Full femtosecond, without making corneal flap first, the machine directly scans two corneal stroma layers with different depths to form an integral convex lens-like corneal tissue. Then the doctor used instruments to separate the lens from the corneal stroma, and after taking out the corneal tissue of the lens, the operation was completed.
All-femtosecond surgery requires myopia and astigmatism, and not everyone can do it. Compared with semi-femtosecond, full femtosecond needs to cut more corneal tissue with the same degree and different methods, but at present, full femtosecond can not do personalized surgery. Full femtosecond because there is no corneal flap, the incision is only 2 mm, which is safer.
ICL intraocular lens is a kind of soft intraocular lens, which is another innovative scientific and technological achievement in the field of modern ophthalmic refractive correction. It can be placed in a safe area in front of the human lens, and its thickness is only about 50 microns, which is thinner than the diameter of hair. Postoperative vision is better than wearing frame glasses, contact lenses and other refractive correction techniques on the cornea. It can be used to correct a wide range of myopia, hyperopia and astigmatism without removing or destroying corneal tissue and suture after operation. At the same time, it can achieve predictable refractive correction and excellent visual quality.