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Hello, I'm Dr Gary. I've been practicing veterinary medicine since 2007. I look forward to helping with your questions/ concerns.
I'm working on an answer for you. This will take a few minutes.
I don't have a problem with either of these vets. If we don't have a confirmed diagnosis of goniodysgenesis, then the periodic IOP checks would be the way to go. Once it starts elevating, then treatment with Cosopt drops can help lower the pressures.
Ideally I would have an ophthalmologist examine all of these dogs in the line and see if they confirm the diagnosis of goniodysgenesis. Once that has been diagnosed, preventative measures with Demecarium, latanoprost or Dorzolamide can potentially help. The information is not concrete, but some studies have shown a delay in time before glaucoma develops. Other studies have shown no change in development of glaucoma. It won't hurt anything, though.
Ultimately, glaucoma is typically an acute disease process in dogs and many times it's hard to catch until they have a rapid spike in IOP and clinical signs develop. When that happens, rapid diagnosis and potentially surgery to help drain the eye is the best option to preserve vision. Having a relationship with an ophthalmologist now is ideal so that getting in is easier if or when this develops.
I hope this helps, let me know if you have any other questions.
I'm at work so I can't take calls right now- I'm sorry.
You can continue correspondence here and I'll answer in between cases that I'm seeing.
Goniodysgenesis is diagnosed with gonioscopy. A specialized lens is used to look at the drainage angle between the cornea and iris. This is why an ophthalmologist is needed. General practice vets don't have this equipment.
You're very welcome. Happy to help.