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1 janv. 1909 - 1909 Danish ophthalmologist Marius Tscherning develops theory of best form lenses

Ajouté au bande de temps:

The development of optometry through the ages

ByChristian Pot
10 avr. 2021
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766

Date:

1 janv. 1909
Maintenaint
~ Il y a 116 ans
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