File:Landolt ring 0.png - Wikimedia Commons
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File:Landolt ring 0.png - Wikimedia Commons
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![Landolt ring - Stock Illustration [95367683] - PIXTA](https://t.pimg.jp/095/367/683/1/95367683.jpg "Landolt ring - Stock Illustration [95367683] - PIXTA")
Landolt ring - Stock Illustration [95367683] - PIXTA
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192 Landolt Rings Images, Stock Photos & Vectors | Shutterstock
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![Landolt's ring (visual acuity test) Eye... - Stock Photo [47748089] - PIXTA](https://en.pimg.jp/047/748/089/1/47748089.jpg "Landolt's ring (visual acuity test) Eye... - Stock Photo [47748089] - PIXTA")
Landolt's ring (visual acuity test) Eye... - Stock Photo [47748089] - PIXTA
SUMMARY OF TESTS (C86002)
Free Vectors | Landolt ring icon
