Skeeter alerted me to an eyesight problem when I realized there were times when I had to navigate precisely while scooting. I found myself dealing with my deliberate mono–vision by closing one eye in order to gauge available distance. How much space was between Earl's car and my car, and between the telephone pole and the edge of the sidewalk? How much asphalt before the road dropped off into dirt? It was like my old "contact lens" days when one lens isn't in–blurry around the edge (not exactly double vision) . Hmm, cataracts (at that time in life) , diminishing acuity (OK, predictable... ) , Ataxia (a typical symptom for some people) ? Around 1993, I had radial keratotomy (RK) after years of wearing contact lenses or coke bottle glasses for being legally blind. The surgeons gave me one eye for reading and one for distance (mono–vision) . It was a good solution for someone in the 40s. But, as I aged, the difference between the eyes was too significant.
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