What does it mean when a cat has anisocoria?
Anisocoria is a condition in which the pupils of the cat’s eyes are different sizes; in other words, one pupil is larger than the other. In some cases, the abnormal pupil may be the one that is smaller and in other cases the abnormal pupil may be the one that is larger. What causes anisocoria?
When to seek veterinary care for anisocoria?
“Anisocoria occurs suddenly, you should seek veterinary care immediately”. Anisocoria is a symptom and there can be several different causes, including: Corneal injury such as an ulcer. Disease or injury to the brain or to the nerves running to the affected eye.
Is it possible for anisocoria to be self resolving?
Physiologic anisocoria may be intermittent and even self-resolving. However, many cases are persistent. Congenital anomalies in the structure of the iris may contribute to abnormal pupillary sizes and shapes that present in childhood.
What happens to the Anisocoria in the dark?
Anisocoria is reduced or abolished in darkness as both pupils dilate. This is because the stimulus producing the anisocoria, light causing constriction of the normal pupil, is eliminated.
Anisocoria is a condition in which the pupils of the cat’s eyes are different sizes; in other words, one pupil is larger than the other. In some cases, the abnormal pupil may be the one that is smaller and in other cases the abnormal pupil may be the one that is larger. What causes anisocoria?
“Anisocoria occurs suddenly, you should seek veterinary care immediately”. Anisocoria is a symptom and there can be several different causes, including: Corneal injury such as an ulcer. Disease or injury to the brain or to the nerves running to the affected eye.
Physiologic anisocoria may be intermittent and even self-resolving. However, many cases are persistent. Congenital anomalies in the structure of the iris may contribute to abnormal pupillary sizes and shapes that present in childhood.
Is the degree of anisocoria always the same?
Light and near responses is intact, and the degree of anisocoria is typically equal in light and dark. Physiologic anisocoria may be intermittent and even self-resolving. However, many cases are persistent.
