What is the duration of redness and watering? Is there any pain?
This could be a viral conjunctivitis.
If associated with itching and eye rubbing, it could be allergic conjunctivitis.
If you have been working in front of a screen for very long hours, it could be digital eye strain.
Next Steps
Please do an online consultation with the ophthalmologist.
Health Tips
Please wash your face often with plain water. You may do cold compresses over the eyes. You can also use a lubricant eye drop like Refresh tears 2 hourly in the meantime.