To see views enlarged, click on the individual pictures...

An 11-year-old female presents with the complaint of a foreign body sensation in both eyes for about one month. She has been using antihistamine and steroid drops. The appearance of her lower tarsal conjunctiva is as shown in the pictures above. Her vision is 6/6 in both eyes. Careful evaluation of the lower tarsus reveals multiple avascular, oval, pale elevations, some as large as 2 mm.

1.	The tarsal lesions are most likely to be:
	a. papillae b. follicles c. Drusen d. hordeola e. none of the above
2.	The most important differential feature in determining the identity of these structures on the tarsus is:
	a. size b. color c. lack of central vascular core d. number e. none of the above
3.	These tarsal lesions can be seen in:
	a. several types of acute and chronic conjunctivitis b. adenovirus c. Herpes simplex d. chlamydia trachoma e. all of the above

For answers to the above, click here on or after July 13, 2010.