Perception

Question 1

How do we measure dark adaptation

Answer 1

Ascending limits

Question 2

The Teller and broken wheel aquity card for kids is what type of test

Answer 2

Fixed choice

Question 3

Threshold

Answer 3

Ability to detect half the time
on forced choice this = 75% bc between 50 and 100%

Question 4

sensitivity

Answer 4

Ability to detect those with the disease

Question 5

specificity

Answer 5

Those able to detect those without the disease

Question 6

method used for VF (automated)

Answer 6

Stairstep method

Question 7

Peak sensitivity of photopic luminous efficiency

Answer 7

555 nm
Max 680 lumens/watt

Question 8

Peak scotopic sensitivity function

Answer 8

507 nm
Max 1700 lumens/watt

Question 9

Illuminance

Answer 9

Light striking upon a source

Question 10

neutral density filter transmits what

Answer 10

equally reducing all light

Question 11

Lambert surface scatters light how..

Answer 11

Equally

Question 12

which filter allows short wavelengths through

Answer 12

broad band

Question 13

Lamberts surface luminance vs illuminance

Answer 13

Linear (if E is doubled then L is doubled when L = RE)