SPECTACULAR BLOG

Insight to trends, news and views!

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20/20 Vision and the Big E

September 6th, 2017|

How has this simple vision test evolved?

It is a staple in every optometrist office and we have all seen it.   The chart with the lines of letters topped with a big E was created back in 1862 by Dutch ophthalmologist Herman Snellen who developed the chart to measure visual acuity.  […]

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