opthamology

Question 1

macula

Answer 1

part of retina most densely packed with ‘seeing cells’

Question 2

choroid

Answer 2

layer of tissue behind retina containing many tiny blood vessels

Question 3

bruchs membrane

Answer 3

thin membrane forming barrier between choroid and retina

Question 4

sclera

Answer 4

outer thick white layer of eye

Question 5

cataracts

Answer 5

cloudy area in lens of eye
various different types e.g age related, congenital, traumatic

Question 6

glaucoma

Answer 6

damage to optic nerve due to raised intracoccular pressure from fluid build up
preventable
can lead to sight loss

Question 7

mild glaucoma attacks

Answer 7

pain in eyes and halos around lights
symptoms relieved by sleeping

Question 8

full glaucoma attack

Answer 8

rapid deterioration of vision with intense eye pain
sensitivity to bright light
redness and watering of the eye

Question 9

treatment of glaucoma

Answer 9

reduce production of fluid - beta blocker drops
increase drainage of fluid - laser, surgery

Question 10

Age related Macular Degeneration

Answer 10

only central vision affected - goes blurred
caused by a build up of cellular waste under the retina

Question 11

dry macular degeneration

Answer 11

most common type
gradual loss of central vision due to slow atrophy of photoreceptors
no treatment

Question 12

wet macular degeneration

Answer 12

rapid progression to loss of central vision
atrophy of photoreceptors and leakage of blood and fluid at macula
laser treatment occasionally effective

Question 13

diabetic retinopathy

Answer 13

damage to retina caused by altered blood supply due to prolonged high blood sugar levels
can lead to loss of some vision