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An article elsewhere in this issue from an Aerospace Medical Center reminds me of ophthalmology's expanding interests in an expanding universe. Along with problems of protection against proton bombardment and ultraviolet exposure, space travelers will have an ophthalmic problem in protection against the intense visual and near infrared radiation of the sun.
The energy in this portion of the spectrum is readily transmitted through the transparent media of the eye and focused sharply at the level of the retina. Eclipse blindness has long been known to result from such concentration of energy on the macula. A few years ago interest in the subject was heightened by the discovery that a number of persons and test rabbits developed chorioretinal burns resulting from the Nevada explosions, and this at a distance of 40 miles! Now we are told that astronauts will, by reason of proximity to the sun and absence of filtration
C. DG. Aerospace Problems. Arch Ophthalmol. 1962;67(5):546. doi:10.1001/archopht.1962.00960020546002