Sputum, or phlegm, is a mixture of saliva and mucus that youâve coughed up. Blood-tinged sputum occurs when the sputum has visible streaks of blood in it. The blood comes from somewhere inside of your body, either from along the respiratory tract or digestive system. The respiratory tract includes the: mouth. throat.
LASIK surgery is a type of refractive eye surgery. During the procedure, an eye surgeon creates a flap in the cornea, and then uses a laser to reshape the cornea and correct focusing problems in the eye.
What To Expect After Surgery. LASIK is an outpatient procedure. It is done under local anesthesia in a surgeon's office or a same-day surgery center. The operation on one eye takes about 10 to 15 minutes. The entire process usually takes less than 2 hours, including preparation time, care right after the surgery, and paperwork.