File:Snellen-myopia.png
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Snellen-myopia.png (640 × 368 pixels, file size: 99 KB, MIME type: image/png)
Summary[edit]
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Impression of a Snellen chart as seen with varying amounts of refractive error |
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Permission (Reusing this file) |
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 amounts of refractive error, is copyright ©2004 Daniel P. B. Smith and released under the terms of the Wikipedia copyright.
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Licensing[edit]
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.
GFDL GNU Free Documentation License //en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License |
| This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. This licensing tag was added to this file as part of the GFDL licensing update. Cc-by-sa-3.0Attribution-ShareAlike 3.0https://creativecommons.org/licenses/by-sa/3.0/ |
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:13, 1 August 2004 | 640 × 368 (99 KB) | Dpbsmith (talk | contribs) | Impression of Snellen chart as seen with varying amounts of refractive error |
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