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Technical specifications – Welch Allyn SureSight Autorefractor - User Manual User Manual

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Technical Specifications

Technology:

Welch Allyn proprietary autorefractor hardware/
algorithm

Working distance:

14 inches (35 cm.)

Distance detection:

Automatic, with audible and visual cues

Eyepiece:

Illuminated target for easy aiming

Data acquisition time:

2.4s/eye

Data acquisition:

Measures and averages 5 to 8 readings/eye

Measurement Range:

Sphere: +5.5 to -5.0 Diopters

Cylinder: +/- 3 Diopters

Reliability measure:

Indicates number of and variation among
measurements for the given eye

Diopter display:

1/8 or 1/4 diopter increments

Axis:

1° increments

Stand:

Compact charger and SureSight storage

Weight:

Approximately 2.0 lbs. (0.9 Kg.)

Dimensions:

6.5” x 7.75” x 2”

Interfaces:

Remote infrared link to thermal printer.

RS-232 interface for IBM compatible PC for future
software upgrades/data transfer to electronic
medical records.

Laser safety:

Class 1 Laser Product per CDRH 21CFR 1040.10 and
1040.11, IEC 60825-1:2001

The maximum output of the laser radiation not to
exceed 33

W at a wavelength of 785 nm.