Colour blindness test chart, illustration. People with good colour vision can see the number 816, while those with protanopia, or red-green colour blindness, cannot. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Bildgröße: | 4369 px × 3200 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |