Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations

AIM: To compare the clinical efficacy, vault, and rotational stability of horizontal, oblique, and vertical implantation of Toric implantable collamer lens(TICL).METHODS: Retrospective cohort study. A total of 92 cases(120 eyes)who underwent TICL implantation from July 2018 to March 2022 and had reg...

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Main Authors: Liao Yanfen, Guan Nian, Shen Zhengwei, He Xing, Liu Ying
Format: Article
Language:English
Published: Press of International Journal of Ophthalmology (IJO PRESS) 2024-02-01
Series:Guoji Yanke Zazhi
Subjects:
Online Access:http://ies.ijo.cn/cn_publish/2024/2/202402006.pdf
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author Liao Yanfen
Guan Nian
Shen Zhengwei
He Xing
Liu Ying
author_facet Liao Yanfen
Guan Nian
Shen Zhengwei
He Xing
Liu Ying
author_sort Liao Yanfen
collection DOAJ
description AIM: To compare the clinical efficacy, vault, and rotational stability of horizontal, oblique, and vertical implantation of Toric implantable collamer lens(TICL).METHODS: Retrospective cohort study. A total of 92 cases(120 eyes)who underwent TICL implantation from July 2018 to March 2022 and had regular follow-up for at least 1 a postoperatively(1 d, 1 wk, 1, 3, 6 mo, and 1 a)at Wuhan Bright Eye Hospital were collected. The patients were divided into three groups, with 34 cases(45 eyes)in horizontal implantation group, 25 cases(29 eyes)in oblique implantation group(29 cases), and 33 cases(46 eyes)in vertical implantation group. Uncorrected distance visual acuity(UDVA), corrected distance visual acuity(CDVA), diopters, vault, and rotation angle(deviation of the actual axis of TICL from the expected axis).RESULTS: All surgeries were uneventful, and there were no complications such as infection, secondary glaucoma, or cataract opacity. Safety and efficacy of the surgery: the CDVA of the three groups of patients was better than or equal to the preoperative CDVA at 1 a postoperatively, and there was no statistically significant differences in postoperative UDVA and CDVA of the three groups(P>0.05). The safety index at 1a postoperatively was 1.34±0.21, 1.34±0.17, and 1.31±0.18 for the horizontal, oblique, and vertical groups, respectively. The efficacy index was 1.26±0.21, 1.33±0.18, and 1.27±0.16 for the three groups, respectively, both with no statistically significant differences(P>0.05). Vault: there was a significant difference in postoperative vault among the three groups(P=0.003), with the vertical group having the lowest vault, followed by the horizontal group and the oblique group. The vaults at different follow-up time points within each group showed significant differences(P<0.001), and all decreased over time. Residual astigmatism: there was no significant difference in residual astigmatism among the three groups(P=0.130), but there were differences at different follow-up time points within each group(P<0.001). Rotation angle: no significant differences in rotation angle were observed among the three groups(P=0.135), but there were differences at different follow-up time points within each group(P<0.001).CONCLUSION: The implantation of TICL in different orientations has good safety and efficacy, the postoperative rotational stability is good, and the appropriate angle can be selected to implant TICL according to the clinical situation.
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spelling doaj.art-937553a91dd44d058bcbe0e535b4d3192024-01-18T03:35:38ZengPress of International Journal of Ophthalmology (IJO PRESS)Guoji Yanke Zazhi1672-51232024-02-0124221021510.3980/j.issn.1672-5123.2024.2.06202402006Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientationsLiao Yanfen0Guan Nian1Shen Zhengwei2He Xing3Liu Ying4Department of Refractive Surgery, Hubei Bright Eye Hospital, Wuhan 430070, Hubei Province, ChinaDepartment of Refractive Surgery, Wuhan Bright Eye Hospital, Wuhan 430030, Hubei Province, ChinaDepartment of Refractive Surgery, Hubei Bright Eye Hospital, Wuhan 430070, Hubei Province, ChinaDepartment of Refractive Surgery, Wuhan Bright Eye Hospital, Wuhan 430030, Hubei Province, ChinaDepartment of Refractive Surgery, Wuhan Bright Eye Hospital, Wuhan 430030, Hubei Province, ChinaAIM: To compare the clinical efficacy, vault, and rotational stability of horizontal, oblique, and vertical implantation of Toric implantable collamer lens(TICL).METHODS: Retrospective cohort study. A total of 92 cases(120 eyes)who underwent TICL implantation from July 2018 to March 2022 and had regular follow-up for at least 1 a postoperatively(1 d, 1 wk, 1, 3, 6 mo, and 1 a)at Wuhan Bright Eye Hospital were collected. The patients were divided into three groups, with 34 cases(45 eyes)in horizontal implantation group, 25 cases(29 eyes)in oblique implantation group(29 cases), and 33 cases(46 eyes)in vertical implantation group. Uncorrected distance visual acuity(UDVA), corrected distance visual acuity(CDVA), diopters, vault, and rotation angle(deviation of the actual axis of TICL from the expected axis).RESULTS: All surgeries were uneventful, and there were no complications such as infection, secondary glaucoma, or cataract opacity. Safety and efficacy of the surgery: the CDVA of the three groups of patients was better than or equal to the preoperative CDVA at 1 a postoperatively, and there was no statistically significant differences in postoperative UDVA and CDVA of the three groups(P>0.05). The safety index at 1a postoperatively was 1.34±0.21, 1.34±0.17, and 1.31±0.18 for the horizontal, oblique, and vertical groups, respectively. The efficacy index was 1.26±0.21, 1.33±0.18, and 1.27±0.16 for the three groups, respectively, both with no statistically significant differences(P>0.05). Vault: there was a significant difference in postoperative vault among the three groups(P=0.003), with the vertical group having the lowest vault, followed by the horizontal group and the oblique group. The vaults at different follow-up time points within each group showed significant differences(P<0.001), and all decreased over time. Residual astigmatism: there was no significant difference in residual astigmatism among the three groups(P=0.130), but there were differences at different follow-up time points within each group(P<0.001). Rotation angle: no significant differences in rotation angle were observed among the three groups(P=0.135), but there were differences at different follow-up time points within each group(P<0.001).CONCLUSION: The implantation of TICL in different orientations has good safety and efficacy, the postoperative rotational stability is good, and the appropriate angle can be selected to implant TICL according to the clinical situation.http://ies.ijo.cn/cn_publish/2024/2/202402006.pdftoric implantable collamer lens(ticl)vaultimplantation orientationsrotational stability
spellingShingle Liao Yanfen
Guan Nian
Shen Zhengwei
He Xing
Liu Ying
Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations
Guoji Yanke Zazhi
toric implantable collamer lens(ticl)
vault
implantation orientations
rotational stability
title Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations
title_full Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations
title_fullStr Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations
title_full_unstemmed Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations
title_short Comparison of clinical efficacy and stability of Toric implantable collamer lens implantation in different orientations
title_sort comparison of clinical efficacy and stability of toric implantable collamer lens implantation in different orientations
topic toric implantable collamer lens(ticl)
vault
implantation orientations
rotational stability
url http://ies.ijo.cn/cn_publish/2024/2/202402006.pdf
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AT guannian comparisonofclinicalefficacyandstabilityoftoricimplantablecollamerlensimplantationindifferentorientations
AT shenzhengwei comparisonofclinicalefficacyandstabilityoftoricimplantablecollamerlensimplantationindifferentorientations
AT hexing comparisonofclinicalefficacyandstabilityoftoricimplantablecollamerlensimplantationindifferentorientations
AT liuying comparisonofclinicalefficacyandstabilityoftoricimplantablecollamerlensimplantationindifferentorientations