Visual

Question 1

Refractive media of the eye

Answer 1

4 components which light muss pass through

Question 2

Cornea-sclera

Answer 2

continuous at SCJ, avascular, long healing

Question 3

AH

Answer 3

Clear, in A/P chambers
Produced by CB, drained at iridiocorneal angle through canal of Schlemm
Blockage inc pressure (Glaucoma)

Question 4

Lens

Answer 4

curves for vision

Cataract (loss of transparency)

Question 5

VB

Answer 5

Posterior portion of eyeball

Question 6

Cortex

Answer 6

Map for light orientation
useful to detect color
Allows sense of object

Question 7

Fovea divides retina

Answer 7

Nasal/Temporal hemiretina

Question 8

RGC of nasal retina

Answer 8

Cross @ OC to innervate LGN

Question 9

RGC of temporal retina

Answer 9

do not cross, innervate LGN

Question 10

Visual pathway

Answer 10

Temporal retina
ON>OC>OT>LGN (synapse), optic radiations> PVC (BA 17)
Nasal retina
ON>cross @ OC>OT>LGN (synapse), OR>PVC (BA 17)

Question 11

Right visual field

Answer 11

Right eye nasal retina and left eye temporal retina

Question 12

Left visual field

Answer 12

Left eye nasal retina and right eye temporal retina

Question 13

Extreme temporal portion

Answer 13

Only seen by ipsilateral eye

Nose blocks contralateral temporal hemiretina

Question 14

Perimetry chart

Answer 14

L/R nasal fields (Temporal HR) small

L/R temporal fields (nasal HR) larger