Lens and Cataract: Anatomy

Question 0

decreasing index of refraction

Answer 0

explain hyperopic shift from lens aging

Question 1

increasing curvature

Answer 1

explain myopic shift from lens aging

Question 2

2-4 microns

Answer 2

thickness range of the posterior lens capsule

Question 3

true

Answer 3

TRUE or FALSE: the lens capsule increases in thickness throughout life

Question 4

basal lamina of the NPE

Answer 4

origin of the zonular fibers

Question 5

true

Answer 5

TRUE or FALSE: There is no morphological difference between the cortex and the nucleus

Question 6

germinative pre-equatorial zone

Answer 6

area of greatest metabolic activity of the lens

Question 7

bow region

Answer 7

lens region where fibers complete their differentiation

Question 8

very low

Answer 8

normal oxygen tension of the lens

Question 9

false - it occurs in the lens epithelium

Answer 9

TRUE or FALSE: aerobic respiration is absent in the lens

Question 10

posterior (for peace)

Answer 10

which Y suture is inverted

Question 11

major intrinsic protein

Answer 11

protein uniquely expressed in the bow region