Results During the follow-up period of 6 to 12 months, 41 eyes healed well and both pyorrhea and epiphora had disappeared;1 eye improved and both pyorrhea and epiphora had decreased.

结6~12个月的随访发现，流症状消，道冲洗通畅，达到治愈标准41眼，流症状减轻，道冲洗通而不畅，达到好转标准1眼。