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Lens and cataract > 1 > Flashcards

1 Flashcards

1
Q

Amvisc

A

cohesive

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2
Q

Healon

A

cohesive

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3
Q

Provisc

A

cohesive

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4
Q

Viscoat

A

dispersive

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5
Q

chalcosis (copper), Wilson’s disease

A

Sunflower

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6
Q

chlorpromazine, thioridazine

A

anterior capsule pigmentation, thioridazine-> numullar RPE loss

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7
Q

Christmas Tree

A

myotonic dystrophy

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8
Q

chronic hyperbaric oxygen cataract

A

nuclear sclerotic cataract

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9
Q

UV sunlight cataract

A

cortical

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10
Q

Sunflower

A

chalcosis (copper), Wilson’s disease

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11
Q

shield-like anterior subcapsular cataract

A

atopic dermatitis

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12
Q

PSC

A

diabetes typ I, myotonic dystrophy

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13
Q

myotonic dystrophy

A

Christmas tree, PSC

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14
Q

rubella cataract

A

microspherophakic, retained lens fiber nuclei, inflammation after removal

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15
Q

PEX - lens

A

“iron filings” like deposits on the anterior capsule

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16
Q

True exfoliation in glassblowers

A

delamination or splitting of anterior capsule

17
Q

Calcium oxalate depositions

A

posterior surface of silicone IOL + asteroid hyalosis

18
Q

Snowflake degeneration

A

PMMA

19
Q

Glistening

A

hydrophobic material

20
Q

Posterior polar cataract - what part of surgery to avoid

A

Hydrodissection

21
Q

Superotemporal subluxation/dislocation

A

Marfan, Fibrillin mutation, consult cardiology, zonules only stretch, megalocornea

22
Q

Marfan

A

Superotemporal subluxation, Fibrillin mutation, zonules only stretch, megalocornea

23
Q

Inferonasal subluxation/dislocation

A

Homocystinuria - AR, tall, 50% mr, zonules brittle and tend to break not only stretch, thromboembolic events with general anesthesia, treat-low methionine and high cysteine

24
Q

Homocystinuria

A

AR, Inferonasal subluxation/dislocation, tall, 50% mr, zonules brittle and tend to break not only stretch, thromboembolic events with general anesthesia, treat-low methionine and high cysteine

25
Q

Ectopia lentis

A

Trauma is the most common cause. Marfan, homocystinuria, aniridia, and congenital glaucoma. Ehlers-Danlos syndrome, hyperlysinemia, Weill-Marchesani syndrome, and sulfite oxidase deficiency. isolated anomaly AD.

Lens and cataract (1 decks)

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