Digit Eyes (The Diginoir Quadrilogy)
by Timothy Linnomme
Welcome to a unique sort of personal hell tempered by human malevolence at its worst...
When you are profoundly blind, your cares are as minimal as the limited opportunities you have but Isaiah Roberts has learned to live with his disability...most of the time.
When a research facility reveres Josef Mengele as a visionary versu a monster, it is almost guaranteed that something bad will happen...