File:Ishihara 9.png

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

Description	Ishihara 9.png Ishihara Plate 9
Date	Unknown
Source	Unknown
Author	Unknown

Licensing

This file is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Colour blindness

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Horizontal resolution	118.11 dpc
Vertical resolution	118.11 dpc

Wikipedia for Schools...

Learning is fun and easy with Schools Wikipedia. Thanks to SOS Childrens Villages, 62,000 children are enjoying a happy childhood, with a healthy, prosperous future ahead of them. Have you heard about child sponsorship? Learn more...