common conditions of the eye

Question 1

conjunctivitis is what kind of infection?

Answer 1

bacterial - crusty

viral - watery

Question 2

treatment for conjunctivitis

Answer 2

antibiotic eyedrops

Question 3

keratoplasty

Answer 3

cornea transplant

Question 4

how do you cure cataracts?

Answer 4

take out the pacified lens and put in a plastic one

Question 5

glaucoma is raised

Answer 5

intraocular pressure

Question 6

what is the TRIAD you look for in glaucoma?

Answer 6

raised IOP

visual field defects

optic disc changes (seen in opthalmoscopy)

Question 7

how do you treat glaucoma

Answer 7

eye drops to decrease IOP (beta blockers)

laser trabeculoplasty (allows vitreous to drain)

Question 8

what is open angle glaucoma?

Answer 8

the drainage through the trabecular meshwork is blocked

leads to gradual, painless build up of IOP

Question 9

what is closed angle glaucoma?

Answer 9

iris blocks the angle - so aqueous cant drain

Question 10

in closed angle glaucoma the increase in IOP is……..

Answer 10

sudden

usually an emergency

Question 11

function of the ciliary body

Answer 11

suspends the lens and produced aqueous humor

Question 12

function of the iris

Answer 12

controls the diameter of the pupil and thereby controls the amount of light rays entering the eyeball

Question 13

function of the choroid

Answer 13

supplies blood to the outer layer of the retina

Question 14

what is the uvea?

Answer 14

the iris

the choroid

and the ciliary body

Question 15

uveitis

Answer 15

inflammation of the uvea

Question 16

anterior uveitis

Answer 16

iris (and sometimes ciliary body) is inflamed

Question 17

intermediate uveitis

Answer 17

ciliary body is inflamed

Question 18

posterior uveitis

Answer 18

choroid is inflamed

Question 19

causes of uveitis

Answer 19

non-infectious autoimmune causes (like HLA-B27)

TB

associated with systemic diseases

infection