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implantable collamer lens AND vault

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https://www.readbyqxmd.com/read/28407164/intraocular-pressure-after-implantation-of-a-phakic-collamer-intraocular-lens-with-a-central-hole
#1
Ignacio Rodríguez-Una, Pedro Pablo Rodríguez-Calvo, Luis Fernández-Vega Cueto, Carlos Lisa, Andrés Fernández-Vega Cueto, José F Alfonso
PURPOSE: To investigate the middle-term intraocular pressure (IOP) results after implantation of a posterior chamber collagen copolymer phakic intraocular lens (IOL) (V4c Visian; STAAR Surgical Co., Nidau, Switzerland) with a central hole in patients with myopia. METHODS: This retrospective study enrolled patients who had implantation of a phakic IOL with a central hole. IOP, central vault, and adverse events were evaluated 1, 3, 6, 12, and 24 months postoperatively...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28345566/intraoperative-optical-coherence-tomography-in-anterior-segment-surgeries
#2
Jeewan S Titiyal, Manpreet Kaur, Ruchita Falera
Intraoperative optical coherence tomography (iOCT) is a noninvasive imaging modality that provides a real-time dynamic feedback of the various surgical steps. Comprehensive literature search was performed in MEDLINE using "intraoperative optical coherence tomography" and "iOCT" as keywords. The use of iOCT as an aid to decision-making has been successfully reported in cases undergoing keratoplasty, implantable Collamer lens (ICL) implantation as well as cataract surgery. iOCT helps to assess the graft-host relationship in penetrating keratoplasty...
February 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28342721/four-year-follow-up-of-the-changes-in-anterior-segment-after-phakic-collamer-lens-icl-implantation
#3
Yuanyuan Lu, Na Yang, Xuedong Li, Jun Kong
PURPOSE: To assess the changes and relationship in central vaulting, flare intensity and crystalline lens thickness during a follow-up period of 4 years after Implantable Collamer Lens (ICL) implantation in eyes with high myopia. DESIGN: Retrospective observational study. METHODS: 98 eyes of 50 patients were followed up with routine measurements of central vaulting, crystalline lens thickness, endothelial cell density and aqueous flare postoperatively...
March 22, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28291554/implantation-of-posterior-chamber-phakic-intraocular-lens-for-myopia-and-hyperopia%C3%A2-%C3%A2-long-term-clinical-outcomes
#4
H Kocová, E Vlková, L Michalcová, O Motyka
PURPOSE: To evaluate long-term refractive outcomes of implantable collamer lens (ICL) implantation and late postoperative complications. METHODS: We assessed outcomes of patients who underwent ICL implantation (type ICM V4 for myopia, ICH V3 for hyperopia, TICM V4 for astigmatism) in our department between 1998 and 2013. It comprised 62 eyes (40 myopic and 22 hyperopic). The average follow-up period was 10.5 years. We evaluated: uncorrected and best-corrected visual acuity (UCVA and BCVA), spherical equivalent (SE), ICL vault, endothelial cell density and late postoperative complications...
March 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28003981/phakic-posterior-chamber-intraocular-lens-for-unilateral-high-myopic-amblyopia-in-chinese-pediatric-patients
#5
Jing Zhang, Jin-Rong Li, Zi-Dong Chen, Min-Bin Yu, Ke-Ming Yu
AIM: To assess the outcomes of posterior chamber implantable collamer lens (ICL) implantation in Chinese pediatric patients with unilateral high myopic amblyopia. METHODS: Eleven eyes of 11 amblyopic patients aged 11.02±3.34y underwent ICL (model V4, Staar Surgical Inc.) implantation to treat unilateral anisometropia were studied. Visual acuity, cycloplegic refraction, contrast sensitivity, stereopsis, intraocular pressure (IOP), vaulting, corneal endothelial cell count and complications were evaluated...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27965890/effects-of-v4c-icl-implantation-on-myopic-patients-vision-related-daily-activities
#6
Taixiang Liu, Shaorong Linghu, Le Pan, Rong Shi
The new type implantable Collamer lens with a central hole (V4c-ICL) is widely used to treat myopia. However, halos occur in some patients after surgery. The aim is to evaluate the effect of V4c-ICL implantation on vision-related daily activities. This retrospective study included 42 patients. Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), intraocular pressure (IOP), endothelial cell density (ECD), and vault were recorded and vision-related daily activities were evaluated at 3 months after operation...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27930796/surgical-correction-of-presbyopic-ametropia-with-non-refractive-transparent-corneal-inlay-and-an-implantable-collamer-lens
#7
Carlos Gutierrez Amoros
PURPOSE: To report the clinical outcomes of two patients implanted with the Raindrop Near Vision Inlay (ReVision Optics, Inc., Lake Forest, CA) to correct for presbyopia and the Visian implantable collamer lens (ICL) (STAAR Surgical, Monrovia, CA) to correct refractive error. METHODS: Case report. RESULTS: Two patients with presbyopic ametropia complained of blurred vision for distance and near. Both patients received a corneal inlay in the non-dominant eye followed by the Raindrop Inlay the following day...
December 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27852246/comparison-of-intraocular-pressure-andvault-after-implantation-of-implantable-collamer-lens-with-and-without-a-central-hole
#8
RANDOMIZED CONTROLLED TRIAL
Haiting Chen, Guangzeng Niu, Yuxiang Fan, Jingxue Ma
BACKGROUD: The Implantable Collamer Lens (ICL) has been used widely for refractive errors, We performed this prospective randomized comparative study to compare postoperative intraocular pressure (IOP) and vaults of the eyes implanted with conventional ICL and central hole ICL. METHODS: This study evaluated 44 eyes of 22 patients who underwent central hole ICL implantation in one eye and conventional ICL implantation in the other eye by randomization assignment...
November 16, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27681455/management-of-pseudophakic-myopic-anisometropic-amblyopia-with-piggyback-visian-%C3%A2-implantable-collamer-lens
#9
Sherif A Eissa
PURPOSE: To assess the outcomes of sulcus implantation of the Visian(®) implantable collamer lens (ICL) to correct pseudophakic myopic anisometropic amblyopia with myopic shift and/or primary refractive overcorrection. METHODS: Prospective case series enrolled 14 pseudophakic eyes of 14 patients, 5-9 years old, with history of cataract surgery and primary in the bag-intraocular lenses (IOL) implantation, followed by myopic shift and/or refractive overcorrection and anisometropic amblyopia of variable degrees...
March 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27672446/in-vivo-positional-analysis-of-implantable-collamer-lens-using-ultrasound-biomicroscopy
#10
Ahmed Mohamed Kamal Elshafei, Mahmoud Mohamed Genaidy, Hossam Mohamed Moharram
Purpose. To evaluate the anterior segment, the anatomical position of the implantable collamer lenses (ICL), and its relationship to adjacent ocular structures using Ultrasound Biomicroscopy (UBM). Methods. In a prospective study, 142 myopic eyes of 93 patients implanted with Visian ICL were subjected to UBM examination between March 2010 and January 2015. The relative position of ICL to the adjacent structure and the overall iris configuration were evaluated. The machine calibers were used to measure the minimum central distance between the ICL and anterior lens capsule (vault) and the vertical central distance between the corneal endothelium and the ICL (E-ICL)...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27604229/comparison-of-early-changes-in-and-factors-affecting-vault-following-posterior-chamber-phakic-implantable-collamer-lens-implantation-without-and-with-a-central-hole-icl-v4-and-icl-v4c
#11
Xun Chen, Huamao Miao, Rajeev Krishnan Naidu, Xiaoying Wang, Xingtao Zhou
BACKGROUND: To objectively compare the early changes in vault over time following implantation of an Implantable Collamer Lens without (ICL V4) and with (ICL V4c) a central hole and the respective factors affecting vault change in moderate to high myopia. METHODS: This prospective study comprised of 38 eyes of 38 patients implanted with ICL V4 and 39 eyes of 39 patients implanted with ICL V4c intraocular lenses. We quantitatively assessed the postoperative values of vault and pupil size at 1 day, 1 week, and 1 month following implantation using a rotating Scheimpflug camera (Pentacam)...
September 7, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27603723/computational-study-of-aqueous-humor-dynamics-assessing-the-vault-and-the-pupil-diameter-in-two-posterior-chamber-phakic-lenses
#12
José Ignacio Fernández-Vigo, Ana Macarro-Merino, Joaquín Fernández-Francos, Lucía De-Pablo-Gómez-de-Liaño, José María Martínez-de-la-Casa, Julián García-Feijóo, José Ángel Fernández-Vigo
PURPOSE: To compare the behavior of aqueous humor (AH) and analyze flow differences by comparing the volume and velocity of the flow after two different models of implantable collamer lens (ICL) placement. METHODS: Computational fluid dynamics with numerical simulation using Ansys Fluent software was performed to compare the AH flow through a peripheral iridotomy (PI), which is typically performed after implantation of a V4b lens to the central hole of a V4c lens...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27603356/posterior-chamber-collagen-copolymer-phakic-intraocular-lens-with-a-central-hole-for-moderate-to-high-myopia-first-experience-in-china
#13
Xinfang Cao, Weiliang Wu, Yang Wang, Chen Xie, Jianping Tong, Ye Shen
The purpose of this article is to evaluate the clinical outcomes of a posterior chamber phakic intraocular lens (pIOL) (Visian Implantable Collamer Lens V4c) for the correction of moderate to high myopia in Chinese eyes.The article is designed as a retrospective case series.This study included the first consecutive eyes that had implantation of a new pIOL design with a central hole, at our department by the same surgeon. The safety, efficacy, predictability, stability, and adverse events of the surgery were evaluated over 6 months...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27463337/preoperative-biometric-parameters-predict-the-vault-after-icl-implantation-a-retrospective-clinical-study
#14
Qian-Yin Zheng, Wen Xu, Guan-Lu Liang, Jing Wu, Jun-Ting Shi
PURPOSE: To investigate the correlation between the preoperative biometric parameters of the anterior segment and the vault after implantable Collamer lens (ICL) implantation via this retrospective study. DESIGN: Retrospective clinical study. METHODS: A total of 78 eyes from 41 patients who underwent ICL implantation surgery were included in this study. Preoperative biometric parameters, including white-to-white (WTW) diameter, central corneal thickness, keratometer, pupil diameter, anterior chamber depth, sulcus-to-sulcus diameter, anterior chamber area (ACA) and central curvature radius of the anterior surface of the lens (Lenscur), were measured...
2016: Ophthalmic Research
https://www.readbyqxmd.com/read/27405290/real-time-assessment-of-intraoperative-vaulting-in-implantable-collamer-lens-and-correlation-with-postoperative-vaulting
#15
COMPARATIVE STUDY
Jeewan S Titiyal, Manpreet Kaur, Suman Sahu, Namrata Sharma, Rajesh Sinha
PURPOSE: To assess the intraoperative vaulting in patients undergoing implantable collamer lens (ICL) implantation with microscope-integrated intraoperative optical coherence tomography (iOCT) and correlate it with the postoperative vaulting. METHODS: Forty eyes of 22 consecutive patients undergoing ICL implantation were prospectively evaluated. Vaulting was measured intraoperatively using microscope-integrated iOCT. The ICL-lenticular relationship was dynamically assessed throughout the surgery...
January 19, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27354760/meta-analysis-and-review-effectiveness-safety-and-central-port-design-of-the-intraocular-collamer-lens
#16
REVIEW
Mark Packer
The purpose of this review is to summarize relevant data from publications appearing in the peer-reviewed scientific literature over the past decade since US Food and Drug Administration approval of the implantable collamer lens (ICL), and, in particular, to review studies relating to sizing methodology, safety, and effectiveness, as well as more recent studies reporting clinical outcomes of the V4c Visian ICL with KS Aquaport, VICMO. A literature search was conducted using two databases, PubMed.gov and Science...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27239582/implantable-collamer-lens-v4b-and-v4c-for-correction-of-high-myopia
#17
Vipul Bhandari, Smitha Karandikar, Jagdeesh K Reddy, Kirti Relekar
PURPOSE: To evaluate the visual outcome and intraocular pressure changes after Visian Implantable Collamer Lens (ICL) implantation V4b and V4c (with central hole) for correction of high myopia. METHODS: A prospective, consecutive, interventional comparative case series of V4b and V4c ICL implantation was done in high myopic patients who were unsuitable for laser vision. The main outcome measures studied were uncorrected and corrected distant visual acuity (UDVA, CDVA), ICL vault, intraocular pressure (IOP), endothelial cell count (ECC), and development of subcapsular lens opacities...
September 2015: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/26949611/comparison-of-anterior-section-parameters-using-anterior-segment-optical-coherence-tomography-and-ultrasound-biomicroscopy-in-myopic-patients-after-icl-implantation
#18
Jing Zhang, Hui-Hui Luo, Jing Zhuang, Ke-Ming Yu
AIM: To compare the agreement of anterior chamber depth (ACD) and central vault measurements obtained by anterior segment optical coherence tomography (AS-OCT) and ultrasound biomicroscopy (UBM) of post surgical high myopic eyes with posterior chamber phakic intraocular lens (Visian ICL; STAAR Surgical) implantation. METHODS: Fifty-two phakic eyes of 28 high myopic patients who underwent implantable Collamer lens (ICL) surgery for the correction of high myopia were studied...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/26941076/clinical-outcomes-and-cataract-formation-rates-in-eyes-10-years-after-posterior-phakic-lens-implantation-for-myopia
#19
Ivo Guber, Victoria Mouvet, Ciara Bergin, Sylvie Perritaz, Philippe Othenin-Girard, François Majo
Importance: Intraocular collamer lenses (ICLs) are posterior chamber phakic lenses that provide a refractive surgery option for those with high myopia or astigmatism. The short-term and midterm results indicate good refraction stability, efficacy, and safety. Cataract has been suggested to be an important long-term complication of ICL implantation. Objective: To report the rates of cataract development and refractive outcomes 10 years after ICL implantation. Design, Setting, and Participants: The study included 133 eyes of 78 patients undergoing consecutive V4 model ICL implantations, which took place from January 1, 1998, through December 31, 2004, at Jules-Gonin Eye Hospital, Lausanne, Switzerland...
March 3, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/26895160/effect-of-hole-size-on-fluid-dynamics-of-a-posterior-chamber-phakic-intraocular-lens-with-a-central-perforation-by-using-computational-fluid-dynamics
#20
Takushi Kawamorita, Kimiya Shimizu, Nobuyuki Shoji
BACKGROUND: A modified implantable collamer lens (ICL) with a central hole with a diameter of 0.36 mm, referred to as a hole-ICL, was created to improve aqueous humour circulation. The aim of this study is to investigate the ideal hole size in a hole-ICL from the standpoint of the fluid dynamic characteristics of the aqueous humour using computational fluid dynamics. METHODS: Fluid dynamics simulation using an ICL was performed with thermal-hydraulic analysis software FloEFD V 12...
April 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
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