Hello, what you want to ask is what is the difference between personalized femtosecond Alcon and Hermes? The difference between personalized femtosecond Alcon and Hermes is that it is not an industry. Personalized Femtosecond Alcon is the largest professional company of ophthalmic drugs and medical devices in the world, mainly engaged in the research, development, production and marketing of ophthalmic drugs, ophthalmic surgical equipment and instruments, and contact lens related care products. Hermes is a famous brand of high-end goods, such as leather products, saddles, silk and textiles, women's and men's clothing and jewelry. The difference between the two is that it is not an industry.