Topcon CC-100XP - 10.7 Operation of Contrast Sensitivity Test Sequence

Topcon Europe Medical BV Instruction Manual CC-100XP/ CV-5000PC 31/42
10.7 Operation of the Contrast Sensitivity Test sequence
Button to
press
Large Bitmap Patient response buttons
Either of these 10 buttons can
be pressed after the patient’s
response
Next Step
Direction is random
When patient
response is correct:
next level. When
incorrect: different
chart at same
contrast level
Correct
response
Next contrast level
Direction is random
When patient
response is correct:
next level. When
incorrect: previous
level
Incorrect
response
Previous contrast level
Direction is random
When patient
response is correct:
next level. When
incorrect: different
chart at same
contrast level
When contrast level =
100.00; same level next
chart
When contrast level <