Ocular trauma

Question 1

What are some causes of ocular trauma

Answer 1

work related, assault, home environment, sports injury

Question 2

what is the difference between perforating trauma and penetrating trauma

Answer 2

penetrating- doesn’t go all the way through

perforating- goes all the way though the eye

Question 3

what parts of the eye should you definitely examine

Answer 3

lids, conjunctiva, cornea, iris, pupils, funds and anterior segment

Question 4

\what are fluorescein drops used for

Answer 4

identify areas of epithelial loss

Question 5

what is visual acuity

Answer 5

clarity of vision

Question 6

what is th most common type of blowout fracture

Answer 6

inferior

Question 7

what is uveitiis

Answer 7

inflammation of the uvea

Question 8

what symptoms would you get with uveitis

Answer 8

itchy, red photophobic eyes

Question 9

what is hyphaema

Answer 9

red blood cell accumulation in anterior chamber

Question 10

what would retinal detachment look like?

Answer 10

retinal tear is detached from retina

Question 11

what would a white line near the optic disk in a fundoscopy suggest?

Answer 11

choroid tear

Question 12

what does commotio retinae mean

Answer 12

bruised retina

Question 13

does commotio retinae require surgery?

Answer 13

nah- usually self resolving

Question 14

what are common causes of lid lacerations

Answer 14

dog bites, machinery, DIY tools

Question 15

what shape is a corneal alteration

Answer 15

tear shaped

Question 16

what does seidels test distinguish

Answer 16

anterior chamber leakage in the cornea

Question 17

what is sympathetic ophthalmia

Answer 17

penetrating injury to one eye causes auto immune reaction in both eyes= inflammation and potentially bilateral blindness

Question 18

where would you find a sub tarsal body

Answer 18

underneath the eye lid

Question 19

would you treat a sub tarsal foreign body with cloramphenicol

Answer 19

yup

Question 20

what imaging technique would you use for a penetrating foreign body

Answer 20

USS

Question 21

what are common materials to get stuck in cornea

Answer 21

metallic

Question 22

if you suspected intra ocular foreign body, how would you test this

Answer 22

X ray

Question 23

which is the most dangerous type of chemical burn- acids or alkali

Answer 23

alkali

Question 24

can alkali burns penetrate into intra ocular structures

Answer 24

yes

Question 25

is acids easily penetrable in the eye?

Answer 25

noooo

Question 26

why does gimbal ischaemia occur

Answer 26

no blood supply to sclera

Question 27

what would be present in cornea vascualirsation

Answer 27

blood vessel formation into iris

Question 28

what should you do in managing a chemical injury

Answer 28

quick history, check Toxbase, Check pH, irrigate***** then use slit lamp

Question 29

what is the normal pressure that is in the yees

Answer 29

10-21