Opthalmology Flashcards
(19 cards)
What is the management of Anterior Uveitis?
1st line- topical steroids +cycloplegics
‘haloes around lights’ is a buzzword for?
glaucoma
‘blurring of the optic disc margins’ is a buzzword for?
papilloedema
‘starbursts around lights’ buzzword for?
cataracts
‘cotton wool spots’ is a buzzword for what condition?
non proliferatiive- diabetic retinopathy
-cotton wool is dry
What is the most common cause of blindness in the UK?
cataracts
‘dendritic ulcer’ on fluroscein is more commonly known as?
Herpes Simplex Virus Keratitis
‘crooky and wavy appearance’
ARMD- crooked and old
Age Related Macular Degernation
new onset of floaters and flashers?
Aunty carol >< retinal detachment
What is the diagnostic investigation for open and closed angle glaucoma?
diagnostic- goldman tonometry
What is the management of Dry ARMD?
(*Dreusen)
1st line- Vitamin A, C and E
What are the most common causes of bacterial keratitis?
b) most common in contact lens wearers
c) contaminated water
a) staph.a
b) pseudomonas- contact lenses
c) acanthamoebic keratitis
What is the most common cause(s) of viral keratitis?
Herpes simplex (same as dendritic ulcer)
What is the management of keratitis?
a) bacterial
b) viral
bacterial- olfloxacin
viral- topical anti-virals
Corneal Abrasion:
a) what is the 1st line investigation
b) what is the 1st line management
a) fluroscein staining- diagnostic
b) management- topical chlorophenicol
What are the mechanisms of the following drugs?
a) prostoglandin- lantaroplast
b) beta blockers
c) carbonic anhydrase
lantroplast- increases uveo-scleral outflow
beta blockers- reduces aqeous humor production
Carbonic Anhydrase inhibitor- reduces aqeous humor production
What are the main differentiating features between episcleritis and scleritis?
episcleritis- non painful
scleritis- very painful
Where is visual field loss in glaucoma and ARMD
-glaucoma- peripheraL visual field loss
-ARMD- central field loss- macular- cone cell degeneration
How do you interpret a cover test for squints
-one eye is covered, the non covered eye if normal should NOT move
-if it moves it is compensating (e.g moves inwards- exotropia)
