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Refractive cataract surgery

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https://www.readbyqxmd.com/read/30332995/keratometric-measurements-and-iol-calculations-in-pseudophakic-post-dsaek-patients
#1
Ke Xu, Hong Qi, Rongmei Peng, Gege Xiao, Jing Hong, Yansheng Hao, Boping Ma
BACKGROUND: To compare different K readings in pseudophakic patients post-Descemet's stripping automated endothelial keratoplasty (DSAEK) and evaluate corresponding prediction errors in intraocular lens (IOL) power calculations. METHODS: Subjects that underwent cataract surgery and DSAEK surgery at least 3 and 6 months prior, respectively, and IOL implantation in the capsular bag were included in this study. Manifest refraction and IOL information were recorded...
October 17, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30323549/long-term-changes-in-keratometry-and-refraction-after-small-aperture-corneal-inlay-implantation
#2
Majid Moshirfar, Jordan D Desautels, Brian D Walker, Orry C Birdsong, David F Skanchy, Tyler S Quist, Michael S Murri, Steve H Linn, Phillip C Hoopes, Phillip C Hoopes
Purpose: To assess longitudinal refractive, keratometric, and topographic changes following KAMRA small-aperture inlay implantation. Design and setting: Prospective study at a single site refractive surgery center. Methods: Fifty patients underwent KAMRA small-aperture corneal inlay implantation for the correction of presbyopia. Uncorrected near visual acuity (UNVA), uncorrected distance visual acuity, manifest refractive spherical equivalent (MRSE), mean keratometry (Km), corneal topography, and surgically induced astigmatism vector analysis assessments were performed preoperatively and at 1, 3, 6, 12, 24, and 36 months postoperatively...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/30323546/long-term-outcomes-of-intended-undercorrection-intraocular-lens-implantation-in-pediatric-cataract
#3
Apatsa Lekskul, Pichaya Chuephanich, Chao Charoenkijkajorn
Purpose: To evaluate the postoperative refraction of intended undercorrection after intraocular lens (IOL) implantation in pediatric cataract patients. Design: A cross-sectional study (data collected by retrospective chart review). Patients and methods: The medical records of children aged under 10 years, who underwent cataract surgery with IOL implantation at the Ramathibodi Hospital between January 2000 and May 2018, were reviewed. IOL power calculations were 30%, 25%, 20%, 15% and 10% under-corrected if children were aged 6-12, 13-24, 25-36, 37-48 and 49-60 months, respectively...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/30311461/effects-of-choroidal-thickness-on-refractive-outcome-following-cataract-surgery-in-primary-angle-closure
#4
Woo Keun Song, Kyung Rim Sung, Joong Won Shin, Junki Kwon
PURPOSE: To identify the preoperative biometric factors, including subfoveal choroidal thickness (CT), associated with refractive outcome after cataract surgery in eyes with primary angle closure (PAC). METHODS: This study included 50 eyes of 50 PAC patients who underwent uneventful cataract surgery. Preoperatively, anterior segment parameters including anterior chamber depth (ACD) and lens vault were determined by anterior segment optical coherence tomography. Subfoveal CT was measured by spectral domain optical coherence tomography enhanced depth imaging before and at one month after surgery...
October 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/30298105/comparison-of-the-techniques-of-secondary-intraocular-lens-implantation-after-penetrating-keratoplasty
#5
Katarzyna Krysik, Dariusz Dobrowolski, Ewa Wroblewska-Czajka, Anita Lyssek-Boron, Edward Wylegala
Aim: To conduct a retrospective analysis of secondary IOL implantation in patients who underwent PK with no simultaneous IOL implantation. Materials and Methods: The retrospective study of the secondary implantation of IOLs was conducted in 46 eyes that underwent a primary operation with PK and cataract/lens extraction with no IOL implantation due to capsule rupture or combining corneal or intraocular complications. The minimum period from PK was 12 months. All secondary IOL implantations were performed from January 2011 to August 2017...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30297231/primary-versus-secondary-intraocular-lens-implantation-in-traumatic-cataract-after-open-globe-injury-in-pediatric-patients
#6
Pradhnya Sen, Chintan Shah, Alok Sen, Elesh Jain, Amit Mohan
PURPOSE: To compare the visual and refractive outcomes and complications of primary and secondary intraocular lens (IOL) implantation after open-globe injury in pediatric patients. SETTING: Sadguru Netra Chikitsalaya, Madhya Pradesh, India. DESIGN: Retrospective case series. METHODS: Patients had primary cataract extraction with IOL implantation with globe repair (Group A) or repair followed by secondary IOL implantation (Group B)...
October 5, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30296325/effect-of-nsaids-on-pupil-diameter-and-expression-of-aqueous-humor-cytokines-in-flacs-versus-conventional-phacoemulsification
#7
Natalia S Anisimova, Lisa B Arbisser, Goran Petrovski, Svetlana V Petrichuk, Nikolay P Sobolev, Beata Petrovski, Sergey A Borsenok, Yurii A Komah, Boris E Malyugin
PURPOSE: To compare the concentrations of interleukin (IL) (IL-1b, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12p70), interferon (IFN)-γ, tumor necrosis factor (TNF)-α, and TNF-β in the aqueous humor of patients undergoing femtosecond laser-assisted cataract surgery (FLACS) and corneal mechanical paracentesis treated with two different topical nonsteroidal anti-inflammatory drugs (NSAIDs): bromfenac and indomethacin. METHODS: In this prospective, randomized controlled, single-center study, aqueous humor samples were obtained immediately after performing the femtosecond laser procedure or at the start of conventional phacoemulsification...
October 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30295063/comparison-of-two-biometers-a-swept-source-optical-coherence-tomography-and-an-optical-low-coherence-reflectometry-biometer
#8
Hussam El Chehab, Emilie Agard, Corinne Dot
PURPOSE: The technological improvements in optical biometers have made cataract surgery evolve to the level of refractive surgery. This study assessed the correlation and agreement between a biometer using swept-source optical coherence tomography technology (IOLMaster 700; Carl Zeiss Meditec, Jena, Germany) and a biometer using optical low-coherence reflectometry (Lenstar; Haag Streit, Koeniz, Switzerland). PROCEDURES: Optical biometric measurements were taken with the IOLMaster 700 and the Lenstar on 129 eyes of 129 patients referred for cataract surgery...
October 7, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30294528/photorefractive-keratectomy-for-correcting-residual-refractive-error-following-cataract-surgery-with-premium-intraocular-lens-implantation
#9
Yuan-Yao Fan, Chi-Chin Sun, Hung-Chi Chen, David Hui-Kang Ma
PURPOSE: The aim of this study is to evaluate the effectiveness and predictability of photorefractive keratectomy (PRK) for correcting residual refractive error following cataract surgery with premium intraocular lens (IOL) implantation. METHODS: We conducted a retrospective review of the medical records of patients who received PRK for correcting residual hyperopia, myopia, and/or astigmatism due to unsatisfied uncorrected distance visual acuity (UDVA) after cataract extraction with implantation of aspheric, diffractive multifocal, or toric IOL from September 2011 to December 2017...
July 2018: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/30284476/refractive-predictability-and-visual-outcomes-of-an-extended-range-of-vision-intraocular-lens-in-eyes-with-previous-myopic-laser-in-situ-keratomileusis
#10
Carlos Palomino-Bautista, David Carmona-González, Rubén Sánchez-Jean, Alfredo Castillo-Gómez, Marta Romero-Domínguez, Macarena Elías de Tejada, David P Piñero
PURPOSE: To evaluate the refractive predictability obtained with an extended range of vision intraocular lens in eyes with previous myopic laser in situ keratomileusis, confirming which intraocular lens power formula provides the most accurate calculation. METHODS: The study enrolled 71 eyes with previous successful myopic laser in situ keratomileusis surgery of 43 patients undergoing cataract surgery with implantation of the extended range of vision intraocular lens TECNIS Symfony (Johnson and Johnson Vision)...
October 4, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30271629/prevalence-of-keratoconus-in-a-refractive-surgery-population
#11
Abdulrahman Mohammed Al-Amri
Objective: This study examined the prevalence of keratoconus among patients who were interested in undergoing refractive surgery. Corneal tomography measurements were used to help detect keratoconus. Methods: Adult subjects who presented to the private hospital Cataract and Refractive Surgery Unit (Abha, Saudi Arabia) for refractive surgery evaluation were considered for inclusion in this cross-sectional, retrospective study. All subjects were from the Aseer province, a southern, high-altitude region in Saudi Arabia, and presented between January and December 2017...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30270649/accuracy-of-biometric-formulae-in-hypermetropic-patients-undergoing-cataract-surgery
#12
Mohammad Z Mustafa, Ashraf A Khan, Harry Bennett, Andrew J Tatham, Mark Wright
PURPOSE: To audit and analyse the accuracy of current biometric formulae on refractive outcomes following cataract surgery in patients with axial length less than 22 mm. METHODS: A total of 84 eyes from 84 patients with axial length <22 mm were identified from consecutive patients undergoing cataract surgery retrospectively at a single university hospital. All subjects had biometry using the IOLMaster (Carl Zeiss Meditec, Inc, Dublin, CA, USA) and a Sensar AR40 intraocular lens implant (Abbott Medical Optics, CA, USA)...
October 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30266985/functional-assessment-of-a-new-extended-depth-of-focus-intraocular-lens
#13
Giacomo Savini, Nicole Balducci, Claudio Carbonara, Scipione Rossi, Manuel Altieri, Nicola Frugis, Emilia Zappulla, Roberto Bellucci, Giovanni Alessio
BACKGROUND/OBJECTIVE: This study aimed to investigate the visual performance of a new extended depth-of-focus intraocular lens (EDOF-IOL). SUBJECTS/METHODS: In this multicenter, prospective, observational study, we enrolled 97 patients who underwent cataract surgery or refractive lens exchange with implantation of the Mini Well EDOF-IOL (SIFI, Italy). Patients underwent postoperatively the following examinations between 4 and 8 weeks after surgery: corrected distance visual acuity (CDVA), reading speed with Radner's chart, distance-corrected near visual acuity (DCNVA), defocus curve, contrast sensitivity, and haloes quantitative assessment...
September 28, 2018: Eye
https://www.readbyqxmd.com/read/30243394/preoperative-biometry-data-of-eyes-with-unilateral-congenital-cataract
#14
Lidia Kun, Andrea Szigeti, Maria Bausz, Zoltan Zsolt Nagy, Erika Maka
PURPOSE: To investigate the differences in biometry data of eyes with unilateral congenital cataract and the contralateral normal eyes in pediatric patients. SETTING: Pediatric Ophthalmology Division, Ophthalmology Department, Semmelweis University in Budapest, Hungary. DESIGN: Retrospective case series. METHODS: Data of visually significant unilateral congenital cataract patients who had cataract surgery in the ophthalmology department at Semmelweis University between 2013 and 2016 were collected...
October 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30236773/use-of-the-crystalline-lens-equatorial-plane-lep-as-a-new-parameter-for-predicting-postoperative-iol-position
#15
Young-Sik Yoo, Woong-Joo Whang, Kyu-Yeon Hwang, Marjorie Lazo, Je-Hyung Hwang, Choun-Ki Joo, Geunyoung Yoon
PURPOSE: To assess whether preoperative crystalline lens equatorial plane (LEP) reliably predicts the postoperative position of the intraocular lens (IOL). DESIGN: Comparative, interventional case series METHODS: Phacoemulsification and IOL implantation (group I; ZCB00, group II; EC-1PAL, and group III; CT Asphina) were performed for 104 eyes. Lens geometry parameters, including LEP, were obtained from a femtosecond laser cataract surgery system prior to surgery...
September 17, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/30235658/changes-of-intraocular-pressure-after-cataract-surgery-in-myopic-and-emmetropic-patients
#16
Huibin Lv, Jiarui Yang, Yushi Liu, Xiaodan Jiang, Yan Liu, Mingzhou Zhang, Yuexin Wang, Hang Song, Xuemin Li
To investigate the intraocular pressure (IOP) changes after cataract surgery, and its relationship with refractive conditions.IOP after phacoemulsification with intraocular lens (IOL) implantation was retrospectively reviewed. Patients were classified into 3 groups by refractive conditions: emmetropia, mild to moderate myopia, and high myopia. Basic information was collected including age, sex, place of IOL, and operating surgeon, with IOP and refractive conditions measured before surgery, and 1, 7, 30, and 90 days after surgery...
September 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30235323/comparison-of-success-rates-in-eye-drop-instillation-between-sitting-position-and-supine-position
#17
Tomoko Naito, Keiji Yoshikawa, Koji Namiguchi, Shiro Mizoue, Atsushi Shiraishi, Yuko Ichikawa, Miyuki Fujiwara, Takako Miki, Ryoichi Araki, Yuzo Umeda, Yuki Morizane, Fumio Shiraga
PURPOSE: To compare the success rates of eye drop instillation in the sitting position and supine position among Japanese patients with ocular diseases (cataract, glaucoma, or retinal and vitreous diseases). METHODS: Patients who were hospitalized in Okayama University Hospital for eye surgery were studied. Instillation procedures of each patient in both the sitting and supine positions were recorded using a video camera at the time of instillation. We defined "success" when one drop fell accurately onto the ocular surface at the first attempt...
2018: PloS One
https://www.readbyqxmd.com/read/30219261/intraoperative-optical-coherence-tomography-measurements-of-aphakic-eyes-to-predict-postoperative-position-of-2-intraocular-lens-designs
#18
Nino Hirnschall, Sanaz Farrokhi, Sahand Amir-Asgari, Julius Hienert, Oliver Findl
PURPOSE: To evaluate intraoperative anterior chamber depth (ACD) measurements of the aphakic eye to predict the postoperative ACD and compare 2 intraocular lens (IOL) designs. SETTING: Hanusch Hospital, Vienna, Austria. DESIGN: Prospective study. METHODS: In this prospective study, patients scheduled for cataract surgery received a plate-haptic IOL (Asphina, Carl Zeiss Meditec AG) or an open-loop haptic IOL (ZCB00, Johnson & Johnson)...
September 12, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30218490/binocular-vision-alterations-after-refractive-and-cataract-surgery-a-review
#19
REVIEW
María García-Montero, César Albarrán Diego, Nuria Garzón-Jiménez, Rafael J Pérez-Cambrodí, Esther López-Artero, Juan Carlos Ondategui-Parra
To review binocular and accommodative disorders documented after corneal or intraocular refractive surgery, in normal healthy prepresbyopic patients. A bibliographic revision was performed; it included works published before 1st July 2017 where accommodation and/or binocularity was assessed following any type of refractive surgical procedure. The search in Pubmed yielded 1273 papers, 95 of which fulfilled the inclusion criteria. Few publications reporting binocular vision and/or accommodative changes after refractive surgery in normal subjects were found...
September 14, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/30214320/implantation-of-toric-intraocular-lenses-in-patients-with-cataract-and-keratoconus-a-case-series
#20
Karin Allard, Madeleine Zetterberg
Purpose: To describe the results of phacoemulsification and implantation of toric intraocular lenses (IOLs) in patients with cataract and keratoconus. Patients and methods: Prospective study of 4 patients (4 eyes) with cataract and keratoconus who underwent phacoemulsification with implantation of a toric IOL. Two different toric IOLs were used: AcrySof IQ SN6AT9 and AT Torbi 709M(P). Corneal tomography was performed preoperatively using Scheimpflug technique with Pentacam...
2018: International Medical Case Reports Journal
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