Welch-allyn SureSight Vision Screener - User Manual User Manual

4341 State Street RoadSkaneateles Falls, NY 13153-0220140300-1 Rev. A

6Homologations ETL : UL 2601-1, CSA C22.2, No 601.1 et IEC 60601-1, AS3200.1, IEC 60601-1-2Obedece la norma australiana EMC FrameworkLa marque CE appl

7Technical SpecificationsTechnology: Welch Allyn proprietary autorefractor hardware/algorithmWorking distance: 14 inches (35 cm.)Distance detection: A

8Laser safety: Class 1 Laser Product per CDRH 21CFR 1040.10 and 1040.11, IEC 825-1 (1996) pending and EN60825-1 (1996) pendingPatents: US 6,007,204 an

9Function and Intended ApplicationThank you for purchasing the Welch Allyn SureSight™ Vision Screener. Please read and follow the instructions found

10SureSight™That’s why Welch Allyn created SureSight™, the first objective, accurate vision test that ensures reliable early detection of refractive e

11SureSight Display, Controls, and Features“Right” eye fieldSphere(see glossary)Cylinder(see glossary)Differencebetween the eyesChild/adult calibratio

12Charging Jack ReceptacleReceptacle for RS232 ConnectionBattery CompartmentFixation LEDsDistance SensorIR link to printer

13First Time Set-UpStand• Insert right angle connector into stand• Optional: Two strips of hook and loop fasteners are provided on the stand. Attach

14ControlsThe buttons on the back of the instrument function as follows:The instrument will turn off when unused for 1 minute. Any button pressed on

15Test Procedure:• Push the “GO” button on the unit • Check that the patient is fixated correctly throughout the test.• Position the unit at the corre

16Important Operating TipsTo insure accurate results and quick tests:• Ambient Lighting:- Don’t perform by uncovered windows- Dimmed light can help fo

17ResultsReliability Number indicates the number of good readings obtained and their consistency, based on a 1 to 9 scale (higher numbers are better).

18Approximate Relationship of Sphere to Visual Acuity00Ages 5-15Referral CriteriaReadings outside the normal limits should be confirmed prior to refer

19• S – Sphere: Negative numbers are representative of myopia, or near-sightedness. Myopia is when distant images are blurry resulting from too much

20Plus or Minus Cylinder ConventionDifferent eye care providers express astigmatism in different forms. Ophthalmologists typically express it in plus

21Replacement and Recycling of BatteryReplacing the Battery1) Open the battery cover located on the underside of the unit by sliding it in the directi

22Recycling Lithium Ion BatteryWelch Allyn now employs the services of an agency which can disassemble and recycle all components of rechargeable batt

23Hand Strap Replacement1) Position the unit so that the hand strap is facing up and the battery door com-partment is toward you.2) Push the hand stra

24Service, Calibration, and Warranty InformationThe serial number is located on a label inside the battery door.WarrantySureSight InstrumentWelch Ally

25Service and WarrantyFor customers in North America, please return instruments requiring service to Welch Allyn Technical Service Department listed b

Table of ContentsWarnings & Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Mises en garde et symboles . . . . . . . . . . .

26AppendixGlossary of TermsAmblyopia: An uncorrectable marked loss of visual acuity in one eye; “lazy-eye”. Causes of amblyopia include: refractive

4341 State Street RoadSkaneateles Falls, NY 13153-0220

Hand Strap Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 23Cleaning and Sterilization of the SureSight . . . . . . . . . . . . 23Se

1Warnings & SymbolsATTENTION: Refer to the operating instructions. This symbol ( ) is intended to advise the user of the presence of important o

2Do not attempt to connect the positive and negative battery terminals to each other, nor to any other device.“Caution” - use of controls or adjustmen

3Australia EMC Framework ComplianceThe CE mark on this device indicates that it has been tested and conforms to the provisions noted within the 93/42/

4Mises en garde et symbolesATTENTION : Consulter le mode d'emploi. Ce symbole ( ) signale à l’utilisateur la présence de renseignements importa

5Ne pas essayer de souder directement sur le bloc-batterie.Ne pas essayer de relier les bornes positive et négative l'une à l'autre, ou à d&