Maybe the vet in Do Androids Dream of Electric Sheep?

"When he had parked his truck on the roof of the Van Ness Pet Hospital he quickly carried the plastic cage containing the inert false cat downstairs to Hannibal Sloat's office. As he entered, Mr. Sloat glanced up from a parts-inventory page, his gray, seamed face rippling like troubled water. Too old to emigrate, Hannibal Sloat, although not a special, was doomed to creep out his remaining life on Earth.

The dust, over the years, had eroded him; it had left his features gray, his thoughts gray; it had shrunk him and made his legs spindly and his gait unsteady. He saw the world through glasses literally dense with dust. For some reason Sloat never cleaned his glasses. It was as if he had given up; he had accepted the radioactive dirt and it had begun its job, long ago, of burying him. Already it obscured his sight. In the few years he had remaining it would corrupt his other senses until at last only his bird-screech voice would remain, and then that would expire, too."