For some, glasses may be best for night driving

November 15, 2010 2:26:20 PM PST
Multifocal lenses that are growing in popularity for Baby Boomers may not be ideal for nighttime driving.

That's the finding of a new study that determined people who wear them have more difficulty driving at night than those who wear glasses. These lenses correct presbyopia. It's a condition that becomes more common with age.

The study found volunteers ages 45 to 64 who wore multifocal lenses drove significantly slower at night, were less able to recognize road hazards, and had to be closer to road signs to read them.

The study appears in the journal Investigative Ophthalmology and Visual Science.


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