Lagophthalmos is an inability to fully close the eyelids and protect the cornea from drying and trauma. It may result from extremely shallow orbits, a common condition in breeds with short, broad, flattened heads (brachycephalic breeds, such as Bulldogs and Pugs, for example).

In summary, brachycephalic dogs often display ocular surface disease that can be correlated with their breed-related oculofacial conformation of elongated eyelids, medial canthal entropion, and caruncular trichiasis. Surgical correction of the adnexal problems may help alleviate some of the clinical problems.

Veterinarians confronted by an unsymmetrical appearance of the globe may have difficulties determining whether they are being confronted by a case of proptosis (an eye that is protruding outside the orbit, usually due to trauma), exophthalmos (an eye that is pushed forward relative to its normal position, but is still in the orbit) or buphthalmo...

1. Lagophthalmos. Lagophthalmos is the inability to completely close the eyelids (Figure 1). Impaired lid closure in brachycephalic dogs is attributed in part to their shallow bony orbits, resulting in exophthalmos.

If corneal ulceration has developed, the eye will be painful and your dog may paw or rub it. With lagophthalmos, you may notice that your dog's eyes do not close completely when s/he is asleep. Your veterinarian may do a fluoroscein dye test to check for corneal ulceration.

2024年11月15日 · Overview: Lagophthalmos is a condition where the dog is unable to fully close its eyelids. This leads to exposure and drying of the cornea, increasing the risk of infection and ulceration. Lagophthalmos is common in brachycephalic breeds (e.g., Bulldogs, Pugs) and is often managed with surgical intervention to help the dog close its eyes fully.

Lagophthalmos is an inability to fully close the eyelids and protect the cornea from drying and from trauma. It may result from extremely shallow orbits (in brachycephalic breeds), exophthalmos due to a space-occupying orbital lesion, or facial nerve paralysis. Corneal scarring, pigmentation, and ulceration usually result.

2022年12月31日 · The most commonly described disorder related to blinking in brachycephalic dogs is lagophthalmos (i.e., incomplete closure of the eyelids owing to breed-related anatomical anomalies discussed in the previous section). 3, 15 A study showed that lagophthalmos was present in 82% of the eyes of Shih Tzus, with an estimated degree of incomplete ...

Lagophthalmos. The inability to blink may result in exposure keratitis. Facial nerve dysfunction (idiopathic, traumatic—following bulla osteotomy) are common causes. Temporary lagophthalmos (facial neuropraxia) after total ear canal ablation and bulla osteotomy surgery is common.

Lagophthalmos is an incomplete or abnormal closure of the eyelids or a type of physiological constitution resulting in trauma causing the cornea to dry out. This may result from orbits that are extremely shallow to hold the eye, a common condition in breeds with flatter faces (brachycephalic breeds, such as Bulldogs and Pugs).