Noguchi Santaro, Nakakura Shunsuke, Noguchi Asuka, Tabuchi Hitoshi
Department of Ophthalmology, Saneikai Tsukazaki Hospital, Himeji 671-1227, Japan.
J Clin Med. 2023 Feb 24;12(5):1815. doi: 10.3390/jcm12051815.
The aim of this study was to analyze the refraction and iris capture tendency regarding the fixation position with respect to the intrascleral fixation (ISF) of intraocular lenses. Consecutive patients who underwent ISF 1.5 mm (ISF 1.5, 45 eyes) and 2.0 mm (ISF 2.0, 55 eyes) from the corneal limbus with NX60, as well as those who underwent normal phacoemulsification with in-the-bag ZCB00V (ZCB, 50 eyes), were enrolled. The anterior chamber depth (post-op ACD), the estimated ACD when using the SRK/T (post-op ACD-predicted ACD), and the refractive error (post-op MRSE, and the predicted MRSE) were all calculated. In addition, the postoperative iris capture was also investigated. The post-op MRSE-predicted MRSE values were: -0.59, 0.02, and 0.00 D (ISF 1.5, ISF 2.0, and ZCB) ( < 0.05, between ISF 1.5 vs. ISF 2.0 and ZCB); the post-op ACD values were: 4.00, 4.17, and 4.29 mm ( < 0.05, ISF 1.5 vs. ZCB); and the post-op ACD-predicted ACD values were: -2.03, -1.98, and -1.60 mm ( < 0.05, between ZCB vs. ISF 1.5 and ISF 2.0). The iris capture occurred in four eyes with regard to ISF 1.5 and three eyes with ISF 2.0 ( = 0.52). Moreover, ISF 2.0 possessed 0.6D hyperopia and 0.17 mm deeper anterior chamber depth. The refractive error of ISF 2.0 was less than that of ISF 1.5. Lastly, no significant iris capture onset was noted between ISF 1.5 mm and 2.0 mm.
本研究旨在分析人工晶状体巩膜内固定（ISF）时，注视位置与屈光及虹膜捕获倾向之间的关系。纳入连续的患者，其中接受距角膜缘1.5 mm的ISF（ISF 1.5组，45眼）和2.0 mm的ISF（ISF 2.0组，55眼）并使用NX60，以及接受正常囊袋内植入ZCB00V的白内障超声乳化术的患者（ZCB组，50眼）。计算前房深度（术后ACD）、使用SRK/T公式时的预估ACD（术后ACD-预估ACD）以及屈光不正（术后平均绝对屈光误差，以及预估平均绝对屈光误差）。此外，还对术后虹膜捕获情况进行了研究。术后平均绝对屈光误差-预估平均绝对屈光误差值分别为：-0.59、0.02和0.00 D（ISF 1.5组、ISF 2.0组和ZCB组）（ISF 1.5组与ISF 2.0组及ZCB组之间，P<0.05）；术后ACD值分别为：4.00、4.17和4.29 mm（ISF 1.5组与ZCB组之间，P<0.05）；术后ACD-预估ACD值分别为：-2.03、-1.98和-1.60 mm（ZCB组与ISF 1.5组及ISF 2.0组之间，P<0.05）。ISF 1.5组有4眼发生虹膜捕获，ISF 2.0组有3眼发生虹膜捕获（P=0.52）。此外，ISF 2.0组有0.6 D的远视及前房深度加深0.17 mm。ISF 2.0组的屈光不正小于ISF 1.5组。最后，ISF 1.5 mm与2.0 mm之间未观察到明显的虹膜捕获起始差异。
