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临床上所见眼球萎缩或眼球摘除术后不能镶入义眼,大多由于结膜收缩或因外伤促成的下穹窿变浅。另一部分患者因装用质量欠佳的义眼,久后使组织收缩,下穹窿变浅。矫正方法,对于结膜缺损重者往往需行粘膜或皮肤移植,以加深下穹窿。对于结膜缺损不重或仅因组织变形造成的下弯窿变浅,本院自1962年采用简易下穹窿重建术共26例,均获满意效果。兹将手术方法介绍如下: 结膜囊底部注射普鲁卡因使结膜隆起,在其中央作一水平切开接近内外眦部。用剪刀分离下方结膜至眶下缘,分离中避免损伤眶膈,以免脂肪脱出(图1)。
See clinically atrophy or enucleation of the eye can not be inserted in the sense of the eye, mostly due to conjunctival contraction or due to traumatic lower fornix shallow. Another part of the patients due to the installation of poor quality of the eye, the organization shrinks a long time, under the dome becomes shallow. Correction method, for severe cases of conjunctival defects often require mucosal or skin grafts to deepen the next fornix. Conjunctival defect is not heavy or only due to deformation caused by the lower curvature of the shallow hole, the hospital since 1962, a total of 26 cases of simple inferior vault reconstruction, were satisfactory results. The surgical methods are introduced as follows: The bottom of the conjunctival sac injection of procaine bulge conjunctiva, at its center for a horizontal incision close to the Department of internal and external canthus. Use scissors to separate the lower conjunctiva to the infraorbital margin, and avoid separation of the orbital septum to prevent fat from escaping (Figure 1).