special senses eye and ear

Question 1

what is anopthalmos

Answer 1

absence of the eye

Question 2

abnormally small eye is know as what?

Answer 2

micropthalmia

Question 3

a single medial globe within a single medial orbit seen in lambs where the mother consumed veratrum californicum during pregnancy is what congenital anomaly?

Answer 3

cyclopia

Question 4

what is synopthalmia

Answer 4

incomplete separation or early fusion of paired globes

Question 5

what is coloboma

Answer 5

failure of complete fusion of lips of the embryonic fissure (improper development of optic cup)

Question 6

cavitation of choroid and sclera with visual defects seen only in severe cases are lesions associated with what congenital anomaly?

Answer 6

coloboma

Question 7

abnormal retinal vessels, chorioretinal dysplasia or hypoplasia, ectasia of the optic disc or sclera, posterior staphyloma are all associated with what disease?

Answer 7

Collie Eye Anomaly (CEA)

Question 8

what is the sequelae of CEA?

Answer 8

retinal degeneration and detachment intraocular hemorrhage

Question 9

define persistant pupillary membrane.

Answer 9

delayed or incomplete atrophy of anterior perilentiuclar vascular network

Question 10

bloodless strands is a key sign for what disease?

Answer 10

persistant pupillary membrane.

Question 11

complete absence of eyelid is know as

Answer 11

eyelid agenesis

Question 12

partial absence of eyelid is know as what

Answer 12

eyelid coloboma

Question 13

what is the sequelae of eyelid agenesis and coloboma

Answer 13

corneal desiccation and cutaneous metaplasia