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Published on: 8/20/2026
Why do I have dry eye in one eye?
Dry eye in one eye occurs when a single eye doesn't produce enough tears or loses moisture too quickly. Common causes include blocked oil glands (meibomian gland dysfunction), localized irritation, incomplete eyelid closure, contact lens issues, or nerve sensitivity differences between eyes. Because symptoms in just one eye can point to a specific underlying issue rather than a general condition, identifying the cause is key to getting relief.
Since one-sided dry eye can stem from many different sources—some minor, some requiring medical attention—guessing isn't your best option. Take a free, instant, online symptom check to better understand what may be causing your symptoms and get clear guidance on your next steps. It only takes a few minutes and could save you time, discomfort, and unnecessary worry.
Reviewed for medical accuracy: 07/15/2026
Quick answers
Frequently Asked Questions
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Concerned about your symptoms?
Explanation
Our eyes need a special mix of water and oils to stay comfortable and clear. Tiny glands in our eyelids, called Meibomian glands, make oils that stop tears from drying up too fast. When one eye doesn't get enough oil, the tears can evaporate quickly, leaving that eye feeling dry.
Sometimes, this might happen in one eye because that eye has a minor problem, such as a blockage or a little injury, which can change how well it makes or holds its tears. Other times, things like dust or wind might affect one side more than the other. In some people, especially during changes like menopause, dry eye can also occur because the body makes fewer hormones that help keep the eye moist.
If you notice that only one of your eyes is dry a lot, it's a good idea to talk with an eye doctor. You can start by using our free symptom checker to better understand your symptoms and determine if you need medical attention. An eye doctor can check your eye, suggest good eye drops or warm compresses, and help you find the best ways to keep your eye comfortable and healthy.
(References)
Sullivan DA, Sullivan BD, Evans JE, Schirra F, Yamagami H, Liu M, Richards SM, Suzuki T, Schaumberg DA, Sullivan RM, Dana MR. Androgen deficiency, Meibomian gland dysfunction, and evaporative dry eye. Ann N Y Acad Sci. 2002 Jun;966:211-22. doi: 10.1111/j.1749-6632.2002.tb04217.x. PMID: 12114274.
Horwath-Winter J, Berghold A, Schmut O, Floegel I, Solhdju V, Bodner E, Schwantzer G, Haller-Schober EM. Evaluation of the clinical course of dry eye syndrome. Arch Ophthalmol. 2003 Oct;121(10):1364-8. doi: 10.1001/archopht.121.10.1364. PMID: 14557170.
Peck T, Olsakovsky L, Aggarwal S. Dry Eye Syndrome in Menopause and Perimenopausal Age Group. J Midlife Health. 2017 Apr-Jun;8(2):51-54. doi: 10.4103/jmh.JMH_41_17. PMID: 28706404; PMCID: PMC5496280.
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