LKC TECHNOLOGIES RETeval - Page 45

RETeval Complete Option
RET eval Device User Manual 44
ISCEV 5 step, dark adapted first, cd
Description
Eye
Flash luminance energy
(0.33, 0.33 white)
Background luminance
(0.33, 0.33 white)
#
flashes
Dark adaptation timer
Both
Off
Off
Dark adapted 0.01 ERG
Right
0.01 cd·s/m² @ 0.5 Hz
Off
9
Dark adapted 3.0 ERG
Right
3 cd·s/m² @ 0.1 Hz
Off
5
Dark adapted 0.01 ERG
Left
0.01 cd·s/m² @ 0.5 Hz
Off
9
Dark adapted 3.0 ERG
Left
3 cd·s/m² @ 0.1 Hz
Off
5
Light adaptation timer
Right
Off
30 cd/m²
Light adapted 3.0 ERG
Right
3 cd·s/m² @ 2 Hz
30 cd/m²
30
Light adapted 3.0 flicker ERG
Right
3 cd·s/m² @ 28.3 Hz
30 cd/m²
141 –
424
Light adaptation timer
Left
Off
30 cd/m²
Light adapted 3.0 ERG
Left
3 cd·s/m² @ 2 Hz
30 cd/m²
30
Light adapted 3.0 flicker ERG
Left
3 cd·s/m² @ 28.3 Hz
30 cd/m²
141 –
424
The next four protocols are similar to the ISCEV 5/6 step protocols above, except pupil-tracking
is used to provide constant retinal illuminance, making pupil dilation optional. A 6 mm pupil was
assumed to convert the ISCEV standard dilated luminances to Trolands.
ISCEV 6 step, light adapted first, Td
Description
Eye
Flash luminance energy
(0.33, 0.33 white)
Background luminance
(0.33, 0.33 white)
#
flashes
Light adapted 85 Td·s ERG
Right
85 Td·s @ 2 Hz
848 Td
30
Light adapted 85 Td·s flicker
ERG
Right
85 Td·s @ 28.3 Hz
848 Td
141 –
424
Light adapted 85 Td·s ERG
Left
85 Td·s @ 2 Hz
848 Td
30
Light adapted 85 Td·s flicker
ERG
Left
85 Td·s @ 28.3 Hz
848 Td
141 –
424
Dark adaptation timer
Both
Off
Off
Dark adapted 0.28 Td·s
ERG
Right
0.28 Td·s @ 0.5 Hz
Off
9
Dark adapted 85 Td·s ERG
Right
85 Td·s @ 0.1 Hz
Off
5
Dark adapted 280 Td·s ERG
Right
280 Td·s @ 0.05 Hz
Off
5
Dark adapted 0.28 Td·s
ERG
Left
0.28 Td·s @ 0.5 Hz
Off
9
Dark adapted 85 Td·s ERG
Left
85 Td·s @ 0.1 Hz
Off
5
Dark adapted 280 Td·s ERG
Left
280 Td·s @ 0.05 Hz
Off
5