Welch Allyn Spot Vision Screener Conversion Chart. The spot vision screener is a handheld, portable device designed to help users quickly and easily detect vision issues on patients from 6 months of age through adult.
The spot vision screener is a handheld, portable device designed to help users quickly and easily detect vision issues on patients from 6 months of age through adult.
The Spot Vision Screener Is A Handheld, Portable Device Designed To Help Users Quickly And Easily Detect Vision Issues On Patients From 6 Months Of Age Through Adult.