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Flashcards in Okaps flashcards - lens cataract Deck (36):
1

what type of lenticonus in Lowe's

posterior lenticonis

2

alport's syndrome

neprhopathy, deafness, anterior lencionus, and polar cataracts, micospherphakia, aminoaciduria

3

mittendorf dot

reminant of tunica vascular lentis

4

maternal infections assocaited with bilateral congenital cataracts

toxo, rubella, cmv, syphilis, varicella

5

christmas tree cataract

myotonic dystrophy

6

cataracts iwith atopic dermatitis

psc

7

oil droplet cataracts

galactosemia

8

body habitus of homocystinuria

tall, marfanoid status

9

elsnig peralrs

migration of lens epithelial cells from periphery of lens through space between anterior and posterior capsule

10

snowflake cataract

dm

11

drugs to avoid in sickle cell

CAI, epipnephring, alpha agnoists, hyperosmotics, beta blockers ok.

12

reactive foregn bodies

copper (>85% endophthamisi, <70% inert)

13

congeneital iris hypochormia

horne'rs waardenberg's hirschbrung's

14

acquired hypochromia

horner's fuch's iris atrophy, mets, JXG

15

acquired iris hyperchormic

iris nevus, ICE, rubeosis, siderosis, hemosiderosis, meds

16

how to differntiate ICE syndromes

Chandler: K edema, Iris atrophy: iris atrophy: broad PAS, ectropion uveae, iris holes, Cogan-Reese: iris nevus, corectopia

17

what are koeppe nopdules

along pupillary border. Busacca: anteior surface iof iris in granulomatous uveitis. Berlin: in AC angle in uveitis.

18

what is fuch's adenoma

proliferation of type IV collagen.

19

lens fibrs with nuclei

rubella, Lowe's trisomy 13

20

protens in lens

alpha: largest, 35%, beta: 55% crystlain, gamma: smallest, water insoluble correlates with cataracts

21

Na, K concentration in lens

high K, low Na, inverse of aqueous.

22

metabolism of lens

anaeboric by glycolysis.

23

avg lens power

birth 37D, adult 20D

24

2nd sight

lenitcur myopia due to increased index of refraction presbyopies can often read without spectacles

25

vossius ring

ring of pigment on lens from iris.

26

cataract with atopic dermatitis

ASC shiled like plaque

27

findings of myotonic dystrophy

christmas tree cataract AD, chromosome 19, ptosis, lid lag, myotonia, testicular atrophy

28

materials to get PCO

acrylic< PMMA

29

deficiency of cystathione beta snthase

homocytstinuria, bilateral ectopia, lintus, blond tall, cardiomegaly, hypercoagulatbility, general anesthesia problems

30

rx for homocystinuria

B6, cysteine, methionine restricted diet

31

sulfite oxidase deficieicny

AR, molybdenum deficiency, brushfield's spots, seizures

32

hyperlysinemia

microspherophika, mental retard

33

cohesive OVD

long hain, high MW, high surface tension

34

Causes of PAC cataracts

Steroid, trauma, syphilis, rad, to, dm atopy RP, nf-2, phenothiazine a, myotonic dystrophy, refsum

34

dispersive OVD

low MW, low surface tension

35

Causes of asc cataract

5 As and a c
Aniridia, Alport, atopy, amiodarine, anticholinesterades, chlorpromazine