 Unfortunately, I think it is unlikely that his speed of movement will improve to a level that he will be able to pass a driver's safety evaluation, however, occasionally patients surprise me by improving enough over 9 to 12 months that they are able to pass such a test. 
Unfortunately , I think it is unlikely that his speed of movement will improve to a level that he will be able to pass a driver 's safety evaluation , however , occasionally patients surprise me by improving enough over 9 to 12 months that they are able to pass such a test .