File:Red Apple 2 - Flickr - Andreas Kollegger.jpg
Original file (2,592 × 1,944 pixels, file size: 1.44 MB, MIME type: image/jpeg)
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Summary
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| Description |
When people are red-green colorblind, it means that there is something wrong with one of their cones. Cones are located in the retina, and allow people to see different colors. Cones are also sometimes known as photopigments. Photopigments are sensitive to three different color groups. They are long wavelengths (red), medium wavelengths (green) and short wavelengths (blue). People who are red-green colorblind base their color vision on three different photopigments. These three different photopigments come from only two of the photopigment groups though. The technical term describing people who base their color vision on three different photopigments from two photopigment groups is: anomalous trichromat. Colorblindness is very easily diagnosed with the use of special pictures that blend colors. If the shapes in the picture can be seen, then the child is not colorblind. If one or more of the shapes cannot be seen, further testing is necessary to determine the degree to which the child is colorblind. Are you red-green colorblind? Look here: www.toledo-bend.com/colorblind/Ishihara.html ... then tell me what you see. |
| Date | Taken on 16 May 2006, 20:21 |
| Source | Red Apple 2 |
| Author | Andreas Kollegger from Baltimore |
| Flickr tags | macro, apple, red, green, canon, ps2is, colorblind, still |
Licensing
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- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by Andreas Kollegger at https://flickr.com/photos/18672081@N00/147883143. It was reviewed on 4 July 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:55, 4 July 2020 | | 2,592 × 1,944 (1.44 MB) | Red panda bot (talk | contribs) | In Flickr Explore: 2006-05-16 |
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