Wk 3 Glaucoma Flashcards
Patients with glaucoma lose their __ vision
peripheral
Glaucoma can go __ for a long time
unnoticeable
What is glaucoma?
Eye disorder that increases IOP
What is open-angle glaucoma?
Blockage of trabecular meshwork that slows the drainage of aqueous humor
Patients with what type of glaucoma are usually asymptomatic?
open-angle
Closed-angle glaucoma is a __ problem
structural
Where is the narrow angle in closed angle glaucoma?
Between cornea and iris
What happens in closed-angle glaucoma?
Narrow angle between cornea and iris prevent aqueous humor from being absorbed
Closed-angle glaucoma must be treated within 24 hours or…
Blindness may be permanent
How does closed-angle glaucoma present?
As a painful red eye
What is the treatment for chronic open-angle glaucoma?
Medications that decrease aqueous humor production, or cause mitosis/opening of trabecular meshwork
Why is treatment compliance an issue for open-angle glaucoma?
May need to do eyedrops QID for an asymptomatic disease
What happens if medications do not work for open-angle glaucoma? what’s next?
Argon laser trabeculoplasty (ALT)
Where is an ALT done?
Outpatient setting
What type of anesthetic is used in an ALT?
Topical