Glaucoma Flashcards
Where does fluid drain
Iridocorneal angle
What is actively secreted by the non- pigmented ciliary epithelium
Carbonic anhydrase
Group of diseases, altered aqueous humor dynamics
Elevation of IOP incompatible with health of eye
Glaucoma
Primary types of glaucoma
Congenital
Open angle
Closed angle
Secondary glaucoma
Inflammatory
Mechanical/neoplastic
Hereditary disorder in the Beagle
Most common form in people
Primary open angle glaucoma
Ocular pain Mydriasis Corneal edema Episcleral injection Visual loss or disturbance
Acute glaucoma
Permanent vision loss Buphthalmia Permanent corneal edema Striate keratopathy Recurrent corneal ulceration Lens luxation Cataract formation
Chronic glaucoma
Normal canine and feline IOP
15-25mmHg
Normal equine IOP
23.3mmHg
Equine glaucomas
Mostly secondary to uveitis
Primary in Appaloosa
Maintain vision longer than dogs
Feline glaucoma
Secondary to uveitis
Siamese and Burmese get primary open angle glaucoma
Aqueous misdirection
Treatment of glaucoma
Treat primary cause
Lower IOP
Neuroprotection
B-blockers
Don’t lower IOP much
Combine with other drugs
Reduce production
Carbonic anhydrase inhibitors
Decreases production of aqueous humor
