Norn M S
Acta Ophthalmol (Copenh). 1981 Aug;59(4):587-94. doi: 10.1111/j.1755-3768.1981.tb08346.x.
In 221 consecutive cataract extractions the peroperative epithelial damage was assessed by vital staining with 1% lissamine green, using logarithmic grading (grade 5 more than 10 000 stained dots) on cornea and on the superior, medial, lateral, and inferior conjunctiva. Evenly spread dots were seen on the cornea in 63 per cent of the eyes not subjected to protective treatment. In 35 per cent we observed staining caused by taut suturing of cornea and/or conjunctiva, in 10 per cent horizontal lines due to corneal bending during the extraction. The cornea was protected most effectively by healon (1% instilled once). Saline (4 or 5 instillations during the operation sufficed) protected equally well as gelatin sponge, methylcellulose, polyvinyl alcohol, and a soft contact lens. The inferior conjunctiva was protected only by healon, the superior also by saline, gelatin sponge, and polyvinyl alcohol.
在221例连续性白内障摘除术中，通过用1%丽丝胺绿进行活体染色，采用对数分级法（5级为角膜及上、内、外、下结膜染色点超过10000个）评估术中上皮损伤情况。在未接受保护性处理的眼中，63%的角膜出现了均匀分布的染色点。35%的情况是观察到角膜和/或结膜缝合过紧导致的染色，10%是由于摘除过程中角膜弯曲出现的水平线状染色。透明质酸钠（1%，滴注一次）对角膜的保护效果最佳。生理盐水（术中滴注4或5次即可）与明胶海绵、甲基纤维素、聚乙烯醇和软性接触镜的保护效果相当。下结膜仅能通过透明质酸钠得到保护，上结膜还可通过生理盐水、明胶海绵和聚乙烯醇得到保护。
