Phoropter,abstract coloured image. This device,also known as an optical refractor,is an instrument used by eye doctors to determine the prescription for a patient's glasses to correct their vision | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Berman, Larry |
Taille de l’image : | 3323 px × 2678 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |