Five minutes before operations,we applied the 0.4% oxybuprocaine hydrochloride opthalmic solution (Benoxil Solution) by letting two drops fall directly into their conjunctival sacs.

• 于术前5开始结膜囊内滴入0.；4%25盐酸丁氧普鲁卡因眼液(表麻滴瞳液)。