a. Vitreous humor
b. Synovial fluid
c. Cartilage
d. Cornea
2. Floaters can be seen in all of the following except ?
a. Vitreous hemorrhage
b. Retinal detachment
c. Uveitis
d. Acute congestive glaucoma
3. The most common cause of vitreous hemorrhage in adults is ?
a. Retinal hole
b. Trauma
c. Hypertension
d. Diabetes
4. Black floaters in a diabetic patient indicate ?
a. Vitreous hemorrhage
b. Maculopathy
c. Vitreous infarction
d. Post vitreous detachment
5. A 25 year old male gives history of sudden painless loss of vision in one eye for the past 2 weeks. There is no history of trauma. On examination the anterior segment is normal but there is no fundal glow. Which one of the following is the most likely cause ?
a. Vitreous hemorrhage
b. Optic atrophy
c. Developmental cataract
d. Acute attack of angle closure glaucoma
6. "Snow ball" opacity in vitreous is seen in ?
a. Pars planitis
b. sarcoidosis
c. Juvenile RA
d. Toxoplasmosis
e. Fuch's lesion
7. Which one of the following statements concerning persistent hyperplastic primary vitreous (PHPV) is not true ?
a. It is generally unilateral
b. Visual prognosis is usually good
c. It may calcify
d. It is most easily differentiated from retinoblastoma by the presence of exopthalmos or cataract
8. PHPV is associated with which of the following ?
a. Patau syndrome
b. Down syndrome
c. Tuberous sclerosis
d. Sturge weber syndrome
9. A vitreous aspirate has been collected in an emergency at 9 pm. What advice would you like to give to the staff on duty regarding the overnight storage of the sample ?
a. The sample should be kept at 4 degree centigrade
b. The sample should be incubated at 37 degree centigrade
c. The sample should be refrigerated in deep freezer
d. The sample should be refrigerated for the initial 3 hours and then incubated at 37 degree centigrade
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