Effective Magnification Acuity Chart777500
The EMAG Chart allows for easy determination of the starting dioptric power needed to read standard size print. The chart is used at 10" (25 cm) with a +4.00 add and gives the doctor or technician an uncomplicated approach for incorporating Low Vision in their practice. Acuity lines range from 20/400 to newspaper size print. The chart comes with instructions and has an attached measuring cord that ensures proper testing distance.
Dimensions: 15.5" x 12" (39.37 cm x 30.48 cm).Click here for the 777500 Guide.