Word: brightness
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Dates: during 1940-1949
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...take the wheel during a moonlight drive. And the factory worker who tries to relax while squinting tearfully into the ocean glare may, as a result, have an accident at the work bench more than a week later. The effects of overexposure to bright sunlight last longer than most people realize...
Last week, Dr. Peckham reported on follow-up studies made during two summers with lifeguards at Atlantic City. What he found convinced him that overexposure of the eyes to bright sunlight creates an alarming problem...
...darker the better." Manufacturers are satisfied if their glasses cut out one-third of the light rays; some ophthalmologists now suggest cutting out as much as 80% to 90%. (The Navy issued some sunglasses which cut out 88%.) Dark glasses need not make it harder to see objects in bright light; they may help when much of the light is unnecessary. Advertising boasts of filtering out "harmful rays," says Dr. Peckham, are meaningless. Under ordinary conditions, he continues, infrared and ultraviolet rays, both invisible, make little difference; visible rays are the ones that do the damage...
...Bright light bleaches the visual purple, a pigment in the retina which is needed for vision in dim light. Overexposure slows the retina's power to restore the purple when needed...
...year was 1882, a riotous time in the history of the evangelical army. In a way it was a day of victory for the Generals Booth and their followers. Statesman John Bright later wrote Catherine: "The people who mobbed you would doubtless have mobbed the apostles. Your faith and patience will prevail...