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Pediatrics > Congenital Glaucoma > Flashcards

Congenital Glaucoma Flashcards

1
Q

What are the 2 conditions that can casue corneal abnormalities of size?

A

Microcornea

Megalocornea

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2
Q

What are the clinical findings of megalocornea?

A
  1. bilatera/symmetrical
  2. clear cornea
  3. normal corneal thickness
  4. IOP normal
  5. C/D normal
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3
Q

What conditions can cause corneal clouding?

A
  1. Corneal Edema
  2. Peter’s Anomaly
  3. STUMPED
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4
Q

What conditions cause corneal edema?

A
  1. Forcep’s Injury
  2. CHED
  3. Congenital Glauc.
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5
Q

What does STUMPED stand for? Remember: this describes the conditons that cause corneal clouding

A
  1. Sclerocornea, Staphyloma
  2. Tears in Descemet’s
  3. Ulcers
  4. Metabolic
  5. Peter’s anomaly
  6. Edema (CHED)
  7. Dystrophy
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6
Q

What conditions cause tearing?

A
  1. Cong. Glauc.
  2. NLDO
  3. Crocodile Tears
  4. Entropion/Trichiasis
  5. FB, keratitis
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7
Q

What is the triad of congenital glaucoma?

A
  1. Epiphora
  2. Photophobia
  3. Blepharospasm
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8
Q

What is the etiology of congenital glaucoma?

A

Trabecular dysgenesis

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9
Q

What is the inheritence pattern of cong. glauc.?

A

AR; 10% inherited

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10
Q

Name the clinical findings of cong. glaucoma?

A
  1. Increased corneal thickness
  2. Haab’s Striae
  3. Increased C/D
  4. Increased IOP
  5. Myopia
  6. Deep AC
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11
Q

Describe the location and presentation of Haab’s Striae.

A
  • In descemet’s membrane

- central splits, railroad track appearance

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12
Q

Can the increased C/D ratio be reduced in cong. glaucoma?

A

Yes

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13
Q

Why is there myopia in cong. glauc?

A
  • Deep AC increases eyes axial length
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14
Q

What fraction of cong. glauc. patients present with at least 3D of astigmatism?

A

2/3

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15
Q

What % of cong.glauc patients had at least 2D of astig?

A

24%

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16
Q

Why is the AC deep in a patient in with cong. glauc.?

A
  • increased IOP + immature collagen = stretching at limbus
17
Q

At what age does the eye no longer elongate under the influence of increased IOP?

A

after age 3

18
Q

What is the 1st choice for sx in a px with cong. glauc?

A
  1. Goniotomy - incises TM with a blade
19
Q

What is the 2nd choice for sx in a cong. glauc px?

A

Trabeculotomy - opens Schlemm’s canal into the AC

20
Q

What are some common manifestations of cong. glaucoma?

A
  1. Anisometropia
  2. Irregular Astigmatism
  3. Amblyopia

Pediatrics (10 decks)

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