Ohio Rev. Code § 5109.15
Blind defined
November 25, 1969 House Bill 435 - 108th General Assembly As used in sections 5109.15 to 5109.18 , inclusive, of the Revised Code, "blind" means having either of the following limitations: (A) Vision twenty/two hundred or less in the better eye with proper correction; (B) Field defect in the better eye with proper correction which contracts the peripheral field so that the diameter of the visual field subtends an angle no greater than twenty degrees.