scholarly journals Three-Year Outcomes of Implantable Collamer Lens Followed by Excimer Laser Enhancement (“Bioptics”) in the Treatment of High Myopic Astigmatism

2021 ◽  
Vol Volume 15 ◽  
pp. 635-643
Author(s):  
Samir Jabbour ◽  
Kraig S Bower
Keyword(s):  
Excimer Laser ◽  
Implantable Collamer Lens ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

scholarly journals Clinical Effect and Rotational Stability of TICL in the Treatment of Myopic Astigmatism

2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Manhui Zhu ◽  
Linling Zhu ◽  
Qiujian Zhu ◽  
Cailian Xu ◽  
Peng Yu ◽  
...  
Keyword(s):  
Risk Factors ◽  
Visual Acuity ◽  
Rotational Stability ◽  
Spherical Equivalent ◽  
Implantable Collamer Lens ◽  
Manifest Refraction ◽  
Efficacy Index ◽  
The Mean ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

Purpose. To investigate the clinical outcomes and possible risk factors associated with rotational stability after the implantation of a V4c toric implantable Collamer lens (TICL) for the correction of moderate to high myopic astigmatism. Methods. A total of 112 eyes of 66 patients with moderate to high myopic astigmatism underwent TICL implantation. All patients were followed up for more than 1 year. The uncorrected and best-corrected visual acuity (UCVA and BCVA), astigmatism and spherical equivalent, intraocular pressure, vault, endothelial cell morphometry, and rotation of the TICL axis were assessed at l day, 1 week, 1 month, 3 months, 6 months, and 12 months postoperatively. Postoperative rotation was defined as the angle between the intended axis and the achieved axis. Regression analysis was used to investigate the possible risk factors for TICL rotation postoperatively. Results. The mean efficacy index and safety index 12 months postoperatively were 1.03 ± 0.09 and 1.05 ± 0.10, respectively. All patients had the same or better visual acuity than preoperatively. The mean astigmatism value decreased from −1.86 ± 0.79 D preoperatively to −0.37 ± 0.35 D. The mean absolute axis deviation of the TICL at the last follow-up was 2.75 ± 2.04° (range, 0°∼11°). The mean manifest refraction spherical equivalent (MRSE) changed from -9.04 ± 2.67 D preoperatively to −0.67 ± 0.51 D postoperatively. The logistic regression demonstrated that the absolute degree of TICL rotation had a significant association with the fixation angle of the TICL and the size of the lens ( P = 0.003 , P = 0.026 , resp.). Conclusion. The results of our study support that TICL implantation is safe, effective, and predictable in the treatment of moderate to high myopic astigmatism, with relatively good postoperative rotational stability.

Toric implantable collamer lens for moderate to high myopic astigmatism: 3-year follow-up

2012 ◽  
Vol 251 (5) ◽  
pp. 1413-1422 ◽  
Author(s):  
Esin Sogutlu Sari ◽  
David P. Pinero ◽  
Anil Kubaloglu ◽  
Pinar Sorgun Evcili ◽  
Arif Koytak ◽  
...  
Keyword(s):  
Implantable Collamer Lens ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

Toric implantable collamer lens for high myopic astigmatism in keratoconic patients after six months

2012 ◽  
Vol 96 (2) ◽  
pp. 225-232 ◽  
Author(s):  
Seyed Javad Hashemian ◽  
Mohammad Soleimani ◽  
Alireza Foroutan ◽  
Mahmood Joshaghani ◽  
Jafar Ghaempanah ◽  
...  
Keyword(s):  
Implantable Collamer Lens ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

Toric Implantable Collamer Lens for Moderate to High Myopic Astigmatism

Ophthalmology ◽  
2007 ◽  
Vol 114 (1) ◽  
pp. 54-61 ◽  
Author(s):  
Donald R. Sanders ◽  
David Schneider ◽  
Robert Martin ◽  
David Brown ◽  
David Dulaney ◽  
...  
Keyword(s):  
Implantable Collamer Lens ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

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

2018 ◽  
Vol 30 (2) ◽  
pp. 136-141 ◽  
Author(s):  
Seyed Javad Hashemian ◽  
Hosein Farrokhi ◽  
Alireza Foroutan ◽  
Mohammad Ebrahim Jafari ◽  
Seyed Mahyar Hashemian ◽  
...  
Keyword(s):  
Higher Order ◽  
Implantable Collamer Lens ◽  
Higher Order Aberrations ◽  
Lens Implantation ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

scholarly journals Clinical and Refractive Outcomes of Toric Phakic Implantable Collamer lens Implantat for correction of myopic astigmatism

2019 ◽  
Vol 13 (1) ◽  
pp. 70-75
Author(s):  
Suzan Amana
Keyword(s):  
Crystalline Lens ◽  
Posterior Chamber ◽  
Implantable Collamer Lens ◽  
Corneal Surgery ◽  
Refractive Outcomes ◽  
Lens Implantation ◽  
Positive Linear Correlation ◽  
The Mean ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism

Background: Currently there are four general approaches to correct refractive errors: refractive corneal surgery, crystalline lens surgery and implantation of an intraocular lens in anterior or posterior chamber. Objective: To evaluate the predictability, safety and stability of toric phakic implantable collamer lens implantation to correct moderate to high myopic astigmatism. in  Eye Specialty Private Hospital, Baghdad, Iraq. Type of the Study: a prospective non randomize intervention study. Methods: 60 eyes of 40 patients underwent implantation of a toric implantable collamer lens (V4c design).Mean spherical refraction was ₋11.32 diopter (D) ±3.17 (SD) with range from ₋6.00 to ₋18.00D and the mean cylinder was -2.61(D) ±1.16 with range from ₋1.00 to ₋5.50D .The outcome measures that evaluated during a 12 months follow-up period include UDVA, refractive outcomes, CDVA, vault and adverse events. Results: At 12 months postoperatively the mean Snellen decimal UDVA was 0.77±0.23 and mean CDVA was 0.80±0.21, with an efficacy index 1.16. Twenty nine  eyes (48.33%) showed gain in CDVA with safety index     1.21.The treatment was highly predictable for spherical equivalent and astigmatic component .The mean SE dropped from (₋12.63D ±3.11) to ( ₋0.11 D±0.20) with 58 eyes within ±0.50 D and 60 eyes with ± 1.00D of target correction . For achieved cylinder 60 eyes (100%) had ≤0.50D and 51 eyes (85%) had ≤0.25D with strong positive linear correlation between achieved and expected cylinder(r=0.94) Conclusions: The results of the present study support safety, efficacy, predictability of toric implantable collamer lens implantation to treat moderate to high myopic astigmatism.

Phakic Toric Implantable Collamer Lens Implantation for the Correction of High Myopic Astigmatism in Eyes With Keratoconus

2008 ◽  
Vol 24 (8) ◽  
pp. 840-842 ◽  
Author(s):  
Kazutaka Kamiya ◽  
Kimiya Shimizu ◽  
Wakako Ando ◽  
Tadatoshi Fujisawa ◽  
Yoshimori Asato
Keyword(s):  
Implantable Collamer Lens ◽  
Lens Implantation ◽  
Myopic Astigmatism ◽  
High Myopic Astigmatism
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