Hänisch K T, Neppert B, Geerling G
Klinik für Augenheilkunde, Campus Lübeck des Universitätsklinikums Schleswig-Holstein, Lübeck.
Ophthalmologe. 2005 Apr;102(4):387-92. doi: 10.1007/s00347-004-1101-6.
Due to their exclusive scleral contact zone, non-ventilated gas permeable scleral contact lenses can be used to correct extreme keratectasia, even if corneal fitted contact lenses failed previously. As the gap between the scleral lens and the cornea is filled with fluid substitutes, they also can be used for patients with severe aqueous-deficient dry eyes. PATIENTS, MATERIAL AND METHOD: Scleral lens fitting was attempted in 13 eyes (9 patients, group I) of patients with extreme corneal ectasia and 9 eyes (5 patients, group II) with severe ocular surface disease. Best corrected visual acuity, keratometry, Schirmer's test, foreign body sensation, and total daily lens wearing time were recorded prior to and after scleral lens fitting.
Scleral lenses were successfully fitted and used on a long-term basis in 6 of 13 eyes (4 patients) of group I and 4 of 9 eyes of group II. In 9 eyes visual acuity increased by at least 2 lines, but long-term lens wear was not possible due to severe foreign body sensation or fornix shortening.
Modern gas permeable scleral lenses can successfully be used for nonsurgical rehabilitation of severe corneal ectasia and dry eyes.
由于其独特的巩膜接触区，非透气的硬性透气巩膜接触镜可用于矫正极端圆锥角膜，即使先前角膜塑形接触镜矫正失败。由于巩膜镜与角膜之间的间隙填充有液体替代物，它们也可用于严重水液缺乏型干眼症患者。
患者、材料与方法：对9例极端圆锥角膜患者的13只眼（I组）和5例严重眼表疾病患者的9只眼（II组）尝试进行巩膜镜验配。记录巩膜镜验配前后的最佳矫正视力、角膜曲率测量、泪液分泌试验、异物感和每日总戴镜时间。
I组13只眼中的6只眼（4例患者）和II组9只眼中的4只眼成功验配并长期使用巩膜镜。9只眼的视力至少提高了2行，但由于严重的异物感或穹窿缩短，无法长期佩戴镜片。
现代透气性巩膜镜可成功用于严重圆锥角膜和干眼症的非手术康复。
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