Description
Ergonomic Design
Front side of eye chart features pediatric symbols in proportionally spaced lines (ETDRS format) for monocular (testing one eye with the other eye occluded) and binocular (testing both eyes simultaneously) visual acuity testing or screening
aberrations and coma
BM 900 and BD 900
making it comfortable and perfectly balanced
Rechargeable Handle 3.5V Adult Ergonomic DesignManufacturer Part Number: 71670 Features: Accepts all Welch Allyn 3. 5v instrument heads. Recharges in the Welch Allyn desk charger and numerous stand consoles and well chargers. Well balanced , light weight, and rests comfortably in the hand. Adjustable rheostat controls light intensity. Long lasting rechargeable nickel cadmium battery included. Smooth, non abrasive knurled finish ensures a no slip grip. Chrome plated brass construction provides