He has cataracts and is almost entirely blind -LRB- which has severely impaired his reading ability and has led to repeated revokings of his driver 's license -RRB- , and has used medical marijuana .

He has cataracts and is almost completely blind -LRB- which has messed up his reading ability and has led to revokings of his driver 's license over and over -RRB- and has used medical marijuana .
