MODEL RELEASED. Contact lens testing. Technician electronically measuring the power of a soft contact lens after manufacture,as part of quality control. The soft plastic lens (at lower left) will be used to help correct vision defects such as long- or short-sightedness. The lens' power is measured to accurately match the severity of the patient's condition | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Deep Light Productions |
Taille de l’image : | 4244 px × 3560 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |