Lasers%20for%20eye%20treatment%20The%20laser%20was%20invented%20in%201960,%20and%20in%201961%20this%20laser%20(Ruby)%20was%20used%20by%20eye%20doctors.
https://www.powershow.com/view1/7ab7a-ZDc1Z/Lasers_20for_20eye_20treatment_20The_20laser_20was_20invented_20in_201960_20and_20in_201961_20this_20laser_20_Ruby_20was_20used_20by_20eye_20doctors_powerpoint_ppt_presentation
Icons create by Freepik from www.flaticon.com/