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Pupilometer
CX-8
Operating Instructions
(Revised 10/22/14)
PRACTICAL SYSTEMS, INC.
11617 Prospect Road • Odessa, FL 33556
(800) 237-8154 • Fax (800) 330-3800
www.LookToPSI.com
OPERATING INSTRUCTIONS
MODEL CX-8 PUPILOMETER
PSI’s digital Pupilometer is used to measure patient’s intraocular pupil distances. This instrument
is compact and light weight with an easy to read digital display. It offers many features such as
a memory lock , simultaneous viewing of monocular and binocular readings as well as near and
far distance calculations from just one reading. This pupilometer measures PD’s from 45-82mm.
WARNING: Never attempt to operate this instrument before you have thoroughly read and understand all the instructions. Keep this users manual on hand and review it frequently to ensure
continued proper operation.
Recommendations
• Thisisaprecisioninstrument.Avoidstoringorusingitinareaswerethereisexcessiveheator
cold.
• Avoidplacingthemachineindirectsunlight.
• Usingchemicalstocleanthepupilometermaycausedamage.
• Donotdisassembleanypartoftheunitexceptthepartsthatareexplainedinthismanual.Doing
so will void all warranties.
• Removethebatterieswhentheunitisnotinuseforalongperiodoftime.
• UseonlyqualityalkalineAAbatteries.
• Storethepupilometerflatonthebacksidewiththebrowbarraised.
• Wipethenoserestandbrowbaraftereveryuse.
Specifications
DataRange:
BinocularPD45-82mm
Monocular PD 22.5 - 41mm
MeasurementIncrements:
0.5mm
TargetDistance:
30cm-∞
PowerSupply:
4AABatteries
AutoShutOff:
1minute
Size:
8-1/2”x 6”x 2”
214mmx150mmx51mm
Weight:
1.5 lbs. / 0.6kg
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Components
5
3
4
7
6
8
9
1
2
1. PupilometerBody
2. Practitioner’s Eyepiece
3. DigitalDisplay
4. On/OffSwitch
5. RightEyeControlButton-MovesverticalPDline(toptotheleft,bottomtotheright)
6.LeftEyeControlButton-MovesverticalPDline(toptotheright,bottomtotheleft)
7. BIN-Binocular/MonocularSettingButton
8. MEM - Memory Lock, locks in the last reading
9. TDIS–TargetDistanceSelectionButton–30cm-∞
Other Components Not Shown:
11. BrowBar
12. NoseRest–locatedonoppositeendofthepupilometerfrom#2
13. PatientViewWindows–locatedonoppositeendofthepupilometerfrom#2
14. VerticalPDLines–seenthroughthePractitioner’sEyepiece
15. TargetRedical–thegreenlightorbull’s-eye,seenthroughthePatientViewWindows
16. BatteryCompartments–locatedontheundersideofthepupilometer,oneonthe
leftandoneontheright.Eachcompartmentholds2AAbatteries(4total).
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Operation
Beforeusingthepupilometer,reviewtheinstrumentcomponentsonthepreviouspage.Makesure
batteries are installed and are in operating order.
1. TurnthepupilometeronbypressingtheON/OFFbutton.
2. SelectatargetdistancebypressingtheTDISbutton.Optionsare30,35,40,50,65,1m,2mand
∞. The setting is viewed on the lower portion of the digital display.
3. SelectthebinocularormonocularsettingusingtheBINbutton.Optionsincludeleft(L),right(R)
andbinocular(BIN).Thesettingisviewedonthelowerrighthandcornerofthedigitaldisplay.
4. Instruct the patient to hold the pupilometer up to their eyes the same way they would binoculars.
Make sure the brow bar is resting against the patient’s forehead and their nose is on the nose
rest.
5. InstructthepatienttostareattheRedicalorGreenBull’s-eyethroughtheviewwindows.
6. Usingtheleftandrighteyecontrolbuttons,slidetheverticalPDlinesoverthepatient’sretinal
reflections.(Thepinpointoflightlocatedinsidethepupil).
7. Press the MEM button to store the readings.
8. Transfer the readings onto the patient’s records.
9. Select other PD measurements desired by pressing the TDIS button. The pupilometer will
automatically calculate the patient’s PDs at all other distances.
Settings Adjustment
You can change the brightness of the interior light and how long the display remains on before
powering off by following the directions below.
1. PresstheON/OFFbuttonandturnonthepupilometer.
2. PresstheMEMbutton20timesuntilthescreenshows“---–––---”.
3. PresstheTDISbuttononcetoenterthesettingmode.
4. To Change LED Brightness-PresstheRightEyeControlButtontoadjustbrightnessupand
down..5isthedimmestand8.0thebrightest.
5. To Change Automatic Power Off-PresstheLeftEyeControlButtontoadjustthetimerup
anddownfrom1/2minute(.5)to3minutes(3.0)inhalfminuteintervals.
6. Oncesettingshavebeenselected,presstheMEMbuttontosavethevalues.Thescreenwill
onceagainshow“---–––---”.
7. PresstheON/OFFbuttontoturnoffthepupilometer.Thenturnitbackontoutilizethenew
settings.
Contact PSI at 800-237-8154 or 727-376-7900,
if you have any questions or problems with your machine.
Thank you for Looking To PSI.
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