Notwithstanding the provisions of Article L. 5211-5 , the following shall be determined by decree:
1° The rules governing practice and, where necessary, equipment ;
2° The conditions of validity of the medical prescription referred to in the first paragraph of article L. 4362-10;
3° The conditions for the adaptations provided for in the second to fourth paragraphs of article L. 4362-10 and the period during which they may be carried out. This period may vary according to the age or state of health of the patient;
4° The conditions under which the optician may issue replacement equipment in the event of loss or breakage of corrective lenses and the procedures for informing the prescribing doctor.