Category: Vision
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Vision Correction and Proprioception
Vision correction affects proprioception: objects in focus are not where they appear to be. Apparently, only some people—perhaps especially those with an impaired cerebellum, such as myself—are particularly sensitive to this 3D shift—i.e., the discrepancy between where an object actually is vs. where the cerebellum computes the object to be based on what the distorted…
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Playing the Piano
I started playing the piano at about age nine. At ages eleven and twelve, I won two small, local, age-graded piano competitions. Though I had some talent, I was by no means gifted, and I spent my adult life continuing to play the piano and face my limitations. I have played classical music, from 18th-century…
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Double Vision
The root cause of my main vision problems is ophthalmoparesis (sluggishness and weakness of the eye muscles via loss of muscular control via degradation of the cerebellum) caused by having SCA3, and I know my vision problems are not fixable. In 2013 at age 45, I made a concerted effort to improve my vision, involving…
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What Is Balance?
Balance is the ability to maintain one’s center of mass without falling over. Whether standing, walking, running, riding a bicycle, on a gymnast’s balance beam, etc., this is done using one’s: Vestibulo-ocular reflex a.k.a. VOR (i.e., inner ears and vision) Proprioception (i.e., the sense of one’s own physical orientation) Physical coordination All of these involve…