LKC TECHNOLOGIES RETeval Device Quick Reference Manual

1. SET UP
1
Unpack device and press the power button
near the bottom right of the screen.
• TIP: Only press the power button
once shortly. Do not hold down.
2 Connect the RETeval adapter cable for
DIN electrodes as shown to the right
(cable towards the top of device).
The electrodes and supplies required for VEP testing are not included with
the RETeval device package. Please order the RETeval Flash VEP Electrode
®
& supply kit from your distributor or from LKC direct store.lkc.com.
2. CONFIGURE DEVICE FOR TESTING
1
Choose the testing protocol you'd like to use:
• Go to "Protocol" then "Change"
• Choose the protocol "ISCEV Flash VEP" from the list,
then press "Save"
• TIP: Candela protocols (ending in –cd.s/m
used with DILATED patients. Troland protocols (ending
in –td.s) can be used with either NON- DILATED or
DILATED patients.
2 Select "New Test" on the main menu.
3 Use the joystick
or patient data
barcode application
(www.lkc.com/
download)
to enter the patient
ID and birthdate.
4 Confirm that the protocol, patient
ID, and birthdate are correct. Select
"Next" to proceed, or select "Change
Protocol" to choose a different
protocol if needed.
5
Select the appropriate electrode.
Select gold cup if used, otherwise
select "Other".
VEP QUICK REFERENCE GUIDE
A1
L
) should be
2
ISCEV Flash VEP: 24 Td•s
73219872
2/29/72
Select electrode type
Disc
DTL
ERG-jet
Gold cup
Gold foil
Henkes
HK-loop
Other
3. PATIENT PREPARATION
1
Prior to beginning the test, the patient's eyes should NOT
be dark adapted.
2 The test should take place in a dimly lit room.
3
Clean the forehead in the middle and one earlobe using
NuPrep skin preparation gel.
4 Identify the Oz position, part the patients hair and clean
with a skin cleanser pad.
• For an adult with a normal-sized head, the Oz is
located about 2.5 cm above the inion on the midline.
• For children the Oz point is located on the midline,
10 % of the distance above the inion towards the nasion.
Nasion
Fz
Fp
Nasion
A2
Cz
01 02
Oz
Inion
4. CONNECT ELECTRODES
1 Connect the electrode as follows:
a Active recording electrode
Place the recording electrode to the identified Oz
position (positive).
• In case of a gold cup electrode, apply electrode
conductive adhesive gel inside the gold cup.
• Use this gel to separate the hair away from the
recording site; hair touching the gold cup electrode
adds noise to the signal.
Reference electrode
b
Place reference electrode on the forehead (usually an
ECG electrode with a ground reference lead attached).
c Ground electrode
Apply electrode gel to the ear clip and place it on the
earlobe.
b
Reference
Fp
electrode
position
A1
or
A2
2 The screen will present options prior to connecting
the electrodes to the RETeval adapter cable for DIN
electrodes. "Cancel" will cancel the entire test. "Done OD/
OS" will skip all tests of the specified eye. "Skip" allows the
user to skip current test step.
Questions? We are here for you. Send
us an email at support@lkc.com
+1(301) 840-1992
Cz
Oz
10 %
Inion
Alternate reference
electrode position
Cz
a
Oz
Plus
electrode
position
c
Ear clip
electrode
(ground)
or call