检索结果-南通市图书馆

trifocal toric intraocular lenses in eyes with low amount of corneal astigmatism

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Ophthalmology(English edition) 2020年第10期13卷 1567-1573页

作者： Paz Orts-Vila Salvador Aguilar-Corcoles Cristina Tello-Elordi María Ramos-Alzamora Robert Montés-Mico Pedro Taná-Rivero Oftalvist Clinic Alicante 03001Spain Optics and Optometry&Vision Sciences Department University of ValenciaBurjassotValencia 46100Spain

AIM:To evaluate the refractive and visual outcomes following cataract surgery and implantation of a trifocal toric intraocular lens(IOL)in eyes with low degrees of corneal astigmatism.METHODS:Twenty-six eyes of 22 patients who underwent implantation a trifocal toric IOL(FineVision PODFT,PhysIOL s.a.,Liege,Belgium)were enrolled.Phacoemulsification with femtosecond laser,capsular tension ring insertion and intraoperative aberrometry were performed in all cases.All IOLs used showed a cylinder power of 1.00 D.Main outcome measures were refractive error and corrected-distance visual acuity(CDVA)and uncorrected-distance visual acuity(UDVA)values.Eyes were evaluated at 4 mo post-surgery.RESULTS:Totally 50%of eyes showed a spherical equivalent(SE)within±0.13 D and all of them within±0.50 D.The mean SE and refractive cylinder were-0.02±0.23 and-0.16±0.22 D,respectively.Vector analysis revealed that 100%of eyes were within±0.50 D for the SE and cylindrical components(J0 and J45).Refractive changes were not correlated with keratometric changes(P>0.05)showing that the reduction in astigmatism comes from the trifocal toric IOL.Of 81%and 96%of eyes showed UDVA and CDVA of 20/20,respectively.The postoperative mean values of monocular distance Snellen decimal UDVA and CDVA were 0.97±0.05 and 0.99±0.02(about 20/20),respectively.CONCLUSION:Our study suggests that the use of this trifocal toric IOL in patients with low amount of astigmatism provides accurate refractive outcomes and enables them to achieve excellent visual acuity.

关键词： toric trifocal intraocular lens phacoemulsification cataract astigmatism

Visual and refractive outcomes following implantation of a new trifocal intraocular lens

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Eye and Vision 2017年第1期4卷 42-47页

作者： Michael Lawless Chris Hodge Joe Reich Lewis Levitz Uday K.Bhatt Colm McAlinden Kate Roberts Timothy V.Roberts Vision Eye Institute Level 3270 Victoria Avenue ChatswoodSydneyNSW 2067Australia Sydney Medical School University of SydneySydneyNSWAustralia University of Technology SydneyNSWAustralia Vision Eye Institute MelbourneVICAustralia University Hospitals Bristol BristolUK

Background:Independence from all optical aids,and freedom from unwanted symptoms,following cataract and lens surgery remains the ultimate goal of both patient and surgeon.The development of trifocal IOL technology provides an ever-increasing range of options.The purpose of our study is to understand the predictability,safety and efficacy of a new trifocal intraocular lens(IOL)following cataract or refractive lens exchange(RLE)surgery.Methods:This was a retrospective consecutive case series of patients undergoing cataract extraction or RLE followed by implantation of the Alcon IQ Panoptix IOL.Pre and postoperative refractive and visual parameters were recorded and evaluated.As the cohort followed a normal distribution,standard parametric tests were used.Paired t-test was used to compare the difference between target and postoperative refractive errors.The incidence of intraoperative and postoperative complications was also reported.Results:The IOL was implanted in 66 eyes of 33 patients.Mean postoperative spherical equivalent(SE)refraction was-0.08±0.25 dioptres(D).This was not significantly different from the target refraction(p=0.841).Sixty-five percent of patients were within±0.25 D of the target SE refraction with 100%within±0.50 D of intended correction.Mean postoperative uncorrected distance visual acuity(UDVA)was 0.01±0.10 LogMAR.All patients achieved an unaided distance acuity of 20/40 or better postoperatively.Binocularly,100%saw 0.20 LogMAR or better at near without correction and 88.9%achieved this level for uncorrected intermediate visual acuity.No intraoperative complications were noted.Five patients complained of moderate haloes in the early postoperative period.Conclusion:The AcrySof IQ Panoptix IOL provides functional uncorrected visual acuity at distance,intermediate and near positions.Our results remain equivalent with existing trifocal IOL outcomes and provide surgeons with a further IOL alternative for the patient motivated to obtain true spectacle independence.Surgeons should consider individu

关键词： trifocal trifocal IOL Cataract Refractive lens exchange

Early outcomes of vision and objective visual quality analysis after cataract surgery with trifocal intraocular lens implantation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Ophthalmology(English edition) 2019年第10期12卷 1575-1581页

作者： Mei-Fang Chu Na Hui Cong-Yi Wang Lei Yu Bo Ma Yan Li Cheng Pei Ophthalmology Department Xi’an Fourth HospitalShaanxiOphthalmological HospitalXi’an710004Shaanxi ProvinceChina Ophthalmology Department First Affiliated Hospital of Xi’anJiaotong UniversityXi’an710061Shaanxi ProvinceChina

AIM: To investigate the early outcomes of vision, objective visual quality and their correlation after cataract surgery with trifocal intraocular lens implantation.METHODS: The visual examination and objective visual quality analysis using Optical Quality Analysis System(OQAS) at 1 mo and 3 mo, and defocus curve examination at 3 mo were performed in 20 patients(27 eyes) after phacoemulsification combined with trifocal intraocular lens implantation surgery.RESULTS: The uncorrected distant(UD), intermediate and near visual acuity(VA) were significantly improved after surgery(Ptrifocal intraocular lens implantation can provide good distant, intermediate and near VA, and the vision shows a well correlation with objective visual quality during early surgery.

关键词： visual quality trifocal intraocular lens vision correlation

Residual Astigmatism Threshold and Patient Satisfaction with Bifocal, trifocal and Extended Range of Vision Intraocular Lenses (IOLs)

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Ophthalmology 2017年第1期7卷 1-7页

作者： Francesco Carones Carones Ophthalmology Center Milan Italy

Purpose: To compare the impact of induced astigmatism with four different types of multifocal intraocular lenses (MIOLs). Method: Prospective, comparative, interventional, mono-centered study, including 80 eyes of patients with implantation of four different MIOLs: AcrySof ReSTOR +2.5 D (20 eyes), AcrySof ReSTOR +3.0 D (20 eyes), AcrySof Panoptix (20 eyes) (Alcon Laboratories, Inc., Fort Worth, TX, USA), and Tecnis Symfony ZRX00 (Abbott Medical Optics, Santa Ana, USA) (20 eyes). Patients were followed up for 3 months after surgery. Major parameters were uncorrected (UDVA) and corrected (CDVA) distance visual acuity, subjective refraction and patient satisfaction. Results: Differences between IOLs with regard to the impact of the cylinder sign and axis on visual acuity and patient satisfaction were not significant. With mild added negative cylinder, AcrySof ReSTOR +2.5 D and Tecnis Symfony IOLs maintained the baseline visual acuity, while it was mildly reduced with AcrySof ReSTOR +3.0 D and Panoptix IOLs. With moderate induced cylinder, the Tecnis Symfony IOL maintained good visual acuity and patient associated satisfaction. Panoptix IOL was the IOL most affected by the induced astigmatism with regard to dissatisfaction and visual acuity. The highest tolerance to the astigmatic distortion and blurriness induced with a -1.50 D cylinder was obtained with the Tecnis Symfony IOL. Tecnis Symfony IOL showed less dissatisfaction and less reduction of visual acuity than the other MIOLs. Conclusion: Simulated residual cylinders after the implantation of the Tecnis Symfony IOL up to 1.0 D have a very mild and not clinically relevant impact on visual acuity or patient satisfaction. The ERV IOL showed a better tolerance to unexpected postoperative residual errors than diffractive bifocal and trifocal IOLs.

关键词： Multifocal IOL Astigmatism Tolerance Bifocal trifocal Extended Range of Vision Tecnis Symfony Panoptix AcrySof ReSTOR

A More Natural Way of Seeing: Visual Performance of Three Presbyopia Correcting Intraocular Lenses

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Ophthalmology 2016年第3期6卷 176-183页

作者： Amir Hamid Arif Sokwala Optimax and Ultralase Clinics London UK

Purpose: To compare the visual and refractive outcomes, patient satisfaction and spectacle independence between three novel designs of diffractive IOLs. Method: Prospective study including 150 patients with implantation of three IOLs: trifocal diffractive IOL AT LISA tri 839 MP (ATLISA, n = 50), trifocal diffractive IOL PhysIOL FineVision (FineVision, n = 50) and the extended range of vision IOL Tecnis Symfony ZRX00 (Symfony, n = 50). Patients were followed up for 6 months after surgery. Major parameters were monocular and binocular uncorrected (UDVA) and corrected (CDVA) distance, uncorrected (UIVA) and distance corrected (DCIVA) intermediate (80 cm), and uncorrected (UNVA) and distance corrected (DCNVA) near (40 cm) visual acuities (UNVA), contrast sensitivity (CS), defocus curve as well as patient satisfaction and spectacle use. Results: Mean postoperative decimal UDVA was 1.01 for Symfony, 0.96 for ATLISA and 0.95 for the FineVision IOL. Postoperative UIVA was 0.95 with Symfony, 0.72 with ATLISA and 0.85 with the FineVision IOL. Postoperative UNVA was 0.96 with the FineVision, 0.72 with the ATLISA and 0.63 with the Symfony IOL. The Symfony defocus curve showed the smoothest profile. Mean mesopic CS was 0.84 log units with the Symfony, 0.83 with the ATLISA (0.83) and 0.65 with the FineVision IOL. Mean photopic CS with the Symfony, ATLISA and FineVision was 1.05, 0.85 and 0.69 log units, respectively. Twenty percent of the patients with the ATLISA and FineVision IOLs and 5.6% of the Symfony patients reported halos and glare as troublesome or disabling. Reading glasses were frequently used by 5.6% of the Symfony patients. All patients with the trifocal IOLs reported to be spectacle-free for any distance. Conclusion: All 3 IOLs produce excellent results with high levels of spectacle independence. The Symfony produces better levels of distance and intermediate visual acuity, whereas the trifocal IOLs produced better near vision. Higher frequency of dysphotopsia was seen with the trifocal IOLs.

关键词： Extended Range of Vision Tecnis Symfony trifocal Defocus Curve Visual Outcome