As early as 1962 a ruby laser welded a detached retina to a patient's eyeball to save their vision.
早在1962年，一台红宝石激光器将病人脱落的视网膜与眼球重新连接，使他恢复了视力。
2
You accidently stare at a helium-argon laser, lose one turn and a retina.
你一不小心直视氦氩激光，暂停一轮并失去一只眼睛的视网膜。
3
Objective to evaluate the treatment effect of using the double frequency Laser 532 to treat the pathological changes of retina due to diabetes before proliferation.