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Proptosis (Prolapse of the Eyeball) in Dogs

Occurrence: rarer
Location of illness: Head/Neck

Author: Dr. med. vet. Gisa Löwe | Last modified: 06.11.2025

Proptosis, also known as prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. of the eyeball, is a condition in which a dog’s eyeball protrudes from its normal position in the skull. This can lead to damage to the eye and surrounding tissue and often requires immediate veterinary care.

The most important facts at a glance

Proptosis is a serious condition in dogs in which the eyeball has prolapsed from the eye socket. Dogs with a flat facial anatomyAnatomy is the scientific study of the structure of living things. It deals with the construction and organization of organisms, including their systems, organs, and tissues. such as pugs or French bulldogs are particularly at risk because their eye sockets are less deep. The most common cause is physical traumaA trauma refers to a physical injury or damage caused by external force. Traumas can range from simple cuts to severe multiple injuries., such as accidents or fights with other animals. Increased pressure in the head area, such as from tumors, can also triggerA trigger is a stimulus that elicits a specific reaction or state. In veterinary medicine, this can refer to emotional responses, such as fear or aggression, or medical conditions, such as seizures in dogs and cats. proptosis. Symptoms include a partially or completely prolapsed eyeball, bleeding, pain, and inability to close the eyelid, which can lead to corneal damage. The diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is made by a physical examination and can be supplemented by imaging procedures. Rapid treatment is crucial and includes repositioning the eyeball, often under anesthesiaAnesthesia refers to the state of insensitivity to pain and can be partial (local anesthesia) or for the entire body (general anesthesia). It is used to keep patients pain-free during surgical procedures., and temporarily closing the eyelids. Anti-inflammatory drugsAnti-inflammatory drugs are medications that reduce inflammation. They can be divided into nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids and are used in dogs and cats to reduce Inflammatory conditions and Pain. and antibiotics are used to support healing. In severe cases, removal of the eye may be necessary. Preventive measures include minimizing the risk of physical injury, such as securing the dog’s environment and regular veterinary examinations. Research focuses on improved surgical techniques and the identification of genetic markers to minimize the risk of proptosis.

Causes

A dog’s eyeball normally sits well-protected in the bony eye socket. This structure provides protectionProtection refers to safeguarding against diseases or harm. In veterinary medicine, this can include protecting animals through vaccinations, the use of parasite control products, or providing a safe environment. from injury and keeps the eye in its position. In dogs with short snouts, such as pugs, Pekingese, or French Bulldogs, the eye sockets are shallower, which increases the risk of proptosis.

One of the most common causes of proptosis in dogs is physical traumaA trauma refers to a physical injury or damage caused by external force. Traumas can range from simple cuts to severe multiple injuries.. This can be caused by a car accident, a fall, or even a scuffle with another animal. Because the eye sockets are less deep in brachycephalic breeds, less force is required to dislocate the eyeball.

Another cause can be increased pressure in the head area, for example due to tumors or a sudden, sharp increase in blood pressure. In rare cases, proptosis can also occur due to severe allergic reactions or infections that lead to swelling and displacement of the eyeball.

Symptoms

Very common symptoms:

Common symptoms:

Globe Injury

The most obvious symptom of proptosis is the protrusion of the eyeball from the eye socket. This is often associated with swelling of the surrounding tissues and impairment of the eyelids, which may no longer be able to close the eye.

Dogs with proptosis may also show signs of pain, such as whining, rubbing the affected eye with their paw, or general restlessness. There may be bleeding or conjunctival hyperemiaHyperemia refers to an increased blood volume in a body area, often as a reaction to inflammation or as a result of improved blood circulation. It can lead to redness and a feeling of warmth in the affected area., and the eye itself may appear dry or damaged.

In the case of nerve damage, there may also be a loss of vision. This can manifest as an altered reaction of the affected eye to light or a lack of pupillary response. In severe cases, the eye may completely lose its function.

Diagnosis

The diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. of proptosis is usually made by a physical examination by a veterinarian. The obvious prolapse of the eyeball is usually enough to make a presumptive diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients.. The veterinarian will also assess the severity of the injury, including possible damage to the cornea and surrounding tissues.

For further evaluation, the veterinarian may use special instruments to measure intraocular pressure and check the condition of the retinaThe retina is the light-sensitive layer at the back of the eye that captures visual information and transmits it to the brain via the optic nerve. Retinal diseases can lead to vision loss in dogs and cats.. These examinations help to determine the extent of the damage and plan the best course of action for treatment.

In some cases, imaging procedures such as X-rays or an ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow. examination may be necessary to rule out other injuries or underlying causes such as tumors.

Therapy

Treatment for proptosis should be given as quickly as possible to maximize the chances of successful recovery of the eye and its function. The first measure is often to carefully reposition the eyeball back into the eye socket. This is usually done under anesthesiaAnesthesia refers to the state of insensitivity to pain and can be partial (local anesthesia) or for the entire body (general anesthesia). It is used to keep patients pain-free during surgical procedures. to avoid pain and allow the veterinarian to work precisely.

After the eye has been repositioned, it may be necessary to temporarily close the eyelids (tarsorrhaphy) to protect the eye and support healing. In addition, anti-inflammatory drugsAnti-inflammatory drugs are medications that reduce inflammation. They can be divided into nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids and are used in dogs and cats to reduce Inflammatory conditions and Pain. and antibiotics can be administered to reduce swelling and prevent infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease..

Treatment may also include the use of eye ointments or drops to keep the eye moist and support corneal healing. In severe cases where the eye cannot be saved, surgical removal of the eye may be necessary.

Prognosis and follow-up care

The prognosis for dogs with proptosis depends on the severity of the injury and the speed of treatment. With timely and appropriate treatment, many dogs can partially or fully regain their eyesight, especially if the optic nerveThe optic nerve is the nerve that connects the retina of the eye to the brain and transmits visual information. Diseases or damage to the optic nerve in dogs and cats can lead to vision loss or blindness. has not been damaged.

However, there is always a risk of permanent damage, including blindness or loss of the eye, especially in severe cases or if treatment is delayed. Even with successful treatment, scar tissue formation or other permanent changes to the eye may remain.

Long-term follow-up and regular veterinary monitoring are important to ensure the health of the eye and prevent complications. In some cases, permanent medication or special care may be required.

Prevention

The preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. of proptosis begins with minimizing the risk of physical traumaA trauma refers to a physical injury or damage caused by external force. Traumas can range from simple cuts to severe multiple injuries.. This can be achieved by ensuring secured environments, such as fenced gardens and the use of seat belts when driving. Avoiding situations that could encourage aggressive confrontations with other animals is also important.

Special care should be taken with dogs at increased risk, such as brachycephalic breeds. Regular veterinary examinations can help to identify and address potential risk factors early on. In some cases, it may be useful to consider preventive measures such as wearing protective goggles during certain activities.

A healthy diet and regular exercise can also help to improve the dog’s general health and reduce the risk of conditions that could lead to proptosis. It is important to address the needs and specificities of the breed in question in order to ensure the best possible precautionary measures.

Outlook on current research

Proptosis, or prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. of the eyeball, is a serious condition in dogs that requires immediate veterinary care. This condition is common in dogs with a flat facial anatomyAnatomy is the scientific study of the structure of living things. It deals with the construction and organization of organisms, including their systems, organs, and tissues., such as pugs or bulldogs, because their eye sockets are shallower and wider, leading to a higher risk. Current research focuses on various aspects of proptosis, including improved surgical techniques to restore normal eye position, preventive measures, and the long-term effects on eye function.

A significant area of research is the development of more advanced surgical methods that improve healing and shorten recovery time. Researchers are currently investigating new materials for surgical procedures that allow for less invasiveInvasive describes medical procedures or pathogens that enter the body or penetrate tissue. In medicine, invasive procedures can range from minimally invasive techniques to open surgery. techniques and reduce the risk of complications. Work is also being done to optimize postoperativePostoperative refers to the time after a surgical operation. This phase includes recovery and the management of possible complications after the procedure. management in order to increase the success rate of the procedures and improve the quality of life of the affected dogs.

Another branch of research deals with geneticsGenetics is the science of genes, heredity, and the variation of organisms. It studies how genetic information is passed from generation to generation and how it influences the development, appearance, and behavior of living things. and preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring.. Scientists are trying to identify genetic markers that could make dogs more susceptible to proptosis. By identifying these markers, targeted breeding could be carried out in the future to minimize the risk of proptosis. In addition, research is being conducted on how regular eye examinations and educating pet owners can help to recognize the symptoms early and act quickly to reduce the severity of the condition.

The long-term consequences of proptosis are also the subject of intensive studies. Researchers are analyzing the effects on vision and general eye health after treatment. Research is being conducted into which factors contribute to a complete or partial loss of vision and how these can be avoided. Novel approaches in rehabilitation and post-operative care could help to further improve the visual function and quality of life of dogs with proptosis in the future.

In addition, the role of the environment and other external factors is being investigated. Researchers are analyzing how traumaA trauma refers to a physical injury or damage caused by external force. Traumas can range from simple cuts to severe multiple injuries. from accidents or fights can increase the risk of proptosis and what measures can be taken to prevent such incidents. These studies could lead to new guidelines for animal husbandry and care that minimize the risk of eye prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse..

Research into proptosis in dogs is dynamic and aims to deepen the understanding of this condition and improve treatment options. The insights gained could benefit not only dogs but also other pets with similar anatomical features, which underscores the importance of this research.

Frequently asked questions (FAQs)

What is Proptosis in Dogs? Proptosis is the prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. or protrusion of the eyeball from the eye socket. It is a serious medical problem that commonly occurs in dog breeds with flat faces and requires immediate veterinary treatment.
What causes Proptosis? Proptosis can be caused by traumaA trauma refers to a physical injury or damage caused by external force. Traumas can range from simple cuts to severe multiple injuries., such as a blow to the head or a fight. Certain breeds are more susceptible due to their anatomyAnatomy is the scientific study of the structure of living things. It deals with the construction and organization of organisms, including their systems, organs, and tissues., and in rare cases, diseases or tumors can also be the triggerA trigger is a stimulus that elicits a specific reaction or state. In veterinary medicine, this can refer to emotional responses, such as fear or aggression, or medical conditions, such as seizures in dogs and cats..
How is Proptosis diagnosed in dogs? The diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is usually made by a physical examination by a veterinarian. The prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. of the eyeball is often obvious, and the veterinarian will carefully examine the condition of the eye and surrounding structures.
How is Proptosis treated? Treatment usually requires surgical intervention to return the eyeball to the eye socket. Depending on the severity, this can range from a simple reposition to more complex procedures. PostoperativePostoperative refers to the time after a surgical operation. This phase includes recovery and the management of possible complications after the procedure. care is crucial for the success of the treatment.
Can dogs see normally again after Proptosis? This depends on the severity of the proptosis and the damage sustained. Some dogs may fully regain their vision, while others may have permanent visual disturbances, especially if the optic nerveThe optic nerve is the nerve that connects the retina of the eye to the brain and transmits visual information. Diseases or damage to the optic nerve in dogs and cats can lead to vision loss or blindness. or blood supply to the eye has been affected.
Which breeds are most affected by Proptosis? Dogs with flat faces, such as pugs, bulldogs, and Shih Tzus, are most at risk due to their anatomical features. The flat eye sockets and protruding eyes of these breeds make them more prone to proptosis.
Are there ways to prevent Proptosis in dogs? While there is no guaranteed method to prevent proptosis, pet owners can minimize the risk by handling them carefully and avoiding situations that could lead to head injuries. Regular veterinary examinations are also important to detect early signs of eye diseases.
How quickly should a dog with Proptosis be treated? Proptosis is an emergency that requires immediate veterinary attention. A quick intervention can reduce the risk of complications and increase the chances of a full recovery.
What are the long-term effects of Proptosis on dogs? Long-term effects can include visual disturbances, chronicChronic refers to a condition or disease that is long-lasting or permanent. Chronic diseases often develop slowly and can lead to persistent or recurring health problems over time. ocular inflammation, or even loss of the eye if the proptosis is not treated in time. The quality of life can be significantly affected if permanent eye damage occurs.
Is Proptosis painful in dogs? Yes, Proptosis is often associated with pain. The prolapseProlapse refers to the falling out or protrusion of an organ or part of it from its normal position, often through an opening. In animals, this can include, for example, a rectal mucosal prolapse or a vaginal prolapse. of the eyeball can cause significant discomfort, and rapid medical intervention is necessary to relieve the pain and prevent further damage.