File:Snellen chart by Openclipart.svg - Wikimedia Commons

File:Snellen chart by Openclipart.svg - Wikimedia Commons

Caravel Vector for Free Download

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File:1606 Snellen Chart-02.jpg - Wikimedia Commons

Eye Chart Svg

Hera Vector for Free Download

Eye Chart Svg

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Snellen chart - Free healthcare and medical icons

Eye Chart Svg