Ishihara colour plates are used to check for colour blindness during a regular optometry exam. The colour blind patient is unable to see the number. Regular eye exams are important in detecting visual problems at an early stage. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / MEDICIMAGE |
Bildgröße: | 3851 px × 3425 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |