They are modified glial cells that provide structural framework supporting neural elements in the retina
B.
Their nuclei lie in the outer nuclear layer
C.
Their basal processes extend out to form the inner surface of the retina (inner limiting membrane).
D.
The apical or outer cell processes extend beyond the outer nuclear layer, where they are connected to the photoreceptors by a system of terminal bars that comprise the external limiting membrane.
3.
What is the diameter of the retinal vein as it crosses the edge of the optic nerve head?
A.
80 µm
B.
120 µm
C.
160 µm
D.
200 µm
4.
Arlt's Line is seen in
A.
Trachoma
B.
Glaucoma
C.
EKC
D.
VKC
5.
Which optical principle is the basis for antireflective coatings on glasses and lenses?