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https://www.readbyqxmd.com/read/28739400/intraoperative-and-postoperative-pain-in-cataract-surgery
#1
REVIEW
Jed H Assam, Ashlie Bernhisel, Amy Lin
Technologic improvements in cataract surgery have not only improved visual outcomes, but also have minimized intraoperative and postoperative pain. We review the mechanisms, risk factors, and management of intraoperative and postoperative pain. Summaries of less common sources of physiologic pain have been included to reinforce recognition of when pain represents an expected physiologic reaction to surgery as opposed to signaling a more serious complication. We also discuss various current and emerging anesthetic and analgesic modalities...
July 21, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28736341/tfos-dews-ii-iatrogenic-report
#2
REVIEW
José Alvaro P Gomes, Dimitri T Azar, Christophe Baudouin, Nathan Efron, Masatoshi Hirayama, Jutta Horwath-Winter, Terry Kim, Jodhbir S Mehta, Elisabeth M Messmer, Jay S Pepose, Virender S Sangwan, Alan L Weiner, Steven E Wilson, James S Wolffsohn
Dry eye can be caused by a variety of iatrogenic interventions. The increasing number of patients looking for eye care or cosmetic procedures involving the eyes, together with a better understanding of the pathophysiological mechanisms of dry eye disease (DED), have led to the need of a specific report about iatrogenic dry eye within the TFOS DEWS II. Topical medications can cause DED due to their allergic, toxic and immuno-inflammatory effects on the ocular surface. Preservatives, such as benzalkonium chloride, may further aggravate DED...
May 5, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28734818/preoperative-aqueous-cytokine-levels-are-associated-with-a-rapid-reduction-in-endothelial-cells-after-penetrating-keratoplasty
#3
Yukari Yagi-Yaguchi, Takefumi Yamaguchi, Kazunari Higa, Terumasa Suzuki, Hiroyuki Yazu, Naohiko Aketa, Yoshiyuki Satake, Kazuo Tsubota, Jun Shimazaki
PURPOSE: To evaluate the influence of preoperative inflammatory cytokine levels in the aqueous humor (AqH) on the endothelial cell density (ECD) after penetrating keratoplasty (PKP). DESIGN: Prospective interventional, consecutive case series. METHODS: This study includes 70 consecutive patients (mean age 73.7 ± 10.6), who underwent PKP (37 eyes) or cataract surgery (controls, 33 eyes). A total of 70 AqH samples were collected at the beginning of each surgery...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28732621/generic-trypan-blue-as-possible-cause-of%C3%A2-a%C3%A2-cluster-of-toxic-anterior-segment-syndrome-cases-after-uneventful-cataract%C3%A2-surgery
#4
Artemis Matsou, Argyrios Tzamalis, Nikolaos Chalvatzis, Asimina Mataftsi, Ioannis Tsinopoulos, Periklis Brazitikos
Five of 16 patients having uneventful cataract surgery over 2 consecutive days presented on the first postoperative day with painless, unexpected blurry vision; marked limbus-to-limbus corneal edema; and severe anterior chamber inflammation with hypopyon and fibrin formation. Review of the records showed the 5 patients had received an intracameral injection of generic trypan blue solution 0.06% to facilitate the capsulorhexis. Patients who had not received the trypan blue injection had an uneventful first-day check and subsequent course...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732620/results-and-methodology-of-cost-utility-evaluation-of-cataract-surgery-in-developed-countries-quality-adjusted-life-years-and-cataract
#5
REVIEW
Ursula Hahn, Frank Krummenauer
This review surveyed the results and methods of cost-utility analyses of cataract surgery. Thirteen studies were included. Based on decision-theoretic time trade-off, utilities ranged from 0.148 to 0.8 and quality-adjusted life years (QALY) ranged from 1.424 to 2.43. Based on psychometric instruments such as Euroqol 5 dimensions, utilities ranged from 0.017 to 0.056 and QALY ranged from 0.141 to 0.547. Reported costs per QALY were between $1307 and $14 302. Although the review found consistent favorable cost QALY ratios for cataract surgery according to the British National Institute for Care and Health Excellence threshold, the findings raise doubts about the general applicability of existing studies as a tool for allocation decision...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732612/image-guided-system-versus-manual-marking-for-toric-intraocular-lens-alignment-in-cataract-surgery
#6
Valentijn S C Webers, Noel J C Bauer, Nienke Visser, Tos T J M Berendschot, Frank J H M van den Biggelaar, Rudy M M A Nuijts
PURPOSE: To compare the accuracy of toric intraocular lens (IOL) alignment using the Verion Image-Guided System versus a conventional manual ink-marking procedure. SETTING: University Eye Clinic Maastricht, Maastricht, the Netherlands. DESIGN: Prospective randomized clinical trial. METHODS: Eyes with regular corneal astigmatism of at least 1.25 diopters (D) that required cataract surgery and toric IOL implantation (Acrysof SN6AT3-T9) were randomly assigned to the image-guided group or the manual-marking group...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732611/comparison-of-posterior-capsule-opacification-development-with-2%C3%A2-single-piece-intraocular-lens-types
#7
Christina Leydolt, Daniel Schartmüller, Luca Schwarzenbacher, Markus Schranz, Sabine Schriefl, Rupert Menapace
PURPOSE: To evaluate the differences in the incidence of posterior capsule opacification (PCO) and visual and optical performance between 2 hydrophobic acrylic single-piece sharp-edged intraocular lenses (IOLs) over 3 years. SETTING: Department of Ophthalmology, Medical University of Vienna, Vienna, Austria. DESIGN: Prospective randomized case series. METHODS: Patients with bilateral cataract were prospectively randomized to receive an Eyecee One IOL (IOL A) or an Acrysof SN60WF IOL (IOL B) and were followed for 36 months...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732608/population-based-analysis-of-intraocular-lens-exchange-and-repositioning
#8
Andrei-Alexandru Szigiato, Matthew B Schlenker, Iqbal Ike K Ahmed
PURPOSE: To determine the incidence and trends in intraocular lens (IOL) repositioning, exchange, and explantation. SETTING: Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada. DESIGN: Population-based retrospective data analysis. METHODS: Service claims from 2000 to 2013 were analyzed for the total yearly number of IOL repositionings, exchanges, and explantations in Ontario, Canada, including the number of surgeons performing them by subspecialty...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732606/visual-performance-after-bilateral-implantation-of-2-new-presbyopia-correcting-intraocular-lenses-trifocal-versus-extended-range-of-vision
#9
Gaspare Monaco, Mariangela Gari, Fabio Di Censo, Andrea Poscia, Giada Ruggi, Antonio Scialdone
PURPOSE: To compare the visual outcomes and quality of vision of 2 new diffractive multifocal intraocular lenses (IOLs) with those of a monofocal IOL. SETTING: Fatebenefratelli e Oftalmico Hospital, Milan, Italy. DESIGN: Prospective case series. METHODS: Patients had bilateral cataract surgery with implantation of a trifocal IOL (Panoptix), an extended-range-of-vision IOL (Symfony), or a monofocal IOL (SN60WF). Postoperative examinations included assessing distance, intermediate, and near visual acuity; binocular defocus; intraocular and total aberrations; point-spread function (PSF); modulation transfer function (MTF); retinal straylight; and quality-of-vision (QoV) and spectacle-dependence questionnaires...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28732605/prediction-of-postoperative-intraocular-lens-tilt-using-swept-source-optical-coherence-tomography
#10
Nino Hirnschall, Tobias Buehren, Ferid Bajramovic, Michael Trost, Tanja Teuber, Oliver Findl
PURPOSE: To compare crystalline lens tilt in eyes before and intraocular lens (IOL) tilt in eyes after cataract surgery using swept-source optical coherence tomography (SS-OCT) (IOLMaster 700). SETTING: Hanusch Hospital, Vienna, Austria. DESIGN: Prospective case series. METHODS: Patients' eyes were scanned 1 week before and 2 months after cataract surgery with IOL implantation using an SS-OCT device. This device performs B-scans along 6 meridians (0, 30, 60, 90, 120, and 150 degrees) to determine lens and IOL tilt...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28730285/an-update-on-implants-for-minimally-invasive-glaucoma-surgery-migs
#11
REVIEW
Ejaz Ansari
For several years, the gold standard for surgical treatment of glaucoma has been trabeculectomy. Although very successful at reducing intraocular pressure (IOP), there are several potential complications of trabeculectomy, including sight-threatening ones. This has stimulated much research aimed at the development of new and effective procedures to lower IOP with an enhanced safety profile. Minimally invasive glaucoma surgery (MIGS) procedures prioritise patient safety but also demonstrate efficacy in reducing IOP...
July 20, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28730124/cataract-surgery-on-post-radial-keratotomy-patients
#12
Alessandro Meduri, Mario Urso, Giuseppe A Signorino, Miguel Rechichi, Cosimo Mazzotta, Stephen Kaufman
This study aims to evaluate and to compare three different approaches of cataract surgery to patients with previous radial keratotomy (RK), and to analyze the mechanical properties of the cornea after cataract surgery. Three groups of patients, each one including 8 eyes of patients with 16 RK incisions. The first group includes eyes with the first cataract incision superiorly, the second group in the temporal area, the third group in temporal area and a precautionary stabilizing suture across the RK incision adjacent to the main tunnel...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730112/evaluation-of-antioxidants-and-argpyrimidine-in-normal-and-cataractous-lenses-in-north-indian-population
#13
Bharani K Mynampati, Sujata Ghosh, Thungapathra Muthukumarappa, Jagat Ram
AIM: To assess the level of glutathione, thioltransferase, and argpyrimidine in nuclear and cortical cataractous lenses as well as in the clear lenses in the north Indian population. METHODS: Human cataractous lenses were collected from the patients who underwent extracapsular cataract extraction surgery; clear lenses were collected from the freshly donated eye bank eyes. Antioxidant molecules such as glutathione and thioltransferase enzyme activity were measured; simultaneously in these lenses a blue fluorophore argpyrimidine, an advanced glycation end (AGE) product level was assessed using high performance liquid chromatography (HPLC)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730103/expressions-of-tgf-%C3%AE-2-bfgf-and-icam-1-in-lens-epithelial-cells-of-complicated-cataract-with-silicone-oil-tamponade
#14
Bei Liu, Jing Gao, Bo-Chang Lyu, Shan-Shuang Du, Cheng Pei, Zhong-Qiao Zhu, Bo Ma
AIM: To investigate the expression differences of transforming growth factor-β2 (TGF-β2), basic fibroblast growth factor (bFGF) and intercellular cell-adhesion molecule-1 (ICAM-1) in lens epithelial cells (LECs) of complicated cataract with silicone oil tamponade and age-related cataract. METHODS: Totally 150 eyes of 150 patients (aged 35 to 77y) were investigated, including 75 patients with complicated cataract after silicone oil tamponade and 75 patients with age-related cataract...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730095/comparison-of-surgically-induced-astigmatism-among-different-surgeons-performing-the-same-incision
#15
Sofia Theodoulidou, Ioannis Asproudis, Aristidis Athanasiadis, Michael Kokkinos, Miltiadis Aspiotis
To compare surgically induced astigmatism (SIA) of different surgeons, who perform the same main incision. Two hundred and seventy eyes underwent cataract surgery with phacoemulsification by four different surgeons (A, B, C, and D). A 3-step, 3.0 mm, superotemporal for the right eye and superonasal for the left eye clear corneal incision was performed. A comparison in SIA among A, B, C and D surgeon was made. No significant difference was found in SIA at both first and sixth postoperative month between different surgeons (P>0...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730082/evaluation-of-visual-quality-of-spherical-and-aspherical-intraocular-lenses-by-optical-quality-analysis-system
#16
Yan Chen, Xue Wang, Chuan-Di Zhou, Qiang Wu
AIM: To evaluate the impact of spherical and aspherical intraocular lenses on the postoperative visual quality of age-related cataract patients using Optical Quality Analysis System (OQAS). METHODS: Seventy-four eyes with age-related cataracts were randomly divided into spherical and aspherical lens implantation groups. Best-corrected visual acuity (BCVA) was measured preoperatively, one day, one week, two weeks, one month and two months after surgery. A biometric systems analysis using the OQAS objective scattering index (OSI) was performed...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728538/effects-of-cataract-opacity-and-surgery-on-sleep-quality
#17
Aya Kokune, Masahiko Ayaki, Kazuo Tsubota, Kazuno Negishi
BACKGROUND: This study aimed to identify the type of cataract opacity associated with subjective sleep quality for cataract patients. METHODS: A total of 180 consecutive patients (average age 74.2 years) underwent cataract surgery with implantation of a UV-blocking or blue light-blocking intra ocular lens. The participants' subjective sleep quality was evaluated using the Pittsburgh sleep quality index (PSQI) before and at 2 months after surgery. Patients were divided into two groups for analysis: normal sleepers (preoperative PSQI ≤ 5) and poor sleepers (preoperative PSQI ≥ 6)...
July 20, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28728286/-corneal-astigmatism-among-2-085-age-related-cataract-patients-before-surgery
#18
Y Wang, M Ke, T Zheng, J Zhang, W H Wang, S Y Wu
Objective: To investigate the characteristics and distribution of corneal astigmatism before surgery among age-related cataract patients in the Hubei area. Methods: Retrospective study. From January 1, 2012 to July 31, 2016, IOL Master measurements of all qualified cataract surgery candidates were retrospectively collected. Descriptive statistical analysis was used to assess the degree, distribution and type of corneal astigmatism. Kolmogorov-Smirnov (K-S) test was used to evaluate the normal distribution of variables...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728285/-prevalence-and-surgery-status-of-cataract-among-adults-aged-60-years-or-above-in-two-villages-of-nantong
#19
J Zhou, Y Yuan, X Zhang, M Yang, H J Guan
Objective: To assess the prevalence, surgical coverage rate and social burden rate of cataract blindness among adults aged ≥60 years in the suburban population of Nantong, Jiangsu, China. Methods: It was a population-based cross-section study. A census with individuals aged ≥60 years was conducted in two villages of the suburb area in Nantong from June to August, 2008. A total of 1 305 individuals received visual acuity and eye examinations. Lens and cataract operative status were evaluated by slit-lamp biomicroscopy...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728174/a-global-view-on-output-and-outcomes-of-cataract-surgery-with-national-indices-of-socioeconomic-development
#20
Wei Wang, William Yan, Andreas Müller, Mingguang He
Purpose: Cataract blindness accounts for a substantial proportion of blindness worldwide. Understanding the correlations between national levels of socioeconomic development with the quantity and quality of cataract surgery may provide insight for the prioritization and resource allocation for blindness prevention programs. Methods: The relationships between human development index (HDI), gross domestic product (GDP) per capita, and cataract surgical coverage (CSC) and visual outcome of cataract surgery were examined in a multinational study utilizing secondary data from the repository for Rapid Assessment of Avoidable Blindness (RAAB), World Health Organization, Global Burden of Disease, United Nations, and the World Bank...
July 1, 2017: Investigative Ophthalmology & Visual Science
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