20 ft: TZO (9 Line) Chart Housebrand Extended battery life - takes

Extended battery life - takes 15

6/3 equivalent)

so she's ready for whatever life throws her way

have the best acuity thresholds

muscular aches and minor arthritis

20 ft: TZO (9 Line) Chart Housebrand Extended battery life - takes(9" x 14") Snellen optotype chart for vision testing at 20 feet. Features two smaller groups 20 25 to 20 12. 5 for repetitive eye testing. May be wall mounted or used with illuminated cabinets (66003, 66004, 66016, 66090). Traditional Snellen optotypes have changed little throughout the years, are great for school vision screenings, and are used regularly today. These optotypes feature strong serifs in the letters C, D, E, F, L, O, P, T.