We investigated the effects of 30% low-concentration nitrous oxide (N 2 O) anesthesia on anxiety, pain, and vital signs and the patient population that would benefit from low-concentration N 2 O anesthesia during cataract surgery. Patients and Methods: Sixty-three patients who underwent cataract surgery due to visual impairment from cataracts were included in this single-center retrospective cohort study conducted at the
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