Abstract
A dual-beam reflectometer has been built for measuring the reflectance of a small spot on the ocular fundus. This spot, variable in diameter from 0.3 mm to 3 mm, can be located precisely in the fundus, and both the spot and a large area of the fundus can be observed during measurement. The reflectance is measured simultaneously for six wavelengths, in the region 4500–8000 Å, by using a rotating disk provided with interference filters. The time variations in reflectance of the spot are displayed on a recorder in logarithmic units.
© 1972 Optical Society of America
Full Article | PDF ArticleMore Like This
François C. Delori and Kent P. Pflibsen
Appl. Opt. 28(6) 1061-1077 (1989)
Yoshihisa Aizu, Kouji Ogino, Toshiaki Sugita, Tetsuya Yamamoto, Nobukatsu Takai, and Toshimitsu Asakura
Appl. Opt. 31(16) 3020-3029 (1992)
Kent P. Pflibsen, François C. Delori, Oleg Pomerantzeff, and Michail M. Pankratov
Appl. Opt. 28(6) 1084-1096 (1989)