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What Is Cherry Eye (Third Eyelid Gland Prolapse)? Signs and Causes

Prof. Dr. Murat ŞaroğluUpdated on May 31, 2026

Cherry eye is a common eye problem that occurs when the third eyelid gland becomes displaced, presenting as a red, round swelling in the corner of the eye. It is seen more frequently in certain dog and cat breeds. Below you will find its signs and why it requires treatment.

What is cherry eye?

Cherry eye is the prolapse of the third eyelid gland from its normal position, forming a red, round swelling in the corner of the eye. This appearance is the most recognizable sign of the condition and is seen more frequently in certain dog and cat breeds.

Why does it matter?

Cherry eye is not merely a cosmetic problem; if untreated, it can also affect eye health. The displaced gland can over time lead to dry eye and chronic eye problems.

Treatment approach

Cherry eye can be brought under control with early evaluation and appropriate treatment. Early intervention helps prevent permanent dry eye and chronic problems.

This article is for informational purposes only and does not replace a veterinary examination. If you have any concern about your companion’s eyes, please consult a veterinary ophthalmologist.

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