Cryosurgery is a general stream of surgery that involves frigid temperatures to destroy the injured or damaged tissues at the site of surgery. Generally, the procedure uses liquid nitrogen or argon gas for the treatment. In optometry, cryotherapy uses a transmission probe to freeze small spots around the retina to form pinpoint scars to reduce the impacts of damage and strengthen t... https://www.thinkeyehospitals.com/services/cryosurgery-for-retina