Methods Twenty_one cases(23 eyes) with lacrimal puncta occlusion underwent lacrimal punctum reconstruction surgery with KTP_laser and collagen inplant was implanted.

• 方法对21例(23眼)泪点闭锁用KTP激光击通闭锁的泪点后,用显微平镊将可溶性胶原泪栓植入泪点内。