Colour blindness test chart, illustration. People with good colour vision can see the letters U and X, while those who have tritanopia will see only X, and those with deuteranopia will see only U. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Bildgröße: | 3718 px × 3760 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |