How to Treat a Cat with Anisocoria

Look for differently sized pupils., Notice any changes in the appearance of the eye., Monitor for any pain., Take the cat to the vet., Have the cat’s eyes tested., Get blood, imaging, and tissue tests., Expect no treatment for some conditions., Give...

13 Steps 4 min read Advanced

Step-by-Step Guide

  1. Step 1: Look for differently sized pupils.

    The most obvious symptom of anisocoria is differently sized pupils.

    Pupils should both get larger in low light and get smaller in bright light.

    The affected pupil may be smaller or larger than the normal pupil., An eye affected with anisocoria may undergo structural changes.

    The eye may end up in a different position.

    The shape or position of the eyelid opening may change.

    The color of the eye may also be altered.The eye may become bluish or cloudy in color.

    You may also notice changes in the cat’s vision. , The cat may show signs of eye pain.

    The cat may squint and rub at its face, or it may shy away when you try to touch its face.

    The eye may also become red, irritated, and inflamed.

    In some cases, the eye may have a discharge or pus.The cat may also become depressed or lethargic. , If you notice any of these symptoms in your cat, you should take it to the vet immediately.

    These symptoms may be connected to a life-threatening condition.

    Treatment is based on the underlying condition, so the vet will need to figure out what caused the anisocoria.The vet will do a physical exam and ask you about any recent trauma that your cat has undergone.

    You will need to give them a complete medical history and list of any medications your cat is taking.

    The vet will try to determine if the problem is due to a problem with the eye or a neurological problem.

    If they cannot figure out what is wrong, they may send the cat to a ophthalmologist. , The vet may start by checking your cat’s eyes and pupils.

    They may check the blinking reflexes, how well the cat follows an object, and how sensitive the pupils are to light.

    The vet may also test the production of tears.The vet may stain the cornea with a dye to look for ulcers, scratches, or trauma. , Next, the vet may do blood tests and blood counts to check for the Feline Leukemia Virus (FLV).

    The vet may also do a biopsy or conjunctival scraping and send it to the lab if they suspect cancer.The vet may do an ultrasound, x-ray, MRI, or CT scan.

    The cat may have its spinal fluid tested if neurological problems are suspected.

    Urinalysis may done if there is an infection. , Some underlying conditions that cause anisocoria are not life threatening.

    Because of this, it doesn’t require any treatments.

    For example, if your cat has hypoplasia or iris atrophy, the vet may not recommend any treatments., For some underlying conditions, antibiotics and anti-inflammatory medications will be prescribed by the vet.

    These drugs will be used to treat cats who develop anisocoria due to bacterial infections and inflammation.Cats who have an underlying condition of glaucoma will be prescribed medication to treat the condition.

    This should help fix the pupils, too.

    High blood pressure may also cause unequal pupils.

    It can be treated with medication, such as ACE inhibitors, beta-blockers, or calcium channel blockers. , Some medications can cause problems with the pupils.

    If your vet determines a medication that your cat is taking has caused the difference in pupil sizes, they will take the cat off the drug.

    When the medication has gotten out of the cat’s system, the anisocoria should clear up., If the vet finds cancerous tumors that are related to the unequal pupils, they may operate to remove the tumors.

    The cat will be put under anesthesia while the vet performs surgery.When removing cancerous tumors, the vet may also have the cat go through radiation or chemotherapy. , Some underlying conditions, like Horner’s Syndrome, cause the cat to have related eye symptoms, like irritation or redness.

    This can be treated with prescription eye drops to relieve the symptoms.
  2. Step 2: Notice any changes in the appearance of the eye.

  3. Step 3: Monitor for any pain.

  4. Step 4: Take the cat to the vet.

  5. Step 5: Have the cat’s eyes tested.

  6. Step 6: Get blood

  7. Step 7: imaging

  8. Step 8: and tissue tests.

  9. Step 9: Expect no treatment for some conditions.

  10. Step 10: Give the cat medication.

  11. Step 11: Stop the cat’s prior medication.

  12. Step 12: Agree to surgery for your cat if necessary.

  13. Step 13: Give the cat eye drops.

Detailed Guide

The most obvious symptom of anisocoria is differently sized pupils.

Pupils should both get larger in low light and get smaller in bright light.

The affected pupil may be smaller or larger than the normal pupil., An eye affected with anisocoria may undergo structural changes.

The eye may end up in a different position.

The shape or position of the eyelid opening may change.

The color of the eye may also be altered.The eye may become bluish or cloudy in color.

You may also notice changes in the cat’s vision. , The cat may show signs of eye pain.

The cat may squint and rub at its face, or it may shy away when you try to touch its face.

The eye may also become red, irritated, and inflamed.

In some cases, the eye may have a discharge or pus.The cat may also become depressed or lethargic. , If you notice any of these symptoms in your cat, you should take it to the vet immediately.

These symptoms may be connected to a life-threatening condition.

Treatment is based on the underlying condition, so the vet will need to figure out what caused the anisocoria.The vet will do a physical exam and ask you about any recent trauma that your cat has undergone.

You will need to give them a complete medical history and list of any medications your cat is taking.

The vet will try to determine if the problem is due to a problem with the eye or a neurological problem.

If they cannot figure out what is wrong, they may send the cat to a ophthalmologist. , The vet may start by checking your cat’s eyes and pupils.

They may check the blinking reflexes, how well the cat follows an object, and how sensitive the pupils are to light.

The vet may also test the production of tears.The vet may stain the cornea with a dye to look for ulcers, scratches, or trauma. , Next, the vet may do blood tests and blood counts to check for the Feline Leukemia Virus (FLV).

The vet may also do a biopsy or conjunctival scraping and send it to the lab if they suspect cancer.The vet may do an ultrasound, x-ray, MRI, or CT scan.

The cat may have its spinal fluid tested if neurological problems are suspected.

Urinalysis may done if there is an infection. , Some underlying conditions that cause anisocoria are not life threatening.

Because of this, it doesn’t require any treatments.

For example, if your cat has hypoplasia or iris atrophy, the vet may not recommend any treatments., For some underlying conditions, antibiotics and anti-inflammatory medications will be prescribed by the vet.

These drugs will be used to treat cats who develop anisocoria due to bacterial infections and inflammation.Cats who have an underlying condition of glaucoma will be prescribed medication to treat the condition.

This should help fix the pupils, too.

High blood pressure may also cause unequal pupils.

It can be treated with medication, such as ACE inhibitors, beta-blockers, or calcium channel blockers. , Some medications can cause problems with the pupils.

If your vet determines a medication that your cat is taking has caused the difference in pupil sizes, they will take the cat off the drug.

When the medication has gotten out of the cat’s system, the anisocoria should clear up., If the vet finds cancerous tumors that are related to the unequal pupils, they may operate to remove the tumors.

The cat will be put under anesthesia while the vet performs surgery.When removing cancerous tumors, the vet may also have the cat go through radiation or chemotherapy. , Some underlying conditions, like Horner’s Syndrome, cause the cat to have related eye symptoms, like irritation or redness.

This can be treated with prescription eye drops to relieve the symptoms.

About the Author

J

Jean Cruz

Experienced content creator specializing in practical skills guides and tutorials.

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