Relevant literature

Question 1

EOG- Who created the Arden ratio

Answer 1

1951 Erwin Marg- described and named

1962 Geoffrey Arden - clinical applications and derived the light rise ratio formerly known as Arden ratio (decided this was the most valuable)

Question 2

What is the unit for pupil size measurement

Answer 2

Trolands (the product of luminance (cd/m2) and pupil area (mm2)).[

Question 3

ISCEV standards- describe ERG as useful for

Answer 3

evaluating global retinal function

Question 4

Who discovered the first ERG

Swedish physiology A.H

Answer 4

It was recorded from amphibian retina in 1865 by the Swedish physiologist Alarik Frithiof Holmgren

Question 5

ISCEV standards- mFERG is useful as a

Answer 5

a topographic measure of retinal activity

Question 6

ISCEV standards- PERG amplitude compared to ERG

Answer 6

PERG is of relatively low amplitude compared with the ERG

Question 7

ISCEV limited VEP to —- protocols

Answer 7

3

Question 8

ISCEV- when should flash VEP be used

Answer 8

-poor optical quality
-poor cooperation
-poor vision makes the use of pattern stimulation inappropriate