Lens Flashcards
Which nucleus contains the Y stutures? Embryonic Fetal Adult Juveniles
Fetal CONTAINS Y stutures
Which technique will tell you an opacity is present? Retroillumination Speculator reflect Direct focal-parallel pied Direct focal-optic section
Retro
THE DIRECT FOCAL PARRALLPID TELLS ME WHERE IN THE LENS
WHICH OF THE following normal lens changes is worrisome with glaucoma?
A . Cortex thickening
B. Shallowing of anterior chamber
B shallowing anterior chamber increase in IOP (phakomorphic glaucoma) .
T/f patients experiencing phakomorphic glaucoma should be on glaucoma meds.
FALSE. REMOVE THE LENS FOR THIS TYPE OF GLAUCOMA
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
B. The color of the lens changes from clear to yellow brown. THE POSTERIOR SECTION OF THE LENS IS ALWAYS DARKER.
ALPORT SYNDROME IS ASSOCIATED WITH WHICH OF THE FOLLOWING:
A. Microspherophakia B. Coloboma C. Lentoglobus D. Lenticonus E, ectopia lentils
D. ALPORT SYNDROME IS ASSOCIATED WITH LENTICONUS!!! NOT LENTIGLOBUS
WHICH TYPE OF SENILE CAT. Would we see a myopic shift and a compliant of secondary sight?
A. Cortical
B. Nuclear cataract
C. PSC
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
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
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.
Which of the following cataract is has worst vision in bright illumination?
A. Cortical
B. Nuclear
C. PSC
C. Vision is reduced in early stages and their vision is worst in day
What type of refractive shift do you see in cortical cat?
Hyperopia
Myopia
Hyperopia
Retroillumination is required for which two classifications? On the LOCS CARD
POSTERIOR SUBCAPSULAR
CORTICAL
YOU DO NOT NEED RETROILLUN FOR CORTICAL
PERMENANT DILATION IS GOOD FOR WHICH type of cat
A. Nuclear
B. Cortical
C. PSC
PSC!!!
THE MOST COMMON CONGENITAL CATARACT: A. Congenital total B. Non-specific punctate C. Sutural D. Purvalent E. Zonullar cataract
E. Zonullar
T/f posterior congenital polar cataract has a greater affect on vision than anterior congenital polar
True!!!