Search:optogram -> OPTOGRAM
optogram
o p t o g r a m hex:#111;#112;#116;#111;#103;#114;#97;#109;
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- Optogram - n. - An image of external objects fixed on the retina by the photochemical action of light on the visual purple. See Optography.
- Optography - n. - The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The object so photographed shows white on a purple or red background. See Visual purple, under Visual.