Image:Snellen-myopia.png

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Snellen-myopia.png‎ (99KB, MIME type: image/png)

Impression of Snellen chart as seen with varying amounts of refractive error

The Snellen chart itself is believed to be in the public domain. This image, showing a Snellen chart rendered with varying amounts of blur corresponding roughly to the visual experience of viewing it with different amonts of refractive error, is copyright ©2004 Daniel P. B. Smith and released under the terms of the Wikipedia copyright.


GFDL

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Subject to disclaimers.

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