From abc news:
When David Diehl, a third-generation family farmer, became a paraplegic five days after an autoimmune condition attacked his spinal cord in 1991, he began driving his tractor and combine using rails and his hands. When his doctor diagnosed multiple sclerosis in 1998, he made adjustments. When the MS left him blind in his left eye in 2000, he relied on faith and family to move beyond it. Read full article here.