8. Methods group A, conjunctival sac instillation of 5.0%PVP-I, assessed by means of specular microscopy and corneal pachymetry;

• 方法A组；结膜囊内滴入5.；0%25PVP-I；镜面非接触型角膜内皮镜显微镜和超声角膜测厚仪进行内皮损伤评估;收藏指正