Whichever pupil is abnormally sized be that smaller or larger than the other is the one exhibiting anisocoria and there are quite a number of different health conditions and issues that can result in the development of anisocoria in dogs. Glaucoma or increased intraocular pressure can cause anisocoria. If the pupil is large due to iris atrophy the only way the dog can control the light is by squinting. The pupil size controls the amount of light that enters to eye. It does not hurt the dog but may cause the dog to react to bright sunlight. Although the photo is not close enough for me to see her pupils this condition is characterized by. Hi Kathleen From the photo of Merida it appears that she has Horners Syndrome. One of Dogs Eyes is Smaller Than the Other by. My husky has one pupil dilated and the other one isnt. Occasionally the anisocoria will resolve on its own. This is a symptom of a wide range of underlying causes including head trauma degeneration of the eye or exposure to chemicals. Anisocoria is a condition in which a dogs two pupils are unequal in size.
Your dog should be examined by a vet for a work up. There are many diseases that cause a dog to have unequal pupils including infections inflammation tumors trauma and medications. I have a dog mixed Pekingeseshi tzu one pupil is smaller than normal and his other pupil is bigger oval off centered to the side into the iris. I have anisicoria and have since I was a baby and it hasnt caused me any trouble. It can be a symptom of a neurological disorder or head traumabut it can also be something that appears at birth. There is a disorder called anisicoria where one pupil is larger than the other. Is this a new finding or has your dog always had this symptom. The condition or disease described in this medical article can affect both dogs and cats. With the proper detection of the diseases underlying cause treatment plans are available that should resolve the issue. This condition causes one of the dogs pupils to be smaller than the other. Anisocoria refers to an unequal pupil size. The allergy can cause inflammation of eyes.
Why Is One Pupil More Dilated Than The Other. Smear it on a white paper and look with a magnifying glass. My Dog Has A Brown Waxy Discharge From One Ear Only What Could This Be.Įar infection either bacterial or yeast. 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.Īnisocoria is a condition in which the pupils of the dogs eyes are different sizes. There may be several reasons for this but the main thing here is that it does not always bring the animal tangible inconvenience.Īnisocoria is a condition in which the pupils of the dogs eyes are different sizes. In most cases this is not an independent diagnosis but a symptom a statement of the state. The phenomenon dog has one pupil bigger than the other is called anisocoria. There are a number of reasons why pupils are unequal in size.Īnisocoria In Dogs When Pupil Sizes Are Unequal from If the pupil is large due to iris atrophy the only way the dog can control the light is by squinting.ĭog one pupil bigger than the other.
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