Cataracts Flashcards

0
Q

Types of cataracts?

A
  1. Nuclear sclerosis
  2. Cortical
  3. Posterior subcapsular
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1
Q

Definition of cataract?

A

Any opacity in lens regardless of etiology

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2
Q

List 6 etiology of acquired cataracts

A
  1. Age related
  2. Cataract associated with DM, metabolic disorder, hypocalcemia
  3. Traumatic
  4. Intraocular inflammation
  5. Steroid induce
  6. Radiation
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3
Q

Cataract Nuclear sclerosis? And their causes

A

Yellow to brown discoloration at center part of the lens

Age related

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4
Q

Cortical cataracts and causes?

A

Radical opacification in cortex of lens either anterior or posterior

Aging and diabetic

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5
Q

Posterior subcapsular cataract and caused?

A

In posterior lens adjacent to capsule

Steroid induce, intraocular inflm. DM, trauma

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6
Q

Clinical features of cataracts?

A
  1. Gradual, painless, progressive decrease in vision
  2. Glare, dimness , halos around light at night
  3. “Second sight” phenomenon
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7
Q

How to diagnose cataract patient?

A

Slit-lamp exam, changes in red reflex

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8
Q

Treatment of cataract?

A
  1. Surgical

I. Extra capsular cataract extraction (ECCE)
II. Phacoemulsification aspiration
III. Intracapsular cataract extraction (ICCE)
IV. Lens aspiration

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9
Q

Post-operative complication?

A
  1. Retinal detachment
  2. Endothalmitis
  3. Macula edema
  4. Glaucoma
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