Ocular higher-order aberrations changes after implantable collamer lens implantation for high myopic astigmatism

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HASHEMIAN SEYED JAVAD; Farrokhi Hosein; FOROUTAN ALIREZA; JAFARI MOHAMMAD EBRAHIM; Hashemian Seyed Mahyar; ALEMZADEH SAYYED AMIRPOOYA; Hashemian Mahsa Sadat

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Journal: Journal of Current Ophthalmology Year:2018 | Volume:30 | Issue:2 Page(s): 136-141

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Title

Ocular higher-order aberrations changes after implantable collamer lens implantation for high myopic astigmatism

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Keywords

Implantable collamer lens

Higher-order aberrations

Phakic intraocular lens

Myopic astigmatism

Abstract

Purpose: To investigate the changes in Higher-order aberrations (HOAs) induced by the implantation of Implantable collamer lenses (ICLs) and Toric ICL (TICL) in eyes with high myopia and high Myopic astigmatism. Methods: We investigated 33 eyes of 18 consecutive patients (in a prospective, interventional case series study), with spherical equivalent errors of 6. 00 to 21. 09 diopters (D) and cylindrical errors of 0. 5 to 4. 75 D, who underwent ICL and TICL implantation. Before and after 5 days, 2 and 6 months of surgery, the uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), defocus and adverse events of the surgery were assessed. Ocular HOAs were also evaluated by Hartmann-Shack aberrometry (Technolas PV, Rochester, New York, USA) before and after 6 months of surgery. Results: At 6. 0 months after surgery, the UCVA and BCVA in 40% and 66. 7% of eyes were 20/20, respectively. Mean defocus refraction and astigmatism was reduced to 0. 66 and 0. 65 D from 12. 79 and 2. 18 at baseline, respectively. For a 6 mm pupil, HOAs were not significantly changed, merely from 0. 417 ± 0. 162 m before surgery to 0. 393 ± 0. 119 m after surgery (P ¼ 0. 45). Spherical aberration (Z400) increased significantly (P ¼ 00. 0). Surgical induced astigmatism was lower than 0. 25 D, and there were no changes in trefoils and coma aberration. No vision-threatening complications occurred during the observation period. Conclusion: This study shows that the ICL and TICL performed well in correcting high Myopic astigmatism without significant changes in HOAs during a 6-month observation period, although the spherical aberration (Z400) increased significantly.

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APA: Copy

HASHEMIAN, SEYED JAVAD, Farrokhi, Hosein, FOROUTAN, ALIREZA, JAFARI, MOHAMMAD EBRAHIM, Hashemian, Seyed Mahyar, ALEMZADEH, SAYYED AMIRPOOYA, & Hashemian, Mahsa Sadat. (2018). Ocular higher-order aberrations changes after implantable collamer lens implantation for high myopic astigmatism. JOURNAL OF CURRENT OPHTHALMOLOGY, 30(2), 136-141. SID. https://sid.ir/paper/748713/en

Vancouver: Copy

HASHEMIAN SEYED JAVAD, Farrokhi Hosein, FOROUTAN ALIREZA, JAFARI MOHAMMAD EBRAHIM, Hashemian Seyed Mahyar, ALEMZADEH SAYYED AMIRPOOYA, Hashemian Mahsa Sadat. Ocular higher-order aberrations changes after implantable collamer lens implantation for high myopic astigmatism. JOURNAL OF CURRENT OPHTHALMOLOGY[Internet]. 2018;30(2):136-141. Available from: https://sid.ir/paper/748713/en

IEEE: Copy

SEYED JAVAD HASHEMIAN, Hosein Farrokhi, ALIREZA FOROUTAN, MOHAMMAD EBRAHIM JAFARI, Seyed Mahyar Hashemian, SAYYED AMIRPOOYA ALEMZADEH, and Mahsa Sadat Hashemian, “Ocular higher-order aberrations changes after implantable collamer lens implantation for high myopic astigmatism,” JOURNAL OF CURRENT OPHTHALMOLOGY, vol. 30, no. 2, pp. 136–141, 2018, [Online]. Available: https://sid.ir/paper/748713/en

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