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What is Red Eye?

If you notice redness of the feline’s orbit, she might have experienced trauma to the eye, an allergy or irritant, a viral infection such as distemper, a bacterial infection, glaucoma, cherry eye or cancer. Red eye in cats could be a serious medical problem that could worsen over time, causing blindness and further destruction of the orbital structure.

Red eye in cats is a symptom of an underlying disease, ocular irritation, or injury to a feline’s eyes. A red coloration of one or both eyes is an indication that a feline is suffering from an unknown health condition that should be addressed by a licensed veterinary professional.

Red Eye Average Cost

From 355 quotes ranging from $200 - $500

Average Cost

$250

Symptoms of Red Eye in Cats

The rather obvious symptom of red eye in cats is, in fact, a red coloration of the eye. Depending on the source of the red eye condition, your feline may or may not experience the following additional associated symptoms: 

  • The whites of the eyes become reddened 
  • Swollen eyes
  • Swollen eyelids 
  • Eye discharge (clear, white, yellow or green in coloration) 
  • Tearing of the eyes
  • A protruded third eyelid (cherry eye)
  • Rubbing the eyes
  • Itchy eyes
  • Inability to open the eye
  • Loss of sight 
  • Sneezing
  • Watery eyes 
  • Coughing 
  • Painful eyes
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Causes of Red Eye in Cats

A feline’s eyes can become red for a number of reasons. Trauma, allergies, obstructions, structural changes of the eye, disease, viral infections, bacterial infections, and irritants can all cause the eye of a cat to become red. The most common causes of red eye in cat include: 

Trauma

  • Scratches
  • Bites
  • Pokes
  • Allergens
  • Pollen
  • Dust
  • Bee stings

Irritants

  • Cigarette smoke
  • Perfumes
  • Air fresheners 

Obstructions

  • Seedling
  • Grass seeds
  • Dirt 

Structural Changes

  • Entropion (eyelid protrudes inward) 
  • Ectropion (eyelid protrudes outward)
  • Distichiasis (abnormal eyelash growth)

Disease 

  • Cancer 
  • Autoimmune disease

Bacterial Infection

  • Chlamydia
  • Mycoplasma

Viral Infections

  • Feline herpesvirus type 1
  • Calicivirus
  • Feline immunodeficiency virus (FIV) 
  • Feline leukemia (FeLV)
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Diagnosis of Red Eye in Cats

It is highly important for pet owners to relay all the clinical signs and symptoms they noted at home as they bring the cat experiencing red eye to see the veterinarian. Since red eye in cats can be caused by a long list of potential causes, any information you can give the veterinarian to help create a diagnostic differential would be helpful. The doctor will begin by reviewing the cat’s medical record, playing close attention to past illnesses, medications, and vaccinations. He or she may ask to know about your cat’s living environment, including any possible allergens, irritants, or potential trauma tools in the feline’s surroundings. 

An Ophthalmic Exam

A physical exam of the eye will be the next step in the veterinarian’s diagnostic plan, as the examination will evaluate the eye and all the ocular structures. The animal doctor will likely use a tool called an ophthalmoscope, which is a light reflecting tool that will allow the vet to see the interior structures of the eye. 

Fluorescent Stain Test

An ophthalmic examination tool that uses blue light and orange-colored dye may be used to detect abnormalities within the eye. 

Schirmer Tear Test

An ophthalmic tests uses tear strips that are placed in the lower eyelid to evaluate a feline’s tear production levels. 

Tonometry

An ophthalmic test used to evaluate intraocular pressure of the eye. 

Lab Tests

The veterinarian may also collection a swab of cells or discharge from the eye for microscopic examination. The collected cells could reveal structural abnormalities or an infection from a bacteria. Blood work, a urinalysis and specialized testing for FeLV, or FIV will likely be a part of your cat’s differential diagnostic procedure. 

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Treatment of Red Eye in Cats

The treatment of red eye in cats depends on the condition that is causing your cat’s eye to turn a reddish color. If allergies or irritants are to blame for your cat’s red eye, the doctor may advise a few simple changes at home and prescribe an antihistamine. However, if the cause of your cat’s red eye is caused by a structural abnormality, foreign obstruction, trauma or growth, a surgical procedure may need to be completed to restore your feline’s eyes to their original state. Chemotherapy drugs and radiation therapy could also be a part of your cat’s treatment plan if cancer is the source of your cat’s red eyes. 

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Recovery of Red Eye in Cats

The prognosis for red eye in cats depends on the dominant cause of the ocular reddening in your cat. Your cat may need to wear an Elizabethan collar at home to prevent scratching the eyes and causing additional damage. The veterinarian may also ask that an air humidifier be placed in the home to remove irritants that may be affecting the feline.

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Red Eye Average Cost

From 355 quotes ranging from $200 - $500

Average Cost

$250

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Red Eye Questions and Advice from Veterinary Professionals

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bengal

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Thirteen Years

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Unknown severity

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6 found helpful

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Unknown severity

Has Symptoms

Red Eyelids

Hi, my 13 year old cat has had some skin irritation lately on her face and around her eyelids for the last few weeks. Her eyes are watery and she has been washing her eyes constantly. It seems to be getting worse. Also she has a red, raw spot on her paw that she is using to wash her face. She has been fighting with our 18 month old cat and I thought maybe he just scratched her face and it would heal, but now she has more skin irritation symptoms. Is there something I can do to help her at home until I can get her to a vet?

June 22, 2021

Owner

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Dr. Linda S. MVB MRCVS

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6 Recommendations

I'm sorry to hear this. Certainly, the sooner she sees a vet the better so we can get a diagnosis and prescribe medicine. At home, protect her face by using a buster collar. Clean the skin and eyes once daily with cotton wool and saline. Ensure she is up to date with a good quality parasite prevention.

June 22, 2021

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grey tabby cat

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Ten Weeks

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Unknown severity

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13 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Unknown severity

Has Symptoms

Runny Nose, Bloodshot Eyes, Runny Nose

we have now had our baby kitten for about a week. He started sneezing right away but then we noticed he had a runny nose and discharge from the nose. Now about 2 days ago his right inner white of his eye is now bloody looking. he still has an apatite and plays

Sept. 28, 2020

Owner

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Dr. Michele K. DVM

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13 Recommendations

Thank you for your question. It sounds like your kitten may be suffering from an upper respiratory infection, I am concerned that he is sneezing hard enough to rupture blood vessels in his eye. It would be best to have him seen by a veterinarian, as they can examine him and see what might be causing this problem. Once they know more, they will be able to help get medications so that he is healthy. I hope that all goes well for him!

Oct. 5, 2020

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Red Eye Average Cost

From 355 quotes ranging from $200 - $500

Average Cost

$250

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