Share this credible answer with others. Simply paste this code into your blog or Web page:
A pioneer in physiological optics and author of a Treatise on Physiological Optics (1867; tr., 3 vol., 1924-25), he extended Thomas Young's theory of color vision, explained the mechanism of lens accommodation in the eye, and invented (1851) the ophthalmoscope.
|
Answer verified with
|
HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.