adjective, sourer, sourest. 1. having an acid taste, resembling that of vinegar, lemon juice, etc.; tart. 2. rendered acid or affected by fermentation; fermented. 3. producing the one of the four basic taste sensations that is not bitter, salt, or sweet. 4. characteristic of something fermented: a sour smell.
General anesthetics normally are used to produce loss of consciousness before and during surgery. However, for obstetrics (labor and delivery) or certain minor procedures, an anesthetic may be given in small amounts to relieve anxiety or pain without causing unconsciousness.
MAC is typically used in conjunction with topical and/or local anesthesia for cataract removal. This combination is the most common form of anesthesia used today in cataract surgery. General Anesthesia. General anesthesia is rarely used today for cataract surgery. However, in patients who suffer from dementia, claustrophobia, or mental retardation, or who are unable to remain still for the duration of surgery, general anesthesia may still be used.