The dispensing of ametropia corrective lenses by an optician is subject to the presentation or verification of the existence of a medical or orthoptic prescription for these products.
The medical prescription is valid for :
-one year, for patients under the age of 16 ;
-five years, for patients aged between 16 and 42;
-three years, for patients aged over 42.
The orthoptic prescription is valid for two years.
A copy of this prescription, where applicable modified in accordance with article R. 4342-8-1, is kept by the optician until the expiry of its validity, unless the patient objects, and the original is kept by the patient.