Word: toed
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
Dr. Robert H. Peckham, of Philadelphia's Temple University, got on the track of these findings during the war. As a Navy commander, he helped pick men for night-flying, spotting and gunnery duty. Servicemen at sea, or on sun-drenched coral islands, had to wear dark glasses in...
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.
Individuals vary widely, Dr. Peckham found, but on an average, sensitivity to light at night is reduced by more than one-third after a day at the beach without sunglasses; in some cases it is reduced by nine-tenths. The loss in sensitivity cuts down night vision in a "logarithmic...
In the past, doctors have disagreed as to how long vision is impaired by the sun's glare. Dr. Peckham found from his studies with lifeguards that much of the effect wears off overnight, but in most people some effect persists for two or three days, and in some...
To prevent both discomfort and danger, Dr. Peckham advises, wear proper sunglasses-"the 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...