Glaucoma

Question 1

Optic nerve cupping

Answer 1

The optic nerve is extremely sensitive to increased intraocular pressure. With glaucoma, the optic nerve will lose myelin and will be displaced posteriorly, displaying a cupped appearance.

Question 2

Buphthalmos

Answer 2

Enlargement of the globe. The only common cause for buphthalmosis glaucoma

Question 3

Haab’s striae

Answer 3

Fractures of Descemet’s membrane that occur secondary to buphthalmos and stretching of the globe. They can be seen as subtle white streaks coursing across the cornea.

Question 4

Goniodysgenesis

Answer 4

Refers to an abnormal iridocornealangle conformation in which the angle is narrowed or closed. Sheets of abnormal tissue often coat the iridocornealangle with goniodysgenesis

Question 5

Gonioscopy

Answer 5

The use of a goniolens, applied to the surface of the eye which allows light to bend into the iridocornealangle and facilitates examination

Question 6

Gonioscopy

Answer 6

The use of a goniolens, applied to the surface of the eye which allows light to bend into the iridocorneal angle and facilitates examination