While 20% of pre-operation myopia diopters were ablate on the corneal flap and 80% of it were ablate on the corneal stroma.

• 方法制作以角膜鼻侧或颞侧为蒂部的角膜瓣，角膜瓣翻转后将20%25拟矫正手术量切削在角膜瓣基质面，80%25手术量切削于角膜基质床。