Opthalmology

Question 1

Name 8 possible characterisitcs of a painful eye.

Answer 1

Epiphora

Ptosis

Miosis

Photophobia

Blepharospasm

Enophthalmus

Chemosis

Question 2

Define chemosis.

Answer 2

Swelling of the conjuctiva.

Question 3

Define Entropion.

Answer 3

‘turned-in’ eyelid

Question 4

Define Enopthalmus.

Answer 4

eye ball deep in socket

Question 5

Define Blepharospasm.

Answer 5

squeezing / closure of eyelids

Question 6

Define Photobobia.

Answer 6

blinking in and aviodance of light.

Question 7

Define Miosis

Answer 7

constricted pupil (one or both eyes).

Question 8

Define Ptosis

Answer 8

‘drooping’ eye lashes

Question 9

Define Eiphora / discharge

Answer 9

increased / abnormal fluid coming from the eye.

Question 10

Define Phthisis bulbi.

Answer 10

Small and shrunken eye.

Question 11

What is the treatment for a melting ulcer?

Answer 11

In-hospital treatment.

Sub-palpebral lavage system

Frequent bactericidal antibiotics (q 1-2hours)

Atropine as required (q 4-6 hrs)

Anticollagenases (EDTA, autologous serum)

Close monitoring

Surgical options

• debridement of melting ulcers and stromal abscesses
• grafting (several techniques)
• temporary tarsorraphies
• enucleation

Question 12

What is the function of the choroid in the eye?

Answer 12

The choroid supplies the outer retina with nutrients, and maintains the temperature and volume of the eye.

Question 13

What is the function of the two functions of the ciliary body?

Answer 13

1. Produces aqueous fluid which maintains the shape of the eye.
2. Contains the ciliary muscle which changes the shape of the lens when your eyes focus on a near object.