To look after or care for someone medically; to attend to a patient or monitor their condition (used in medical or care contexts).
看護師が夜間、病室の患者を看て回った。
The nurse checked on the patients in the ward during the night.
外科医は手術後の経過を注意深く看ている。
The surgeon is carefully monitoring the postoperative progress.
年寄りを一人で看るのは体力も必要だ。
Caring for an elderly person alone requires physical strength as well.