The HOTV MassVat Distance Screening Book contains eight spiral-bound pages including notations for testing at 3m. The acuity range covered is 12m to 4.8m (20/80, 6/24 to 20/32, 6/9.5 equiv.). Response key included. Supplied card measures 8.25 x 25.4 cm. The HOTV MassVat Distance Screening Book contains eight spiral-bound pages including notations for testing at 3m. The acuity range covered is 12m to 4.8m (20/80, 6/24 to 20/32, 6/9.5 equiv.). Response key included. Supplied card measures 8.25 x 25.4 cm. The HOTV MassVat Distance Screening Book contains eight spiral-bound pages including notations for testing at 3m. The acuity range covered is 12m to 4.8m (20/80, 6/24 to 20/32, 6/9.5 equiv.). Response key included. Supplied card measures 8.25 x 25.4 cm. The HOTV MassVat Distance Screening Book contains eight spiral-bound pages including notations for testing at 3m. The acuity range covered is 12m to 4.8m (20/80, 6/24 to 20/32, 6/9.5 equiv.). Response key included. Supplied card measures 8.25 x 25.4 cm. The HOTV MassVat Distance Screening Book contains eight spiral-bound pages including notations for testing at 3m. The acuity range covered is 12m to 4.8m (20/80, 6/24 to 20/32, 6/9.5 equiv.). Response key included. Supplied card measures 8.25 x 25.4 cm. The HOTV MassVat Distance Screening Book contains eight spiral-bound pages including notations for testing at 3m. The acuity range covered is 12m to 4.8m (20/80, 6/24 to 20/32, 6/9.5 equiv.). Response key included. Supplied card measures 8.25 x 25.4 cm.