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Cataract, intraocular lens

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https://www.readbyqxmd.com/read/29034156/intraocular-lens-opacification-after-descemet-s-stripping-automated-endothelial-keratoplasty
#1
Meng-Sheng Lee, I-Lun Tsai, Ching-Yao Tsai, Li-Lin Kuo, Shiow-Wen Liou, Lin-Chung Woung
Compared with conventional penetrating keratoplasty, Descemet's stripping automated endothelial keratoplasty (DSAEK) more effectively maintain global integrity and rapid vision rehabilitation with less ocular surface disorders in patients with endothelial dysfunction. Here, we report a case of a 76-year-old woman who experienced opacification of a hydrophilic intraocular lens (IOL) approximately 10 months after DSAEK. The patient with no history of systemic disease developed pseudophakic bullous keratopathy in the right eye 2 years after undergoing cataract surgery...
July 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29027083/objective-and-subjective-results-following-implantation-of-the-finevision-trifocal-intraocular-lens-in-mexican-patients
#2
Ivo Ferreira-Ríos, Karla Zuñiga-Posselt, Juan Carlos Serna-Ojeda, Eduardo Chávez-Mondragón
PURPOSE: To evaluate objective and subjective results after bilateral implantation of a diffractive trifocal intraocular lens (IOL) in a Mexican population. METHODS: Prospective, interventional case series involved 15 cataract surgery patients who underwent bilateral implantation of the trifocal Micro F lens FineVision IOL (PhysIOL, Liège, Belgium). Objective analysis involved assessment of monocular uncorrected distance (UDVA), near (UNVA) at 30 and 40 cm, and intermediate visual acuity (UIVA) at 50, 60, and 70 cm, preoperatively, and at postoperative months 1, 3, and 6...
October 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29018756/descemet-s-stripping-automated-endothelial-keratoplasty-for-symptomatic-thioridazine-deposits-in-the-cornea
#3
Masoumeh Mohebbi, Hassan Hashemi, Alireza Mahmoudi, Pasha Anvari
The aim of this study was to use Descemet's Stripping-automated Endothelial Keratoplasty (DSAEK) as a novel treatment to remove thioridazine corneal deposits. A 53-year-old female presented with a 3-month history of visual loss and glare. She had been taking thioridazine (100 mg/day for 1 year) for a psychiatric disorder. Dense yellowish-brown deposits had developed in the posterior stroma. Thioridazine was discontinued, and she was switched to fluoxetine. One year after discontinuation of thioridazine, her symptoms and signs did not resolve...
January 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/28991853/simulated-keratometry-versus-total-corneal-power-by-ray-tracing-a-comparison-in-prediction-accuracy-of-intraocular-lens-power
#4
Giacomo Savini, Kenneth J Hoffer, Domenico Schiano Lomoriello, Pietro Ducoli
PURPOSE: To investigate the relationship between corneal powers measured by simulated keratometry (Sim-K) and ray tracing and understand whether their difference influences intraocular lens (IOL) power calculation. METHODS: In a first sample of healthy eyes, corneal curvature was measured using a rotating Scheimpflug camera (Sirius, CSO). Sim-K was obtained from anterior corneal curvature using the 1.3375 keratometric index. Ray tracing was performed through both corneal surfaces to calculate the total corneal power (TCP)...
November 2017: Cornea
https://www.readbyqxmd.com/read/28991621/central-island-formation-after-cataract-surgery-in-a-laser-in%C3%A2-situ-keratomileusis-eye-new-etiology
#5
Sylvain El-Khoury, Youssef Abdelmassih, George Cherfan, Johnny M Khoury
We report a case of central corneal steepness formation after cataract surgery in a post-laser in situ keratomileusis (LASIK) eye. A 51-year-old woman with traumatic cataract and a history of myopic LASIK surgery had uneventful phacoemulsification cataract surgery. Postoperatively, the corneal topography difference map showed a central island formation of 2.1 diopters (D) compared with the preoperative level, which correlated with a clinical myopic shift of 2.00 D from the targeted emmetropia. At 4 months, most of the central island had resolved spontaneously...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991619/light-scattering-levels-from-intraocular-lenses-extracted-from-donor-eyes
#6
Grzegorz Łabuz, Nicolaas J Reus, Thomas J T P van den Berg
PURPOSE: To assess light scatter levels of intraocular lenses (IOLs) extracted from donor eyes to understand straylight elevation documented earlier in pseudophakic population studies and identify potential sources of light scattering in IOLs. SETTING: Rotterdam Ophthalmic Institute, Rotterdam, the Netherlands. DESIGN: Experimental study. METHODS: Light scattering in 74 donor IOLs was measured with the C-Quant device adapted for in vitro analysis of IOLs...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991614/postoperative-outcomes-of-intraocular-lens-implantation-in-the-bag-versus-posterior-optic-capture-in-pediatric-cataract%C3%A2-surgery
#7
Abhay R Vasavada, Vaishali Vasavada, Sajani K Shah, Rupal H Trivedi, Viraj A Vasavada, Shail A Vasavada, Samaresh Srivastava, Aditya Sudhalkar
PURPOSE: To compare complications in children up to 4 years old having cataract surgery with intraocular lens (IOL) implantation using 2 techniques: in-the-bag IOL with anterior vitrectomy or optic capture of IOL with no anterior vitrectomy. SETTING: Iladevi Cataract & IOL Research Centre, Ahmedabad, India. DESIGN: Prospective randomized control clinical trial. METHODS: The study included children having cataract surgery with IOL implantation...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991613/safety-of-femtosecond-laser-assisted-primary-posterior-capsulotomy-immediately-after-cataract-surgery
#8
Merita Schojai, Tim Schultz, Yesim Haeussler-Sinangin, Joerg Boecker, H Burkhard Dick
PURPOSE: To evaluate the safety and feasibility of a new femtosecond laser-assisted method for posterior capsule opacification (PCO) prevention. SETTING: University Eye Hospital Bochum, Bochum, Germany. DESIGN: Prospective randomized intraindividual case series. METHODS: Eyes scheduled for bilateral cataract surgery between April 2015 and January 2016 were enrolled in the study. In 1 eye, routine manual cataract surgery with intraocular lens (IOL) implantation was performed with a primary posterior laser capsulotomy as the last step in the procedure...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991610/intraocular-lens-power-calculation-for-eyes-with-high-and-low-average-keratometry-readings-comparison-between-various-formulas
#9
Olga Reitblat, Adi Levy, Guy Kleinmann, Tsahi T Lerman, Ehud I Assia
PURPOSE: To compare the accuracy of intraocular lens power prediction for eyes with average keratometry (K) readings greater than 46.00 diopters (D) and lower than 42.00 D. SETTING: Ein-Tal Eye Center, Tel-Aviv, Israel. DESIGN: Retrospective case series. METHODS: Eyes having cataract extraction surgery with steep and flat preoperative corneal curvatures determined with the Lenstar-LS900 device were enrolled. Refractive prediction errors for the Barrett Universal II, Haigis, Hill-RBF, Hoffer-Q, Holladay 1, Holladay 2, Olsen, and SRK/T formulas were compared...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991343/endophthalmitis-following-pediatric-cataract-surgery-an-international-pediatric-ophthalmology-and-strabismus-council-global-perspective
#10
Almutez M Gharaibeh, Eedy Mezer, Luis H Ospina, Tamara Wygnanski-Jaffe
PURPOSE: To compile international data on the risk factors, diagnosis, and treatment of endophthalmitis following pediatric cataract surgery. METHODS: An e-mail containing a link to an online survey was sent to all members of the American Association for Pediatric Ophthalmology and Strabismus. The questionnaire examined the incidence, risk factors, treatment, outcomes, and prophylaxis of endophthalmitis following pediatric cataract surgery around the world. RESULTS: Two hundred thirty-seven ophthalmologists answered the questionnaire...
October 9, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28991337/accuracy-of-a-new-swept-source-optical-coherence-tomography-biometer-for-iol-power-calculation-and-comparison-to-iolmaster
#11
Giacomo Savini, Kenneth J Hoffer, H John Shammas, Jaime Aramberri, Jinhai Huang, Piero Barboni
PURPOSE: To investigate the accuracy of the measurements provided by a new optical biometer (OA-2000, Tomey Corporation, Nagoya, Japan) for calculating the intraocular lens (IOL) power and to compare the refractive outcomes to those obtained with the IOLMaster 500 (Carl Zeiss Meditec, Jena, Germany). METHODS: In this interventional multicenter study, consecutive patients having cataract surgery were enrolled. Only the IOL model used in the largest sample of patients was selected and the eyes implanted with that IOL were subsequently analyzed...
October 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28991332/visual-performance-with-bifocal-and-trifocal-diffractive-intraocular-lenses-a-prospective-three-armed-randomized-multicenter-clinical-trial
#12
Hakan Kaymak, Detlev Breyer, Jorge L Alió, Beatrice Cochener
PURPOSE: To evaluate and compare quality of vision and reading performance outcomes after implantation of bifocal refractive-diffractive, bifocal apodized diffractive, or trifocal diffractive-refractive intraocular lenses (IOLs). METHODS: This randomized, prospective, three-armed multicenter (Spain, Germany, and France) trial included 104 eyes of 52 patients (mean age: 63.2 ± 7.7 years). Patients underwent cataract surgery with bilateral implantation of either AT LISA 809M (Carl Zeiss Meditec, Jena, Germany: AT LISA group, 38 eyes), AT LISA tri 839MP (Carl Zeiss Meditec: AT LISA tri group, 32 eyes), or ReSTOR SN6AD1 (Alcon Laboratories, Inc...
October 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28985816/infantile-cataract-comparison-of-two-surgical-approaches
#13
Nur Khatib, Erez Tsumi, Amjad Baidousi, Hanan Nussinovitch, Natalya Bilenko, Tova Lifshitz, Jaime Levy
OBJECTIVE: To compare the results of 2 cataract extraction techniques with primary intraocular lens (IOL) implantation in children. DESIGN: Retrospective comparative case series study. METHODS: This study included children with congenital or developmental cataract. In all cases, anterior capsulorhexis, lens aspiration, posterior continuous curvilinear capsulorhexis, and primary IOL implantation were performed. We compared 2 surgical approaches...
October 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28982150/ocular-biometric-measurements-in-cataract-surgery-candidates-in-portugal
#14
Tiago B Ferreira, Kenneth J Hoffer, Filomena Ribeiro, Paulo Ribeiro, João G O'Neill
OBJECTIVE: Describe the ocular biometric parameters and their associations in a population of cataract surgery candidates. METHODS: A cross-sectional study of 13,012 eyes of 6,506 patients was performed. Biometric parameters of the eyes were measured by optical low-coherence reflectometry. The axial length (AL), mean keratometry (K) and astigmatism, anterior chamber depth (ACD) (epithelium to lens), lens thickness (LT), and Corneal Diameter (CD) were evaluated. RESULTS: The mean age was 69 ± 10 years (44-99 years)...
2017: PloS One
https://www.readbyqxmd.com/read/28979095/comparison-of-intraocular-pressure-fluctuations-before-and-after-ab-interno-trabeculectomy-in-pseudoexfoliation-glaucoma-patients
#15
Naoki Tojo, Shinya Abe, Mari Miyakoshi, Atsushi Hayashi
PURPOSE: Ab interno trabeculectomy (AIT) with the Trabectome has been shown to reduce intraocular pressure (IOP) in eyes with pseudoexfoliation (PEX) glaucoma. Here, we examined the change of IOP fluctuations before and after only AIT or AIT with cataract surgery in PEX patients using the contact lens sensor Triggerfish(®). METHODS: This was a prospective open-label study. Twenty-four consecutive patients with PEX glaucoma were included. Twelve patients underwent cataract surgery and AIT (triple-surgery group), and 12 patients underwent only AIT (single-surgery group)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28974221/femtosecond-laser-assisted-cataract-surgery-in-patients-with-phakic-intraocular-lenses-and-low-endothelial-cell-counts-a-case-report
#16
Chia-Yi Lee, Shih-Chun Chao, Chi-Chin Sun, Hung-Yu Lin
BACKGROUND: Phakic intraocular lens (PIOL) implantation has been used to correct myopia and myopic astigmatism, although corneal decompensation can occur after implantation. Femtosecond laser-assisted cataract surgery (FLACS) has gained in popularity due to its lower postoperative astigmatism and endothelial loss. Herein, we report the use of FLACS in patients who previously received PIOL implantation and have a low corneal endothelial cell count. CASE PRESENTATION: Two patients with a previous iris-claw PIOL implantation were enrolled...
October 3, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28971632/paradigms-for-pediatric-cataract-surgery
#17
Viraj Vasavada
Pediatric cataract surgery has seen several advances in techniques, technologies, and conceptual practices. Pediatric cataract management heavily depends on a combined effort, not only from the ophthalmologist, but also the parents, the anesthetists, and the supporting staff members (eg, optometrists, orthoptists, patient coordinators). Surgical management, though critical, is not the only consideration for these children. Continuing visual rehabilitation and monitoring for complications remain key elements even after the surgery is done...
September 25, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28967081/combined-ahmed-valve-and-phacoemulsification-with-intraocular-lens-implantation-under-infliximab-in-refractory-uveitic-glaucoma
#18
Jitendra K S Parihar, Jaya Kaushik, Vaibhav K Jain, Hemant S Trehan, Avinash Mishra, Vinod K Baranwal
PURPOSE: To evaluate the outcome of combined Ahmed glaucoma valve (AGV) and phacoemulsification with posterior chamber intraocular lens implantation under infliximab in refractory uveitic glaucoma (UG). METHODS: In this prospective interventional case series, 26 eyes of 26 patients with refractory UG underwent surgery under intravenous infliximab. The success rate was defined as intraocular pressure (IOP) 5 to 21 mm Hg with or without antiglaucoma medications (AGM), without additional glaucoma surgical intervention...
September 11, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28967072/visual-outcomes-after-progressive-apodized-diffractive-intraocular-lens-implantation
#19
Javier García-Bella, Néstor Ventura-Abreu, Laura Morales-Fernández, Paula Talavero-González, Jesús Carballo-Álvarez, Juan Carlos Sanz-Fernández, José M Vázquez-Moliní, José M Martínez-de-la-Casa
PURPOSE: To assess photopic and mesopic vision in patients implanted with the Bi-Flex® M 677 MY bifocal intraocular lens (IOL). METHODS: In this prospective clinical study, 25 patients with cataract in both eyes were subjected to cataract surgery and bilateral implantation of the Bi-Flex® M 677MY (Medicontur, Hungary) IOL. Three months after surgery, high-contrast photopic uncorrected distance visual acuity (UDVA) and corrected distance visual acuity (CDVA) were determined...
September 11, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28967071/outcomes-of-cataract-surgery-in-children-with-persistent-hyperplastic-primary-vitreous
#20
Jitender Jinagal, Parul C Gupta, Jagat Ram, Manu Sharma, Simar R Singh, Sonam Yangzes, Jaspreet Sukhija, Ramandeep Singh
PURPOSE: To evaluate postoperative outcomes of cataract surgery in children with persistent hyperplastic primary vitreous (PHPV) and factors affecting outcomes. METHODS: We analyzed 29 eyes of 28 children with PHPV presenting at a tertiary care center in northern India. All eyes underwent phacoaspiration followed by primary posterior capsulotomy with or without cauterization of persistent fetal vasculature under general anesthesia. Hydrophobic intraocular lens was implanted in selective cases...
September 14, 2017: European Journal of Ophthalmology
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