Protective coating allows washing or cleaning with alcohol without any damage to chart faces. FRONT Acuity range: 20/320, 6/95 to 20/10, 6/3 equiv. Pupil gauge (mm) and response key printed on card Includes Letter Size, Decimal, Meter and foot equivalents Size Increments = 0.1 LOG UNITS BACK MassVAT format Acuity range: 20/160, 6/48 to 20/10, 6/3 equiv. mm and in. ruler printed on card Includes Letter Size, Decimal, Meter and foot equivalents Size Increments = 0.1 LOG UNITS HOTV Optotypes can be used for testing preliterate children and illiterate patients. HOTV optotypes are easily recognizable and can be taught quickly. Also, this HOTV pocket card features a MassVat design. This design is great for testing children and a great screener for Amblyopia.
