The vitreous particles of asteroid hyalosis are composed of: | OphthalmologyWeb: The Ultimate Online Resource for Ophthalmologists

Posted: December 17, 2010

The vitreous particles of asteroid hyalosis are composed of:

a) hyaline
b) cholesterol
c) calcium
d) amyloid

Correct Answer: calcium

The yellow refractile particles are calcium soaps.

A 45 y.o. female comes to the office with a chief complaint of tearing ou and foreign body sensation. Of note are small superficial punctate epitheliopathy diffusely over the central cornea. Her tear film is scanty ou. One would expect her Schirmer’s test
1. >15mm with anesthetic
2. < 10mm="" with="" />
3. >20mm without anesthetic
4. <5mm without="">
check the answer
The glaucoma medications associated with decreased conjunctival goblet cell density are:
1. Prostaglandin analogs
2. Selective beta blockers
3. Non-selective beta blockers
4. Alpha agonists
check the answer
Causes of aqueous tear deficiency include all of the following except:
1. Riley-Day Syndrome
2. Anhidrotic Ectodermal Dysplasia
3. Shy-Drager Syndrome
4. Fraser Syndrome
check the answer
The correct order for the layers of the upper eyelid from anterior to posterior is:
1. skin, orbicularis, levator aponeurosis, septum, mullers muscle, fat, conjunctiva
2. skin, septum, orbicularis, levator aponeurosis, mullers muscle, conjunctiva, fat
3. skin, fat, orbicularis, septum, levator aponeurosis, mullers muscle, conjunctiva
4. skin, orbicularis, septum, fat, levator aponeurosis, mullers
... check the answer
Which of the following is NOT a risk factor for suprachoroidal hemorrhage?
1. Previous lasik surgery
2. Preoperative high intraocular pressure
3. Aphakia
4. Previous vitreous surgery
check the answer

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