A Squinting Cat Needs an Eye Exam, Not Old Drops

If a cat is keeping one eye partly closed, rubbing it or developing cloudiness, arrange a prompt veterinary examination. Do not restart an old eye prescription because the problem looks familiar. The right treatment depends on what is happening in the eye now.

Cornell’s corneal-ulcer overview describes squinting, rubbing, discharge and light sensitivity among possible signs. An ulcer is damage to the eye's clear surface, but an owner cannot confirm that diagnosis from those signs or a photograph. Other eye problems can look similar.

Describe changes without trying to expose the eye

Note which eye is affected, when it looked normal and whether the cat is rubbing or avoiding light. If you already have a clear photograph, bring it. Do not force the lids apart, repeatedly shine a light into the eye or delay a call to obtain a better picture.

Tell the clinic about a recent scratch, outdoor encounter, chemical exposure or respiratory illness if any occurred. “I did not see an injury” is useful information; it does not rule out a problem. Include every eye product already applied, with its name and the time used.

Why a leftover bottle is the wrong shortcut

Cornell explains that an examination, including a dye test when appropriate, helps identify corneal damage. Treatment choices depend on the findings. An eye medicine prescribed for a previous episode or a different animal should not be assumed suitable this time.

Keep the bottle to show the team, but ask before using it. Do not substitute a human redness-relief drop or put a homemade wash into the eye. If something has splashed into it, call immediately for exposure-specific first-aid instructions rather than working through routine eye-care advice.

Protect the eye during the trip and follow-up

Ask how to prevent rubbing while arranging care. Avoid a struggle that presses on the face. Use safe transport and tell the clinic if the cat appears unable to see or the eye changes rapidly. Our sudden-vision-change guide covers that separate warning pattern.

At discharge, write each medicine's name, the affected eye, application instructions and recheck date on one sheet. Confirm what to do if the cat resists treatment or appears more uncomfortable. Do not stop follow-up simply because the eyelid opens more normally.

A painful eye deserves direct attention. A food change cannot show whether the surface has healed, and a familiar-looking symptom is not a reason to reuse a familiar-looking bottle.

Written by PARTNER Editorial Team for general education. Your veterinary team can advise on your pet’s individual health and feeding needs.