What is the cause of burning eyes when going to the sun? How to fix?

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Hello doctor. The doctor asked me, why do my eyes feel burning when I go to the sun? What medicine should be used to treat this condition? I hope you can give me some advice, thank you.
Ngo Quang Anh (1979)
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Hello!
When you go out, the hot sun will make the tears evaporate quickly, causing dry eyes, causing you to have a burning sensation. In such a case, you should use artificial tears to supplement those evaporated tears, and the recommended tears should use a preservative-free type that is better for your eyes.
If you still have any questions, you can visit the hospitals of Vinmec Health System to be consulted more carefully by qualified and experienced doctors. Wish you well!
Thank you for your question to Vinmec Health System. Best regards!
Answered by Specialist Doctor I Nguyen Thi Bich Nhi - Ophthalmologist - Department of Medical Examination & Internal Medicine - Vinmec Nha Trang International General Hospital.