MODEL RELEASED. Eye examination. Optician using a phoropter to examine a woman's eyes. This device is used to measure the refractive error in the eyes and to determine an individual's lens prescription. A refractive error is an error in the focusing of light by the eye,which is one of the causes of a reduction in visual sharpness | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Thomas, Mark |
Bildgröße: | 4168 px × 2848 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |