Ohp II Mt 2 Cataracts

69 Questions | By Tseemore | Last updated: Mar 20, 2022 | Total Attempts: 49

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1.

Phacolytic glaucoma and lens particle glaucoma are very similar in that they both involve lens proteins that go into the AC and clog the TM. Describe the 2 main differences between these two.
2.

When would a B-Scan be important for pre-cataract sx testing?
3.

The most common type of senile cataract is _______.
4.

Infantile (congenital) catracts typically do NOT affect vision.
- A.
  
  True
- B.
  
  False
5.

Indicate which conditions can result due to anterior/posterior polar cataracts.
- A.
  
  Uveitis
- B.
  
  Myopic shift
- C.
  
  Increased glare issues
- D.
  
  Capsular rupture
- E.
  
  Hyperopic shift
6.

Zonular cataracts present as a region/zone of the lens that is opaque and is usually unilateral.
- A.
  
  True
- B.
  
  False
7.

Which of the following is the most common type of congenital cataract?
- A.
  
  Fetal Nuclear
- B.
  
  Lamellar
- C.
  
  Blue Dot
- D.
  
  Coronary
8.

Fetal Nuclear Cataracts are limited to what area of the nucleus?
- A.
  
  Embryonic nucleus
- B.
  
  Fetal nucleus
- C.
  
  Adult nucleus
9.

Sutural cataracts can occur in both the anterior and posterior of the lens. Anterior is more common.
- A.
  
  True
- B.
  
  False
10.

For sutural (stellate) cataracts, anterior sutures are inverted 'Y'-shaped and posterior sutures are 'Y'-shaped
- A.
  
  True
- B.
  
  False
11.

Coronary and Blue Dot cataracts occur in the lens nucleus.
- A.
  
  True
- B.
  
  False
12.

Down's Syndrome and Myotonic Dystrophy are associated with what type of congenital cataract?
- A.
  
  Lamellar
- B.
  
  Sutural
- C.
  
  Coronary
- D.
  
  Blue Dot
13.

What is the most common cause of Total Congenital cataract?
- A.
  
  Rubella
- B.
  
  Mumps
- C.
  
  Hepatitis
- D.
  
  Toxoplasmosis
14.

Galactosemia causes what type of secondary cataract?
- A.
  
  Polychromatic
- B.
  
  Diabetic
- C.
  
  Anterior Subcapsular
- D.
  
  Oil Droplet
15.

Indicate which type(s) of cataracts can cause a myopic shift.
- A.
  
  Oil Droplet
- B.
  
  Cortical
- C.
  
  Diabetic
- D.
  
  Traumatic
- E.
  
  Morganian
- F.
  
  NSC
16.

Indicate the potential causes of Polychromatic (christmas tree) cataracts.
- A.
  
  Thermal radiation
- B.
  
  Wilson's Disease
- C.
  
  Myotonic dystrophy
- D.
  
  Trauma
- E.
  
  Cholesterol issues
17.

A 'milky NSC' apperance is associated with what type of secondary cataract?
- A.
  
  Sunflower
- B.
  
  Diabetic
- C.
  
  Posterior Subcapsular
- D.
  
  Hypermature
18.

Glassblower's cataract is also known as a pseudo-exfoliation cataract
- A.
  
  True
- B.
  
  False
19.

Wilson's Disease involves copper accumulation from poor metabolism and is associated with a Keiser-Fleisher Ring
- A.
  
  True
- B.
  
  False
20.

Drugs such as phenothiazines and miotics can cause what type of secondary cataract?
- A.
  
  Polychromatic
- B.
  
  Hypermature
- C.
  
  Anterior Subcapsular
- D.
  
  Mature
21.

Posterior subcapsular is rarely visually devastating.
- A.
  
  True
- B.
  
  False
22.

A 'rosette (star of david) or vossius ring is associted with which type of cataract?
- A.
  
  NSC
- B.
  
  Cortical
- C.
  
  Traumatic
- D.
  
  Morganian
23.

A Mature cataract is one where there is liquefaction of lens contents and wrinkling of capsule; a Hypermature cataract is complete opacification of lens capsule, cortex and nucleus
- A.
  
  True
- B.
  
  False
24.

If you see nuclear contents that have sunken inferiorly, what type of cataract would you consider?
- A.
  
  Diabetic
- B.
  
  Hypermature
- C.
  
  Morganian
- D.
  
  Total Congenital
25.

What is the VA limit for Medicare to cover cataract extraction?
- A.
  
  20/30
- B.
  
  20/40
- C.
  
  20/50
- D.
  
  20/60