User's Manual

Table Of Contents
26 Vision Screener Operation Welch Allyn Spot Vision Screener
DRA
F
T
Understanding the Results
The figure below outlines the results screen and what it shows you:
1 Pupillary Distance
2 Pupil Size Indicator
3 Right Eye (OD), Left Eye (OS)
4 Complete refraction
SE - Spherical equivalent
DS - Sphere
DC – Cylinder
Axis – Axis
5Home
6 Cylinder Convention
7 Alignment Indicator
8 Degree, Horizontal, Vertical