Rosenbaum Pocket Vision Screener
A handy portable card with many uses. Has 20/800 to 20/20 at 14 inches. Also lists Jaeger and point scales of print. Has a pupil gauge from 2 to 9 mm. Has inch and metric rulers. Washable flexible plastic.
Graham-Field Rosenbaum RPS 6.375" x 3.5" Pocket Numbers, Letters, Tumbling "E" Pocket Vision Screener 14 inches