Lens

Question 1

Which nucleus contains the Y stutures?
Embryonic
Fetal
Adult 
Juveniles

Answer 1

Fetal CONTAINS Y stutures

Question 2

Which technique will tell you an opacity is present? 
Retroillumination
Speculator reflect
Direct focal-parallel pied 
Direct focal-optic section

Answer 2

Retro

THE DIRECT FOCAL PARRALLPID TELLS ME WHERE IN THE LENS

Question 3

WHICH OF THE following normal lens changes is worrisome with glaucoma?
A . Cortex thickening
B. Shallowing of anterior chamber

Answer 3

B shallowing anterior chamber increase in IOP (phakomorphic glaucoma) .

Question 4

T/f patients experiencing phakomorphic glaucoma should be on glaucoma meds.

Answer 4

FALSE. REMOVE THE LENS FOR THIS TYPE OF GLAUCOMA

Question 5

All of the following are NORMAL age changes of the lens except

A. Size increases
B. Color remains same
C. Zones of discontinuity are less distinct
D. Capsular iridescence has a shen of red, blue or green off of capsular

Answer 5

B. The color of the lens changes from clear to yellow brown. THE POSTERIOR SECTION OF THE LENS IS ALWAYS DARKER.

Question 6

ALPORT SYNDROME IS ASSOCIATED WITH WHICH OF THE FOLLOWING:

A. Microspherophakia 
B. Coloboma
C. Lentoglobus 
D. Lenticonus 
E, ectopia lentils

Answer 6

D. ALPORT SYNDROME IS ASSOCIATED WITH LENTICONUS!!! NOT LENTIGLOBUS

Question 7

WHICH TYPE OF SENILE CAT. Would we see a myopic shift and a compliant of secondary sight?

A. Cortical
B. Nuclear cataract
C. PSC

Answer 7

B. Nuclear cat. !!!!! BIGGEST COMPLIANT IS OVER TIME THEIR VISION UP CLOSE STARTED IMPROVING.

AND THEY HAVE PROBLEMS WITH GLARE AND ITS WORST AT NIGHT

Question 8

Which of the following cortical cat is associated with total liquidification of the cortex:

A. Incipient 
B. Hyper mature
C. Mature 
D. Morgan ion cataract 
E. Membranous cataract stage

Answer 8

D. Morgan ion CATARAT . IS ASSOCIATED WITH COMPLETE LIQUIDIFCATION OF THE CORTEXT. Subclass of hyper mature.

-will see lens sinking to bottom.

E. Is wrong because it involves total reabsorption of lens contents.

Question 9

Which of the following cataract is has worst vision in bright illumination?
A. Cortical
B. Nuclear
C. PSC

Answer 9

C. Vision is reduced in early stages and their vision is worst in day

Question 10

What type of refractive shift do you see in cortical cat?

Hyperopia
Myopia

Answer 10

Hyperopia

Question 11

Retroillumination is required for which two classifications? On the LOCS CARD

Answer 11

POSTERIOR SUBCAPSULAR
CORTICAL

YOU DO NOT NEED RETROILLUN FOR CORTICAL

Question 12

PERMENANT DILATION IS GOOD FOR WHICH type of cat
A. Nuclear
B. Cortical
C. PSC

Answer 12

PSC!!!

Question 13

THE MOST COMMON CONGENITAL CATARACT: 
A. Congenital total
B. Non-specific punctate 
C. Sutural 
D. Purvalent 
E. Zonullar cataract

Answer 13

E. Zonullar

Question 14

T/f posterior congenital polar cataract has a greater affect on vision than anterior congenital polar

Answer 14

True!!!