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. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / MEDICIMAGE |
Taille de l’image : | 3851 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |