Mikhail Mikhailowitsch Woinow
Mikhail Mikhailowitsch Woinow, surname sometimes spelled as Voinov was an ophthalmologist from the Russian Empire who worked Austrian Empire and later in Germany.
He served as an assistant to Hermann von Helmholtz and Otto Becker at the University of Heidelberg and to Carl Ferdinand von Arlt in Vienna. Later he established an ophthalmologic practice in Moscow, where he also gave lectures at the university.
In Vienna he conducted pioneer ophthalmometric research with August Leopold von Reuss that included studies of corneal astigmatism following cataract extraction. The two men are credited as the first to describe exact ophthalmometric observations on "wound astigmatism". In addition to work in ophthalmometry, Woinow published a number of papers on subjects such as ametropia, the blind spot, binocular vision, color vision, accommodation, etc.