{"title":"植入式准分子晶体植入术后,前角膜和全角膜上与切口相关的散光。","authors":"Ruoyan Wei, Shengtao Liu, Mingrui Cheng, Feng Lin, Xiaoying Wang, Xingtao Zhou","doi":"10.4103/IJO.IJO_631_24","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate incision-related astigmatism (IRA) on the anterior and total cornea after implantable collamer lens (ICL) implantation through superior and temporal corneal incisions.</p><p><strong>Methods: </strong>The retrospective study included 141 eyes of 80 consecutive patients who underwent ICL implantation. An ocular examination was performed preoperatively and at 1 and 6 months postoperatively. The magnitude and axis of corneal astigmatism were assessed with keratometry (AstigK) and total corneal refractive power (TCRP, AstigTCRP) using a Scheimpflug camera, while the IRA obtained from keratometry (IRAK) and TCRP (IRATCRP) were evaluated using vector analysis.</p><p><strong>Results: </strong>At 6 months, AstigK significantly decreased from 1.45 ± 0.72 D to 1.15 ± 0.75 D in the superior incision group, whereas it increased from 1.70 ± 0.74 D to 1.88 ± 0.79 D in the temporal incision group (both P < 0.001). AstigTCRP significantly decreased from 1.32 ± 0.74 D to 1.09 ± 0.80 D in the superior incision group, while it increased from 1.61 ± 0.78 D to 1.83 ± 0.86 D in the temporal incision group (both P < 0.001). IRAK was 0.55 ± 0.30 D and 0.35 ± 0.25 D in the superior and temporal incision groups, respectively, while IRATCRP was 0.50 ± 0.28 D and 0.40 ± 0.26 D in the superior and temporal incision groups, respectively. IRAK was larger in the superior incision group than in the temporal incision group for both low- (P = 0.009) and high-astigmatism (P = 0.017).</p><p><strong>Conclusions: </strong>Incisions in ICL surgery cause corneal flattening in the meridian of the incision. The superior incision had a greater IRAK compared to the temporal incision.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"72 Suppl 5","pages":"S741-S745"},"PeriodicalIF":2.1000,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Incision-related astigmatism on the anterior and total cornea after implantable collamer lens implantation.\",\"authors\":\"Ruoyan Wei, Shengtao Liu, Mingrui Cheng, Feng Lin, Xiaoying Wang, Xingtao Zhou\",\"doi\":\"10.4103/IJO.IJO_631_24\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Purpose: </strong>To evaluate incision-related astigmatism (IRA) on the anterior and total cornea after implantable collamer lens (ICL) implantation through superior and temporal corneal incisions.</p><p><strong>Methods: </strong>The retrospective study included 141 eyes of 80 consecutive patients who underwent ICL implantation. An ocular examination was performed preoperatively and at 1 and 6 months postoperatively. The magnitude and axis of corneal astigmatism were assessed with keratometry (AstigK) and total corneal refractive power (TCRP, AstigTCRP) using a Scheimpflug camera, while the IRA obtained from keratometry (IRAK) and TCRP (IRATCRP) were evaluated using vector analysis.</p><p><strong>Results: </strong>At 6 months, AstigK significantly decreased from 1.45 ± 0.72 D to 1.15 ± 0.75 D in the superior incision group, whereas it increased from 1.70 ± 0.74 D to 1.88 ± 0.79 D in the temporal incision group (both P < 0.001). AstigTCRP significantly decreased from 1.32 ± 0.74 D to 1.09 ± 0.80 D in the superior incision group, while it increased from 1.61 ± 0.78 D to 1.83 ± 0.86 D in the temporal incision group (both P < 0.001). IRAK was 0.55 ± 0.30 D and 0.35 ± 0.25 D in the superior and temporal incision groups, respectively, while IRATCRP was 0.50 ± 0.28 D and 0.40 ± 0.26 D in the superior and temporal incision groups, respectively. IRAK was larger in the superior incision group than in the temporal incision group for both low- (P = 0.009) and high-astigmatism (P = 0.017).</p><p><strong>Conclusions: </strong>Incisions in ICL surgery cause corneal flattening in the meridian of the incision. The superior incision had a greater IRAK compared to the temporal incision.</p>\",\"PeriodicalId\":13329,\"journal\":{\"name\":\"Indian Journal of Ophthalmology\",\"volume\":\"72 Suppl 5\",\"pages\":\"S741-S745\"},\"PeriodicalIF\":2.1000,\"publicationDate\":\"2024-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Indian Journal of Ophthalmology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.4103/IJO.IJO_631_24\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/10/25 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q2\",\"JCRName\":\"OPHTHALMOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Indian Journal of Ophthalmology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.4103/IJO.IJO_631_24","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/10/25 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"OPHTHALMOLOGY","Score":null,"Total":0}
引用次数: 0
摘要
目的:评估通过角膜上切口和颞切口植入可植入性角膜塑形镜(ICL)后前角膜和全角膜上切口相关散光(IRA)的情况:这项回顾性研究包括 80 名连续接受 ICL 植入术的患者的 141 只眼睛。术前、术后 1 个月和 6 个月进行了眼部检查。使用 Scheimpflug 相机,通过角膜曲率计(AstigK)和总角膜屈光力(TCRP,AstigTCRP)评估角膜散光的大小和轴线,同时使用向量分析评估角膜曲率计(IRAK)和总角膜屈光力(IRATCRP):6 个月时,上切口组的 AstigK 从 1.45 ± 0.72 D 显著下降到 1.15 ± 0.75 D,而颞切口组则从 1.70 ± 0.74 D 上升到 1.88 ± 0.79 D(P 均<0.001)。上切口组的 AstigTCRP 从 1.32 ± 0.74 D 显着下降至 1.09 ± 0.80 D,而颞切口组则从 1.61 ± 0.78 D 上升至 1.83 ± 0.86 D(均 P < 0.001)。上切口组和颞切口组的 IRAK 分别为 0.55 ± 0.30 D 和 0.35 ± 0.25 D,而上切口组和颞切口组的 IRATCRP 分别为 0.50 ± 0.28 D 和 0.40 ± 0.26 D。对于低散光(P = 0.009)和高散光(P = 0.017),上切口组的 IRAK 均大于颞切口组:结论:ICL手术中的切口会导致切口经线上的角膜变平。结论:ICL手术中的切口会导致切口经线上的角膜变平,与颞切口相比,上切口的IRAK更大。
Incision-related astigmatism on the anterior and total cornea after implantable collamer lens implantation.
Purpose: To evaluate incision-related astigmatism (IRA) on the anterior and total cornea after implantable collamer lens (ICL) implantation through superior and temporal corneal incisions.
Methods: The retrospective study included 141 eyes of 80 consecutive patients who underwent ICL implantation. An ocular examination was performed preoperatively and at 1 and 6 months postoperatively. The magnitude and axis of corneal astigmatism were assessed with keratometry (AstigK) and total corneal refractive power (TCRP, AstigTCRP) using a Scheimpflug camera, while the IRA obtained from keratometry (IRAK) and TCRP (IRATCRP) were evaluated using vector analysis.
Results: At 6 months, AstigK significantly decreased from 1.45 ± 0.72 D to 1.15 ± 0.75 D in the superior incision group, whereas it increased from 1.70 ± 0.74 D to 1.88 ± 0.79 D in the temporal incision group (both P < 0.001). AstigTCRP significantly decreased from 1.32 ± 0.74 D to 1.09 ± 0.80 D in the superior incision group, while it increased from 1.61 ± 0.78 D to 1.83 ± 0.86 D in the temporal incision group (both P < 0.001). IRAK was 0.55 ± 0.30 D and 0.35 ± 0.25 D in the superior and temporal incision groups, respectively, while IRATCRP was 0.50 ± 0.28 D and 0.40 ± 0.26 D in the superior and temporal incision groups, respectively. IRAK was larger in the superior incision group than in the temporal incision group for both low- (P = 0.009) and high-astigmatism (P = 0.017).
Conclusions: Incisions in ICL surgery cause corneal flattening in the meridian of the incision. The superior incision had a greater IRAK compared to the temporal incision.
期刊介绍:
Indian Journal of Ophthalmology covers clinical, experimental, basic science research and translational research studies related to medical, ethical and social issues in field of ophthalmology and vision science. Articles with clinical interest and implications will be given preference.