YAG laser, one of the new corea focus debridement, has many advantages of security, accuracy reliability, and efficiency, and it can destroy the pathogen in focus to some extent.

• YAG激光作为一种新的角膜病灶清除方式具有安全、准确、可靠、高效等优点,并可能对病灶内的病原体有一定的物理破坏作用。