EYE

Question 1

MC primary tumor of the orbit

Answer 1

Vascular tumors

Question 2

Lipogranuloma of the eyelid due to the obstruction of the sebacous ducts

Answer 2

Chalazion

Question 3

MC malignancy of the eyelid

Answer 3

Basal cell CA

Question 4

MC site of Conjunctival Neoplasm

Answer 4

Limbus

Question 5

main refractive surface of the eye

Answer 5

Cornea
40 out of 60 diopters

Question 6

Distortion of the corneal contour

Answer 6

Astigmatism

Question 7

Disease Characterized by distinctive changes in visual field and optic nerve cup

Answer 7

Glaucoma
most are assoc with Inc IOP

Question 8

MC primary intraocular malignancy in audlt

Answer 8

Uveal melanoma

in children - Retinoblastoma

Question 9

MC location containing metastases of uveal melanoma

Answer 9

Liver

Question 10

fragment of atherosclerotic plaque lodged in retinal circulation

Answer 10

Hollenhorst plaques
Seen in Central retinal artery occlusion

Question 11

may occur with or without ischemia
blood and thunder appearance

Answer 11

Central retinal vein occlusion

Question 12

Xlinked, AR or AD
apoptosis of rods and cones
waxy pallor of the optic disc

Answer 12

Retinitis Pigmentosa
Apoptosis of Rods: Nyctalopia
Apoptosis of Cones: Central visual acuity impairment

Question 13

MC primary intraocular malignancy in children

Answer 13

Retinoblastoma
mutation in RB allele
Leukocoria
small, round blue cells
Flexner-Wintersteiner rosettes and fleurettes

Question 14

thinning of sclera

Answer 14

Staphyloma

Question 15

diffuse eye enlargement

Answer 15

Bupthalmos

Question 16

Unilateral swelling of the optic nerve head is due to

Answer 16

Nerve compression

bilateral: inc ICP