bilateral peripheral neuropathybilateral lower extremity neuropathybilateral trigeminal neuropathybilateral sensory neuropathybilateral sciatic neuropathybilateral optic neuropathybilateral femoral neuropathybilateral sural neuropathybilateral foot neuropathybilateral ulnar neuropathybilateral ischemic optic neuropathybilateral sural sensory neuropathy