Hello. This could be due to stress or excessive screen use Try A. Take proper rest B  reduce screen time C cold compresses help D. Use lubricating eyedrop Having said that it is provisional diagnosis. Consult local ophthalmologist if problem persist

Continuous headache can be related to (continous more than 4hours a day) screen use. R u using laptop or mobile for long time?

‌Few instructions: 1. Follow 20-20 rule. After every 20 minutes of any near work say laptops, mobile or reading take a break and focus for 20 seconds at a far away object at least 20 meters away. 2. Frequently blink your eyes while working, if not possible to remind yourself to blink then at least after 30 minutes of your work slowly close your eyes 10 times. 3. Adequate water intake at least 3-4 litres per day 4. Adequate sleep at least for 7-8 hours 5. Do not rub the eye 6. Use anti reflective coated glasses if you have spectacles 7. Cold compress to the eyes 3 times a day (Can dip clean cotton in refrigerator cold water and keep over closed eyes for 30 seconds)