Microsurgery is a general term for surgery requiring an operating microscope. It can take time to master use of an operating microscope. Use of an operating microscope or other magnification may improve outcomes. Using an operating microscope for replantatation is termed microvascular replantation. George was the first physician to use an operating microscope in delicate ear surgery. Micro-TESE, or microdissection testicular sperm extraction, includes the use of an operating microscope. Gradually the operating microscope began to be used for ear operations. In MISS the operating microscope rather than magnifying glasses should be used by the surgeon.