Welch Allyn VS100 Welch Allyn Vision Screener - User Manual - Manual (Page 24)

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General
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The vision screener model VS100 will be referred to as The Vision Screener.
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This vision screener DFU document is valid for software version 2.1.4.
• The external power supply/charger supplied is a Class I equipment and the vision screener is also
a Class I equipment when connected to the external power supply/charger.
• The vision screener is internally powered by equipment (battery) when not connected to the
external power supply/charger.
• Protection against electric shock, no applied part.
• The vision screener is rated IPX0 and thus not protected from the ingress of water.
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The vision screener does not require sterilization or disinfection. DO NOT use cleaners that
contain organic solvents to clean the vision screener’s housing or front glass. For stubborn dirt,
try using a soft cloth with a small amount of water or a non-abrasive cleaner.
• The vision screener is not suitable for use in the presence of a flammable anesthetic mixture with
air or with oxygen or nitrous oxide.
• The vision screener is suitable for continuous operation.
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The vision screener quickly and easily detects vision issues across all age groups starting at 6
months.
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The vision screener helps ensure children have an opportunity to reach their full potential.
Designed to work as easily with toddlers as with teenagers; the device provides reliable data in
seconds. With the vision screener, educators, healthcare professionals, and charitable
organizations can now confidently assess eyesight for all ages. The vision screener is powered by
sophisticated technology that quickly detects the indication of the following vision issues:
o Myopia (Near-sightedness)
o Hyperopia (Far-sightedness)
o Anisometropia (Unequal refractive power)
o Astigmatism (Blurred vision, eye structure problem)
o Anisocoria (Pupil size deviations)
o Strabismus (Eye misalignment, Gaze)
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In just seconds, the vision screener provides a comprehensive, reliable analysis that enables
informed decision making about the need for care with a vision specialist.
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Welch Allyn suggests a battery replacement, at an appointed Welch Allyn repair facility, every 2.5
years at the owner’s expense. The vision screener regular maintenance consists of wiping dust or
dirt off the front glass surface and the LCD display as needed.