10 ft: Wide Spaced Symbol (9 Line) Chart SF25 so all you have to

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New reading lock feature allows practitioner to lock in systolic and diastolic values during measurement

Wall-mount hardware included

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10 ft: Wide Spaced Symbol (9 Line) Chart SF25 so all you have to(9" x 14") Patti Pic optotype chart for vision testing at 10 feet. Features wide, fixed spacing allowing the use of a mask (included) to isolate optotypes for individual presentation. May be wall mounted or used with illuminated cabinets (66003, 66004, 66016, 66090). Patti Pics optotype features symbols that are calibrated to Sloan standards. This helps create a more accurate testing record and provides a genuine acuity history when testing young