Method: 38 patients with cataracts were emulsified by using non cut pupillary dilation cystotome or diathermic high freguency capsulorrhexis.

• 方法:应用非切开瞳孔牵拉扩张法及部分下方瞳孔缘括约肌剪断法原位超声乳化碎核等技术对38例小瞳孔白内障行超声乳化。