Font sizes used in Snellen chart when viewed at 20 feet and adapted

Download Table | Font sizes used in Snellen chart when viewed at 20 feet and adapted font sizes for viewing underwater display at 40 cm. from publication: Determining the appropriate font size, and use of colour and contrast for underwater displays | Color | ResearchGate, the professional network for scientists.

Printed font Size Correlated with Visual Acuity from a Distance of 40cm.

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