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Glaucoma > Chapter 1 glaucoma > Flashcards

Chapter 1 glaucoma Flashcards

1
Q

Pigmentary Dispersion syndrome

A

30-40 males
From bowed iris rubbing on zonules
Trans illumination iris defects
worse on exercise (jarring and releases pigment)

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2
Q

Angle structures in order post to anteriorly

A 
(I Can See The Stupid Line)
Iris
Ciliary Body
Scleral spur
Trabecular Meshwork
Schelmm's canal
Schwalbe's Line
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3
Q

Aqueous is secreted by the…

A

Ciliary epithelium

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4
Q

Pseudoexfoliation syndrome (PXF)

A 
Age related
Systemic condition
Breakdown of basement membrane throughout the body
Flaky white deposits on pupillary margin
Sampaolesi's line
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5
Q

The flow of aqueous

A

Ciliary epithelium secretes aqueous…

travels from post chamber to ant chamber then flows out of eye through TM, then to canal of Schlemm

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6
Q

Which 3 types of drugs decrease the production of aqueous? (decrease outflow)

A

CAI
B-blockers
Alpha adrenergic agents

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7
Q

Sunflower cataracts is associated with…

A

Wilson’s disease (copper depositing on lens)

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8
Q

Which topical hypotensive is contraindicated in patients’s with pulmonary issues?

A

Timolol (beta blockers cause bronchoconstriction)

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9
Q

Is treatment for PXF and Pigmentary dispersion the same as for COAG?

A

Yes

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10
Q

Peripheral Iridotomy

A

Used for acute angle closure attach to increase flow of aqueous to ant chamber

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11
Q

Goniotomy

A

Used in congenital glaucoma

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12
Q

Trebeculectomy

A

small portion of TM removed to aid in aqueous outflow, bleb

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13
Q

Angle recession glaucoma

A

Caused by blunt trauma to eye,

unilateral IOP spike, Vossius ring, ONH damage, iris tear

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14
Q

Vossius ring

A

A circular deposition of pigment on the anterior capsule of the lens due to trauma

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15
Q

Irididodialysis

A

A separation of the iris root from its attachment to the CB due to ocular trauma.

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16
Q

Rubeotic glaucoma

A

Caused by neo in angle

17
Q

The most immediate threat to vision in acute angle closure glaucoma is…

A

CRAO

18
Q

In acute angle closure use these three meds:

A
  1. Topical ocular hypotensives
  2. Oral CAI
  3. Hyperosmotic agents (IV Mannitol or oral osmoglyn)
19
Q

Peripheral iridotomy used for..

A

acute and chronic angle closure glaucoma

20
Q

Pred Forte

A

Topical ophthalmic steroid

risk of IOP spike

21
Q

Lotemax, FML, Alrex

A

“soft steroids” = less IOP risk

22
Q

Acular and Voltaren

A

Topical NSAID’s, no IOP spike

23
Q

Azopt (brinzolamide1%)

A

CAI that lowers IOP

24
Q

Ocular HTN

A

24-32mmHg

25
Q

Risk factors for glaucoma

A

Increase age
African American
Family Hx

26
Q

How does thickness of cornea correlate to IOP?

A

Thicker cornea overestimates IOP (lower IOP than the reading)

Glaucoma (2 decks)

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