Your symptoms are similar to that of computer vision syndrome. It is caused not only by computers but also due to other digital screens. Dryness of the eyes is one of the main symptoms.
Next Steps
Use Refresh Tears eye drops-1drop- 6times a day in both eyes
Do not look at the digital screen continuously for long hours
Take your eyes off the screen every 20 minutes, look at some distant object 20feet away for 20seconds
Health Tips
if symptoms persist, consult an ophthalmologist nearby