Not The Best Pupil For Eye Care

Caller: “I need to make an appointment for my cat. Something is really wrong with his eyes!”

Me: “Could you explain to me what you’re seeing?”

Caller: “They keep changing sizes!”

Me: “Do you mean you see the eyelid coming over the eye, or…?”

Caller: “No! His eyes keep changing sizes! Sometimes the eye gets really big, and sometimes it gets really small.”

Me: “Wait, are you talking about the black part of the eye? Does the eye get skinny when it’s bright in the house or if your cat is in sunlight?”

Caller: “Yes!”

Me: “And does the eye get wide when it’s dark out?”

Caller: “Yes! That’s exactly it! I need to know how to fix it!”

Me: “The black part of the eye is called a pupil. It changes size based on how much light is coming into the eye. When it’s bright out, the pupil gets smaller, when it’s dark out, the pupil gets larger. If there’s sunlight in one eye and darkness in the other, one pupil will be small and one will be big.”

Caller: “So I can’t fix it?”

Me: “No, you can’t. There’s nothing wrong with the eye. In fact, your eyes do the same thing.”

Caller: “So… it can’t be fixed?”

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