A handy portable Near Vision 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. There is a 10-point Rating of Perceived Exertion (RPE) chart on the back for rating the difficulty of exercise or functional tasks.