10 ft: Wide Spaced Symbol (9 Line) Chart SNS Exclusive Sting Relief provides temporary relief

Sting Relief provides temporary relief from pain and itching caused by insect stings and bites

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10 ft: Wide Spaced Symbol (9 Line) Chart SNS Exclusive Sting Relief provides temporary relief(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