The Effect of Single-Piece Hydrophobic Acrylic Intraocular Lenses on the Development of Posterior Capsule Opacification

Praveen, Mamidipudi R.; Shah, Gauri D.; Vasavada, Abhay R.; Dave, Khyati H.

doi:10.1016/j.ajo.2015.05.037

Cited by 12 publications

(7 citation statements)

References 37 publications

(29 reference statements)

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“…It should be considered that the number of cases completing a follow-up of more than 7 years was reduced. This trend was consistent with the findings of other studies showing similar PCO progression rates [ 8 , 25 , 28 ]. Hecht and coauthors [ 8 ] showed for a specific model of hydrophobic IOL that the PCO rate increased from 1.1% at 1 year after surgery to 7.1% and 10.2% at 3 and 4 years, respectively.…”

Section: Discussionsupporting

confidence: 93%

“…Hecht and coauthors [ 8 ] showed for a specific model of hydrophobic IOL that the PCO rate increased from 1.1% at 1 year after surgery to 7.1% and 10.2% at 3 and 4 years, respectively. Praveen et al [ 28 ] reported a significant increase of PCO rate for a hydrophobic acrylic IOL during the first 3 years after surgery, with a more limited increase afterwards.…”

Section: Discussionmentioning

confidence: 99%

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Long-Term Clinically Significant Posterior Capsular Opacification Development Pattern in Eyes Implanted with an Aspheric Monofocal Intraocular Lens with a Square Optic Edge

Dabán

Elvira

Azrak

et al. 2021

Journal of Ophthalmology

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Purpose. To analyse the posterior capsular opacification (PCO) development pattern in the long term in eyes implanted with a monofocal intraocular lens (IOL) with a square edge all around the optic. Methods. Longitudinal retrospective study is data analyzed from a total of 7059 eyes from 4764 patients (mean age: 75.8 years) undergoing cataract surgery with implantation of an aspheric monofocal IOL (Bi-Flex HL 677AB/677P, Medicontur, Budapest, Hungary). These data were retrospectively collected using the electronic medical record of the hospitals involved. Nd : YAG capsulotomy rates were calculated per year during a follow-up of more than 10 years. The Kaplan–Meier analysis was used to establish the transparent capsule survival rate. Results. The Nd : YAG capsulotomy rate increased from 1.1% at 1 year postoperatively to 17.2% at 5 years after surgery. No significant differences were found between eyes with and without capsulotomy in terms of age p = 0.202 , gender p = 0.061 , type of anaesthesia used p = 0.128 , and presence of conditions such as hard cataract p = 0.111 or pseudoexfoliation p = 0.137 . IOL power was significantly lower in those eyes of patients requiring Nd : YAG capsulotomy during the follow-up p < 0.001 . Significantly more eyes implanted with the preloaded model of the IOL required capsulotomy p < 0.001 . Mean survival time and rate were 9.38 years and 85.9%, respectively. Conclusions. Most eyes undergoing cataract with implantation of the Bi-Flex IOL do not develop a clinically significant PCO requiring Nd : YAG capsulotomy in the long term. IOL material and design may be the main factors accounting for this finding.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Long-Term Clinically Significant Posterior Capsular Opacification Development Pattern in Eyes Implanted with an Aspheric Monofocal Intraocular Lens with a Square Optic Edge

Dabán

Elvira

Azrak

et al. 2021

Journal of Ophthalmology

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“…The question of whether the capsule can be retained, of course, keep capsule for cataract surgery operation and the IOL placement process provides a guarantee of safety [ 2 ]. It also increases the chance of posterior capsular opacification [ 18 ].…”

Section: Discussionmentioning

confidence: 99%

The Technique of Phacoemulsification and Intraocular Lens Implantation in Subluxated Cataract Surgery

Jiang

2022

Stem Cells International

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The purpose of this study was to investigate the effectiveness and practicability of phacoemulsification and intraocular lens implantation for subluxated cataracts. A retrospective review of subluxated cataract surgeries of 19 eyes performed in Kunhua Hospital Affiliated with Kunming University of Science and Technology between January 2017 and June 2021 was conducted. We choose to use the rotate-and-chop phacoemulsification techniques described when the crystal nucleus is rotated out of the capsular bag and simultaneously perform horizontal chops over the capsule. The viscoelastic agent was the important material that filled the capsule to support the capsular bag, and capsular hooks were used in 10 eyes necessarily. Anterior vitrectomy was undergone in 15 eyes. Single-piece intraocular lenses (IOL) were implanted in the capsular bag in 12 eyes including 8 capsular tension ring (CTR) implantation. Three-piece IOLs were fixed scleral layer in 7 eyes. Follow-up was 6 months to 2 years, and all eyes were successfully implanted with centered IOL. The best corrected visual acuity (BCVA) increased from 0.06 ± 0.04 to 0.62 ± 0.15 . The cornea of all patients was clear, the intraocular lens was centered, the pupil was round, and the intraocular pressure was normal. Subluxated cataracts are a challenging surgery. The technique of phacoemulsification in subluxated cataract surgery is a key procedure to rotate and remove the lens from the capsule and at the same time horizontal chops and emulsification over the capsular bag to be performed. Viscoelastic agents and capsular hooks were important choices to support the capsule to reduce the incidence of complications related to the vitreous and retina and prevent the range enlarging of the zonular dialysis. A capsular tension ring was also an effective device to maintain capsular stability. Double-needle-guided scleral interlamellar fixation is an effective and practical method for IOL. Overall, the incision technique explored in this study and the surgical technique to support capsular stabilization provide a safe approach and satisfactory results in cataract surgery for subluxation.

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“…1101 Substantial evidence supports a lower PCO rate when the anterior capsulorrhexis completely overlaps the entire optic. [1102][1103][1104] However, capsulorrhexis may be a less important factor with single-piece foldable acrylic IOLs. 1098 Polishing of the anterior capsule has a variable effect on reducing PCO rates.…”

Section: P33mentioning

confidence: 99%

Cataract in the Adult Eye Preferred Practice Pattern®

et al. 2017

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The Effect of Single-Piece Hydrophobic Acrylic Intraocular Lenses on the Development of Posterior Capsule Opacification

Cited by 12 publications

References 37 publications

Long-Term Clinically Significant Posterior Capsular Opacification Development Pattern in Eyes Implanted with an Aspheric Monofocal Intraocular Lens with a Square Optic Edge

Long-Term Clinically Significant Posterior Capsular Opacification Development Pattern in Eyes Implanted with an Aspheric Monofocal Intraocular Lens with a Square Optic Edge

The Technique of Phacoemulsification and Intraocular Lens Implantation in Subluxated Cataract Surgery

Cataract in the Adult Eye Preferred Practice Pattern®

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