blowers.consume lot of fresh fruits and vegetables.