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.
Growing eyes are changing eyes. LASIK, commonly referred to as laser vision correction, is a procedure meant for those who have a stable prescription. A patientâs eye prescription should be stable for at least one year prior to surgery. Until youâve stopped growing and changing, you arenât a good candidate for LASIK.