Scatterings
Scientists Image Rods in the Living Eye
New research demonstrates a way to image tiny but important light receptors in the living eye.
(Left) The smallest cones at the center of the retina (the fovea). (Right) The large bright dots with a dark ring around them are cones, and the surrounding (and far more abundant) smaller spots are rods.
Nearly 95 percent of the photoreceptors in our eyes are rods, the 2-µm-diameter cells that sense low levels of light. New research at the University of Rochester (N.Y., U.S.A.) demonstrates a way to image these tiny but important receptors in the living eye (Biomed. Opt. Express 2, 1864, 2011; doi:10.1364/BOE.2.001864).
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