layers of eye

Question 1

Sensory tunic

Answer 1

1) neural layer
2) optical disc
3) macula
4) optical nerve

Question 2

Vascular Tunic (uveal)

Answer 2

1) choroid
2) ciliary body
3) iris

Question 3

fibrous tunic

Answer 3

1) sclera
2) cornea

Question 4

neural layer

Answer 4

made up of PHOTORECEPTORS
receptors send signals –> GANGLION CELLS –> brain

Question 5

optical disc

Answer 5

part of eye you can see when looking back

Question 6

macula

Answer 6

central area of retina
lateral to potical disc
FOVEA: fine DETAILED vision occurs here

Question 7

Choroid

Answer 7

blood vessels –> O2 and nourishment

Question 8

Ciliary Body

Answer 8

Contain ciliary muscles (contorl lens shape)
Produce: Aqueous humour

Question 9

Iris

Answer 9

Sphincter & dilator muscles
Pigments

Question 10

Sclera

Answer 10

Internal aspect
Posterior to lens
Form white portion of eye
dense CT

Question 11

Cornea

Answer 11

External aspect
Anterior to lens
Transparent (enable light transmission)

Question 12

accessory strucutres of eye

Answer 12

eyelid
lacrimal gland
extrinsic eye muscle (rectus, oblique)