Introduction to ophthalmology Flashcards Preview

Ophthalmology > Introduction to ophthalmology > Flashcards

Flashcards in Introduction to ophthalmology Deck (12):
1

Where is the posterior segment of the eye?

Posterior to posterior surface of lens

2

Where is the anterior segment of the eye?

Anterior to vitreous humour

3

Where is the posterior chamber of the eye?

between the iris and lens

4

Where is the anterior chamber of the eye?

in front of the iris

5

What is the fornix of the eye?

When the conjunctiva reflects around superiorly and inferiorly this is called the fornix

6

What type of cells line the anterior surface of the cornea?

stratified

squamous

nonkeratinising epithelium

7

How can you differentiate between retinal arteries and veins?

the larger (1.5-2x) vessels (darker) are the veins

the paler thinner vessels are the arteries

8

What is used to test colour vision?

Ishihara plates

9

What are the features of conjunctivitis?

is not painful, more uncomfortable

there should NOT be corneal involvement.

Redness - The borders of the sclera can be very red and this usually originates from the edges of the eyes to centrally

10

What are the symptoms of herpes simplex keratitis?

generally painful

corneal and limbus involvement

very red

11

What can be used to visualise things in the cornea?

Fluorescein dye

12

What can happen with untreated Herpes simplex keratitis?

Corneal opacity with vascularisation