Why is My Cat Squinting?

Cats can squint for many different reasons. Some are reasons are benign and do not require treatment, while others indicate an underlying medical problem that needs to be assessed and treated by a veterinarian. Some common causes of squinting in cats include:

1. Eye Infection (Conjunctivitis):

- Usually accompanied by discharge from the eyes (pus, tears, or crusting)

- Red, swollen, or watery eyes

- Frequently affects both eyes

2. Corneal Abrasions (Scratches):

- Caused by cuts or scratches from nails or plants

- Painful and can lead to further complications if not treated

3. Glaucoma (Increased Eye Pressure):

- A serious condition that can lead to blindness

- Commonly affects older cats and can cause squinting in one or both eyes

- Other signs include enlarged, cloudy, or bluish-gray corneas

4. Allergies (Environmental, Food, etc.):

- Itching, watery eyes with squinting

- Other signs may include sneezing and skin irritation

5. Foreign Objects (Dust, Pollen, Insects, etc.):

- Can cause irritation, leading to squinting and frequent pawing at the eye

6. Dental Problems:

- Painful dental conditions, such as abscesses or tooth infections, can sometimes lead to squinting

- Usually accompanied by other signs like difficulty eating, drooling, or bad breath

7. Blocked Tear Ducts:

- Can lead to a buildup of tears and excessive squinting

- Usually affects only one eye

8. Infections (Viral or Bacterial):

- Various infections can affect cats and lead to squinting, such as upper respiratory infections or feline herpesvirus

9. Eyelid Disorders:

- Conditions like entropion (inward-turning eyelids) or ectropion (outward-turning eyelids) can cause squinting and irritation

10. Cataracts:

- Clouding or opacity of the lens within the eye

- Commonly seen in older cats, causing progressive vision impairment

11. Trauma/ Injury:

- Squinting can occur as a response to trauma or injury around the eye or head area

If you notice your cat squinting consistently or if it's accompanied by other concerning signs, it's always best to consult with a veterinarian for proper diagnosis and treatment. Squinting can sometimes be a sign of an underlying medical issue that requires prompt attention.