The Welch Allyn SureSight Vision Screener is the first objective, accurate vision test that ensures reliable early detection of refractive error, the primary vision disorder in children.
Lights and sounds engage the patient's attention. Requires minimal cooperation, making it ideal for use on young children, the disabled, and in situations with a language barrier. Screens for common vision problems, including near and farsightedness, astigmatism and anisometropia. Compact, lightweight 2.0 pound unit can be easily carried anywhere.
Data Acquisition:Measures and averages 5 to 8 readings/eyeData Acquisition Time: 2.4 s/eye
Measurement Range: Sphere .0 to -5.0 diopters. Cylinder 3 diopters
Working Distance: 14 inches (35 cm)
Battery Life: More than 3 hours of continuous usage
Low-battery Indicator: Indicates ~ 15 minutes usage remains
Technology: Welch Allyn proprietary Hartmann Shach autorefractor hardware/algorithm
RS-232 port for future software upgrades and for interfacing with electronic medical records