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Ocular Disease > Lens > Flashcards

Lens Flashcards

0
Q

Vacuoles, clefts and Wedges seen with this type of cataract.

A

Cortical

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1
Q

This type of cataract is common with uveitis, RP and trauma

A

Posterior subcapsular

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2
Q

Complete opacification &Lens starts to swell

A

Advanced - mature

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3
Q

Complete liquefaction of the cortex

A

Hyper mature- morgagnian

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4
Q 
What type of cataract caused from these systemic diseases?
Diabetes
Galactosemia
Wilson’s disease
Atopic dermatitis
Steroids
Miotics
Chloroquine
Amiodarone
A

Anterior/posterior sub capsular

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5
Q

From Anterior segment ischemia, what type of cataract is caused?

A

Nuclear s.

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6
Q

UV-B causes……..

A

Cortical cataract

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7
Q

lens-particle glaucoma

A

immediate post op 3 days. Cortex material. Physical blockage of AC. Effecting the outflow. Snow balls in AC.

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8
Q

Lens-induced Ocular Disease

A

phacolytic glaucoma (Leakage of lens proteins)
lens-particle glaucoma
phacoanaphylaxis (rxn to lens antigens)

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9
Q

Significant concerns from surgery

A

NVG, Chronic uveitis, Blind eye, decreased endothelial cell count

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10
Q

Moderate concerns

A

Mono.pt., Diabetic retinopathy, POAG, and previous RD

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11
Q

Advanced Cataract Evaluation

A

-B-scan
-Macular/Retinal Function. . .
Entoptic images
80% report + finding
-Maddox rod
-Endothelial Cell Count
A-scan

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12
Q

Types of Surgery

A
  • Intracapsular Cataract Extraction (ICCE)

- Extracapsular Cataract Extraction (ECCE)

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13
Q

Extracapsular Cataract Extraction (ECCE)

A

Planned ECCE

Phacoemulsification

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14
Q

ECCE – phacoemulsification

A

May cause more endothelial damage
common
heals fast

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15
Q

on what type of IOL, you cant dilate patient

A

clipped IOL on iris

16
Q

Types of IOL’s

A 
Iris Clip
anterior chamber
Post Chamber (most common)
Apodized Diffractive IOL – ReStor
ReZoom – Multifocal IOL
Crystalens
17
Q

Crystalens IOL

A

Designed to mimic the eyes natural ability to focus on distance, intermediate and near objects.
“Hinges” – to change focus from dist /near
Complication = “Vaulting”

18
Q

High amounts of astigmatism is contraindication for what type of IOL

A

ReZoom – Multifocal IOL

19
Q

Early post-op complications

A 
Conjunctiva
Seidel’s sign
Corneal edema
Hypotony/Flat AC
Anterior Chamber-Hyphema
Endophthalmitis
Iris Atrophy
Iris prolapse
20
Q

Endophthalmitis

A

Serious intraocular bacterial infection that occurs within 2-3 days post-op.

21
Q

Late complications

A 
Bullous Keratopathy
Rebound Iritis
Posterior Capsular Opacification
Windshield wiper syndrome
Uveitis-glaucoma-hyphema syndrome
CME
RD
22
Q

More common with ICCE than with ECCE

A

CME & RD

23
Q

Most common in first 3 years following surgery

A

RD

24
Q

Types of cataracts effecting vision

A

Coraliform

Sutural ( if posterior )

25
Q

Types of cataracts unlikely effect vision

A

Anterior polar
Lamellar
Cerulean

26
Q

Cataracts with blue dots

A

Sutural

Cerulean

Ocular Disease (4 decks)

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