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Shiba Inu With Glaucoma and Swelling Behind the Eye

by Vicky
(Elk Grove Village, IL, USA)

Reader Question
Before Thanksgiving (2010) went to bed on Tuesday night dog fine, woke up dog's eye completely shut, pried it open, white exposed pupil solid milky blue (she has brown eyes). Took to vet - readings (I think these are wrong, but vet was upset as it was 96 - only one eye). Got her on two types of pills, 3x a day, then lowered to twice. Result was Primary Glaucoma. She had an incident the other day resulting in another flare up, I immediately gave another dose which seem to help but not fix. She is going to the vet again after xmas to re-evaluate and the vet is aware of the secondary flare up. Mentioned we might have to try another medicine, or take her to a specialist. Okay whatever it takes, to keep her pain free (within reason - I cannot believe a blind dog is a happy dog, how fun is it not to chase a frisbee, or scamper after the butterflies? I believe they can accomodate yes, but be happy, no, cannot agree).

My question: Why is the swelling not going down? There is an obvious bulge in the skull region of the eye (behind it-pushing forward). The last reading we had for her eye was 30 (or there about). Could a tumor be a possible cause? Do tumors "appear" overnight.

She has confirmed: Hypothrodism, Severe Hip Dyplasia, and collaspsed
tracea, oh and Pancreatis too (loads of vomiting - 1 confirmed seziure in the past 2 years) - I've been told she also has an enlarged heart, but at the time no fluid was found and vet (different) said she might just have a normally big heart - hmpf, left that clinic shortly afterwards.

Should I even suggest to my current vet - eye tumor, or is he already looking. I am happy with his abilities and care - and I don't want to tell him his job - just curious.

Many kind thanks for your site and useful information -

Vicky


Answer from Our Team

Shiba Inus are one of the breeds most prone to primary glaucoma. A pressure of 30 is still above normal (roughly 10 to 25), Long-standing high pressure can stretch the eyeball so it looks larger or bulging, and this doesn't go down even when pressure improves; a bulge behind the eye is also worth investigating, as a mass or infection behind the eye can push it forward. It's reasonable to ask your vet whether imaging or a referral would help.

Because the other eye is at high risk, ask about preventive drops for it. If the affected eye can't see and stays painful, removing it, or placing a prosthesis, relieves pain for good, and most dogs adapt well.

See glaucoma in dogs for treatment options.

This is general information, not a diagnosis. Please follow your own vet's advice.

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