Optho drugs

Question 1

Mydriatics

Answer 1

dilate pupil,
relax focus -> blurred vision

Question 2

Miotics

Answer 2

constrict pupil
increase depth of focus

Question 3

tropicamide

Answer 3

mydriatic

Question 4

examples of mydriatic

Answer 4

tropicamide
cyclopentolate
atropine

Question 5

atropine

Answer 5

cycloplegic

Question 6

cyclopentolate

Answer 6

clycloplegic

Question 7

relieve pain + photophobia in anterior uveitis?

Answer 7

cycloplegics

Question 8

acetazolamide

Answer 8

carbonic anhydrase inhibitor

Question 9

carbonic anhydrase inhibitor mechanism of action

Answer 9

decrease ICP
decrease aqueous production

Question 10

• increase scleral permeability to aqueous humour
• increase uveoscleral outflow

Answer 10

prostaglandin analogues

Question 11

latanoprost

Answer 11

prostaglandin analogue

Question 12

sympathomimetics mechanism of action

Answer 12

decrease aqueous production
increase uveoscleral outflow

Question 13

adrenaline / atropine eye drops

Answer 13

sympathomimetics

Question 14

tx for dendritic ulcer

Answer 14

topical aciclovir

Question 15

tx for CMV retinitis

Answer 15

oral valganciclovir

Question 16

tx for herpes-zoster opthalmicus

Answer 16

oral acyclovir

Question 17

distinguish between scleritis and episcleritis

Answer 17

phenylephrine drops

Question 18

phenylephrine mechanism of action

Answer 18

blanch arteries in episcleritis

Question 19

consticts pupil, increases trabecular outflow?

Answer 19

pilocarpine

Question 20

used in immediate management of acute ACG?

Answer 20

topical pilocarpine

Question 21

chalazion

Answer 21

cyst caused by meibomian gland obstruction - not an infection

Question 22

hordeolum

Answer 22

stye
infection of gland of eye lid

Question 23

Diagnosis?

Answer 23

Pterygium
benign - can encroach upon visual axis needed removal

Question 24

diagnosis?

Answer 24

pinguecula
yellow/white spot at limbus
may present with pterygium

Question 25

timolol

Answer 25

BB eye drop glaucoma

Question 26

dozolamide

Answer 26

carbonic anhydrase inhibitor

Question 27

brimonidine

Answer 27

sympathomimetics

Question 28

drug causing angle closure glaucoma

Answer 28

noradrenaline anticholinergic meds amitryptyline

Question 29

why are pilocarpine drops used in ACG?

Answer 29

causes pupil constriction + ciliary muscle contraction opens up pathway for aqueous flow

Question 30

IV mannitol

Answer 30

hyper osmotic agent

Question 31

mannitol mechanism of action

Answer 31

increases osmotic gradient between the blood and eye

Question 32

microbe causing bacterial keratitis

Answer 32

pseudomonas

Question 33

ACQ tx?

Answer 33

IV acetazolamide, tomolol (BB), pilocarpine -> iridotomy