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Transmission Of The Ocular Media

Report Number: MRL TDR 62-34
Author: Boettner, E. A.
Author: Wolter, J. R.
Corporate Author: Michigan Univ Ann Arbor
Laboratory: Life Support Systems Laboratory
Date of Publication: 1962-05
Pages: 49
Contract: AF 33(616)-6847
Project: 6301
Task: 630103
AD Number: AD0283100

The spectral transmittance of ultraviolet, visible, and near infrared light through the ocular media of humans has been measured. Using freshly enucleated eyes, the transmittances of each component part (cornea, aqueous humor, lens, vitreous humor) were determined for the wavelength range from 0.22 to 2.8 microns. To date 9 eyes have been measured, ranging in age from 4 weeks to 75 years. Two types of measurements were made: the first to measure the total light transmitted (direct and scattered) at each wavelength and the second to measure the percent transmittance of that light passing directly through the various media without absorption or scattering. The results show that: (a) the transmission of ultraviolet radiation decreases with the age of the eye; (b) the transmission of infrared radiation appears to be independent of the age; and (c) the maximum total transmittance of the whole eye, about 81 percent, is obtained in the region from 600 to 850 millimicrons.

Lockheed Martin Missiles & Fire Control
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