After an evening in front of the neighbors' television set, guests should sit for at least 20 minutes in a darkened room before driving home. This friendly tip to the audience was offered last week by Dr. John C. Neill of Philadelphia's Pennsylvania State College of Optometry. Reporting .on a year-long study of TV's effect on the eyes, Dr. Neill concluded that the human eye becomes so light-adapted in the glare of the television screen that it suffers up to a 40% loss in night vision.
Optometrist Neill also reached some slightly more alarming conclusions on the recreational hazards of television viewers....
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