Colour blindness test chart, illustration. People with good colour vision can see the letters DAD, while those who have acquired abnormal colour vision or abnormal purple vision cannot. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Bildgröße: | 4461 px × 3134 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |