You might be having severe dry eye , it might be due to gland dysfunction,
Use olopat 0.1% twice a day along with sodium hyaluronate eyedrops 4times a day .
Cyclosporine 0.1 % eye drops twice a day ( it takes 2 wks for time of onset ) till then use lots of lubricants
Next Steps
Avoid long usage of screens.
Health Tips
Give warm compression and massage the eye lids .
Take breaks in btw the screen time .