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Writer's pictureMargo Murillo, DVM

Understanding Cherry Eyes in Dogs


picture of a normal dog eye
normal dog eye

As a veterinarian, I often encounter concerned dog owners who notice a sudden, red, swollen mass in their dog’s eye. This condition, commonly known as "cherry eye," can be alarming, but understanding its causes, symptoms, and treatment options will help you determine what you need to do.

dog eye with cherry eye
https://stvopets.com/common-eye-diseases/cherry-eye/

What is Cherry Eye?

Cherry eye refers to the prolapse of the third eyelid gland. Dogs have a third eyelid, known as the nictitating membrane, which houses a tear gland responsible for producing a significant portion of the tear film. When this gland prolapses, it appears as a red, fleshy mass in the corner of the dog’s eye, resembling a cherry—hence the name.


Cause of Cherry Eye

The exact cause of cherry eye is not entirely understood, but it is believed to be related to a weakness in the connective tissue that holds the gland in place. This condition is more common in certain breeds, specifically brachycephalic breeds (smooshed face breeds), suggesting a genetic predisposition.


Breeds prone to cherry eye include:

  • Bulldogs

  • Beagles

  • Cocker Spaniels

  • Lhasa Apsos

  • Shih Tzus

Why Veterinary Attention is Crucial

If you notice signs of cherry eye, it’s important to seek veterinary care. While cherry eye itself is not usually painful, leaving it untreated can lead to complications such as chronic irritation, infection, or dry eye due to impaired tear production. Early intervention can prevent these issues.


Treatment Options

There are several approaches to treating cherry eye, and the best option depends on the severity of the condition and the individual dog. Common treatments include:

  • Medical Management: In mild cases, anti-inflammatory medications and topical lubricants may help reduce swelling and discomfort. However, this is usually a temporary solution.

  • Surgical Correction: Surgery is often necessary to reposition the gland. There are various surgical techniques, but the goal is to secure the gland back in place while preserving its function. Surgical correction has a high success rate, but in some cases, the gland may prolapse again, requiring further treatment.


Cherry eye can be a concerning condition for dog owners, but with the right knowledge and prompt veterinary care, it is manageable. If you ever notice any signs of cherry eye or other eye-related issues in your dog, don’t hesitate to reach out for professional advice and treatment.


*AI used for article generation and content.

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