The most likely cause of the pigmentation depicted in this image is: | OphthalmologyWeb: The Ultimate Online Resource for Ophthalmologists

Posted: August 4, 2010

The most likely cause of the pigmentation depicted in this image is:

a) melanin
b) iron
c) silver
d) carbon

Correct Answer: silver

This patient has argyrosis with diffuse gray deposits in the conjunctiva and cornea due to silver.

The patient depicted in the photograph below would be best treated with:
1. Acetylcysteine 10% drops
2. Prednisolone drops
3. Sodium cromolyn drops
4. Olopatadine drops
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A 40 y.o. female pictured below comes to the office with swelling of both upper lids, mild shortness of breath and symptoms of dry eyes. One would expect to see as part of her work up:
1. A monocytic B cell infiltrate of her lacrimal glands
2. Pain on palpation of her lacrimal glands.
3. An elevated ACE.
4. A history of breast cancer.
check the answer
The following is true of the photograph below:
1. This particular stain stains only devitalized and dead cells and mucus.
2. This eye has been stained with 2% rose Bengal.
3. This stain pools in epithelial erosions and stains exposed basement membrane.
4. This stain may be a more sensitive indicator of early or mild cases of keratoconjuncitivitis sicca.
... check the answer
After permanent punctal occlusion with cautery:
1. 5-10% rate of recanalization is expected.
2. 10-20% rate of recanalization is expected.
3. 20-30% rate of recanalization is expected.
4. 30-40% rate of recanalization is expected.
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The most common cause of mucin deficiency is:
1. Vitamin D deficiency
2. Vitamin C deficiency
3. Vitamin K deficiency
4. Vitamin A deficiency
check the answer

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