PV Numbers™ Non-Reflective Translucent Distance Chart

PV Numbers™ Non-Reflective Translucent Distance Chart Description:

PV Numbers Non-Reflective Translucent Distance charts are calibrated comparatively to the Patti Pics® series charts: on the basis of the 5x5 Snellen grid and calibrated for equal recognizability against Sloan letters. Even illiterate adults can often recognize numbers. Deaf or mute adults can indicate the number seen with simple finger signs.

Features:

• Notations for vision testing at 10 ft.
• Acuity range 19M to 1.2M (20/125, 6/38 to 20/8, 6/2.4 equiv.)
• Two smaller groups 4.8M to 1.2M for repetitive testing (20/32, 6/9.5 to 20/8, 6/2.4 equiv.)
• Can be wall mounted
• Eye chart measures 23 X 35.5 cm (9 X 14 in.)