With many thanks to Professor Emad Adel Aziz, owner of La Vida Vision Optical Company, for his high professionalism and extreme integrity in dealing with customers in terms of providing technical advice for all types of sunglasses and medical, and manufacturing and installing all types of medical lenses with high technicality, especially the latest types of Progressive Lenses in the Egyptian market, As I had lost hope of getting such lenses in Egypt,With my best wishes for more success and to continue to provide the latest technology in this field.NS. Amr Maher