RETINA MCQ 1

1.       Retina has  stronger attachments at

a.      Optic nerve head and ora serrata

b.       Equator

c.       Posterior pole

d.       Macula

e.       Periphery

2.       Dyschromatopsis is

a.       Change in day vision

b.     Alteration in color vision

c.       Change in motion

d.       Change in saccades

e.       Change in persuits

3.       Photopsia is

a.       Floaters

b.       Increased light sensitivity

c.     Flashes

d.       Blind spot

e.       Increased in night vision

4.       The fovea has only

a.       Rods

b.     Cones

c.       Rods and cones

d.       Ganglion cells

e.       Bipolar cells

5.       Size of macula is

a.       3mm

b.       4mm

c.     5.5mm

d.       7mm

e.       8mm

6.       Size of fovea is

a.       O.5mm

b.       1mm

c.     1.5mm

d.       2mm

e.       3mm

7.       The size of foveala is

a.       0.1 mm

b.       0.2mm

c.     0.35mm

d.       0.4mm

e.       0.5mm

8.       The ganglion cells reach up to

a.       Optic chiasma

b.     Lateral geniculate body

c.       Optic tract

d.       Optic radiation

e.       Occipital cortex

9.       Metamorphopsia is detected by

a.       Snellen chart

b.       Hess chart

c.        Amsler grid

d.       Parks test

                                 e.        Photostress test 

10.       outer Blood retinal barrier is located between which structures

a.     tight junctions of RPE

b.       non fenestrated coriocapillaries in choroid

c.       foot process of muller cells

d.       zona adherent between rod and cones

e.       tight junctions at the level of  plexiform layer