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September 24, 2025

The Risks of Buying Low Quality Equipment

In this article, we want to highlight our concerns about the use of low-quality and unproven equipment in clinical trials ...

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Snellen

#Snellen
March 21, 2014

Snellen Eye Test Charts Interpretation

Snellen designed his optotypes on a 5×5 grid, on which the line thickness is one unit and the letter width and ...
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Measuring Snellen Visual Acuity

Measuring Snellen Visual Acuity Snellen designed his optotypes on a 5×5 grid, on which the line thickness is one unit and the ...
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Snellen Eye Chart – a Description and Explanation

Snellen Eye Chart Snapshot What Dr. Herman Snellen did for the field of vision testing is comparable to what the ...