Glaucoma

Question 1

Glaucoma definition

Answer 1

Elevation of IOP incompatible with health of optic nerve and eye

Question 2

Glaucoma is usually secondary to

Answer 2

uveitis

Question 3

Aqueous humor is produced by

Answer 3

Epithelium of ciliary body

Question 4

Glaucoma CS (6)

Answer 4

1. Corneal edema
2. Buphthalmia
3. Corneal striae (Haab’s)-often branching
4. Dilated pupil
5. Vision loss
6. Obvious discomfort-swelling, epiphora, blepharospasm

Question 5

Normal IOP

Answer 5

17-28 mmHg

Question 6

IOP must be taken with Head

Answer 6

UP

Question 7

Glaucoma Chronic complications (6)

Answer 7

1. Vision loss
2. Buphthalmos
3. Recurrent ulcerations
4. Corneal neovascularization
5. Lens lux
6. Retinal and optic nerve atrophy

Question 8

Treatment goals (3)

Answer 8

1. ID and treat cause of outflow obstruction-if possible
2. Reduce IOP
3. Maintain vision

Question 9

Reduction of aqueous humor production (2)

Answer 9

1. Carbonic anydrase inhibitors

2. B-adrenergic agonists

Question 10

Surgical treatment options (2)

Answer 10

1. Cyclodestruction
   - cyclophotocoagulation/cryotherapy
2. Filtration gonioimplants

Question 11

Salvage procedures

Answer 11

1. Chemical ablation
   - intravitreal gent 25-100 mg
2. Intrascleral prosthesis
3. Enucleation