Seamans first noticed his vision problem three and a half years ago when his vision became less distinct. He has been tentatively diagnosed with Stargardt's disease, an inherited degenerative disease of the retina for which there is no known cure or treatment. As his vision has deteriorated, Seamans has had to adjust. In February, he gave up driving and began taking the bus to the campus. It is difficult for him to connect students' names and faces, and it is only with effort that he can read typewritten or printed material.
Seamans can no longer lecture from notes but relies on memory.
Seamans, who is 63, would like to continue teaching until he is 70.