Femtosecond flap LASIK: semi-femtosecond laser, femtosecond laser as corneal flap, excimer laser to eliminate corneal stroma.

Full femtosecond laser with flap: excimer laser and corneal lamellar knife are removed, corneal flap is made with femtosecond laser, corneal matrix is eliminated with femtosecond laser, and the operation process is completed with femtosecond laser.

Flapless full femtosecond laser: the highest level of laser myopia surgery, the corneal incision is less than 4 mm, the cornea is preserved to the greatest extent, the postoperative visual quality is perfect, and various symptoms are avoided. The surgical procedure is also completed by femtosecond laser.

All-femtosecond laser myopia surgery with and without petals can only be completed by Zeiss femtosecond laser in Germany, and other brands of femtosecond lasers can only do femtosecond LASIK with petals. Pay attention to identification.