Ophthalmology Flashcards
1
Q
Exam findings acute angle closure glaucoma
A
Conj injection
Cloudy cornea
Fixed mid dilated pupil
IOP 40-70 (normal 10-20)
2
Q
Treatment glaucoma + class
A
Timolol - b blocker
Apraclonidine - a agonist
Acetazolamide - carbonic a hydrate inhibitor
Mannitol if refractory
Pilocarpine after less than 40 mmhg
3
Q
Symptoms and exam finding CRAO
A
Sudden painless vision loss
History of Amaurosis fugax
RAPD
Whitening/opacification of retina
cherry red spot macula
4
Q
Organisms for orbital cellulitis
A
- Staph aureus
- Streptococcus pneumoniae
5
Q
Ddx painful vision loss (3)
A
- Acute angle closure glaucoma
- Iritis
- Corneal Ulcer
- Temporal arteritis
- Optic neuritis
6
Q
Treatment goal acute angle closure glaucoma
A
Reduction in intraocular pressure of >25% or < 35mmHg
7
Q
Complication of alkali burns and how to diagnose
A
Globe perforation (liquefactive necrosis), sidel sign on fluorescein exam
8
Q
Ddx painless vision loss
A
CRAO, CRVO,
