Chrome penlight with Pupil Gauge

Runs on one 3V Lithium battery (included)

Last reading memory

gel toothpaste is already applied to the bristles

14 Line SLOAN Folding Letter Chart Promo Chrome penlight with Pupil Gauge(18" x 18" to 18" x 9") Sloan optotype chart for vision testing at 10 feet. Features two smaller groups 7. 5 m to 1. 5 m for repetitive testing (20 50, 6 15 to 20 10, 6 3 equivalent). Chart may be hand held or wall mounted. This Sloan folding letter chart is a combination of many highly calibrated and accurate vision tests. It incorporates traditional Sloan optotypes with an ETDRS format to help establish a constant and equal acuity object from