Monday, February 19, 2018

19 February 18

How is your vision today? The man who designed the famous eye test chart, Herman Snellen, was born on this date in 1834. And here's your trivia-bit for today: Since its inception, more copies of the Snellen Chart have been sold in the United States than any other poster. (Wikipedia, citing an article in the Seattle Times from 9 August 1995.)

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