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https://www.readbyqxmd.com/read/28916480/factors-associated-with-zonular-instability-during-cataract-surgery-in-eyes-with-acute-angle-closure-attack
#1
Junki Kwon, Kyung Rim Sung
PURPOSE: To compare the demographics and ocular characteristics, including anterior segment optical coherence tomography images and zonular instability, in eyes with a history of acute angle closure (AAC) attack and subsequent cataract surgery. DESIGN: Retrospective case-control study. METHODS: A total of 68 eyes of 56 patients with a history of AAC attack who underwent cataract surgery were enrolled. Fourteen eyes were assigned to the zonular instability (+) group and 54 were assigned to the zonular instability (-) group based on the presence of zonular instability during cataract surgery...
September 13, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28811796/visual-outcome-after-phacoemulsification-with-lens-implant-in-diabetic-and-non-diabetic-patients-a-comparative-study
#2
Abdul Rashid Shaikh, Abdul Haleem Mirani, Muhammad Saleh Memon, Muhammad Faisal Fahim
OBJECTIVE: To compare the visual outcomes of phacoemulsification surgery with intraocular lens (IOL) in persons with and without diabetes at end of follow-up. METHODS: This was a comparative, cross sectional, observational study with Non-probability, purposive sampling. After approval from "Research Ethical Committee of Isra Post-graduate Institute of Ophthalmology Karachi, 92 patients with cataract in one eye were selected. Patients were divided into two groups...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28799561/retinal-detachment-repair-and-cataract-surgery-in-patients-with-atopic-dermatitis
#3
V Gnana Jothi, S McGimpsey, J A Sharkey, W C Chan
PurposeThe aim of this study is to report a case series of ocular complications including retinal detachment (RD) and cataract in atopic dermatitis (AD) and surgical management involving a majority of Caucasian patients.Patients and methodsThis study is an observational case series, originally designed as an audit. It involves detailed discussion of history, clinical features, and surgical management of patients presenting with retinal detachment and cataracts secondary to severe AD. Six consecutive patients with diagnosis of severe AD requiring posterior segment and cataract surgery were included in the study...
September 2017: Eye
https://www.readbyqxmd.com/read/28771946/prophylactic-intravitreal-antibiotics-reduce-the-risk-of-post-traumatic-endophthalmitis-after-repair-of-open-globe-injuries
#4
Marwan A Abouammoh, Abdullah Al-Mousa, Mohammad Gogandi, Hani Al-Mezaine, Essam Osman, Abdulrahman M Alsharidah, Abdullah Al-Kharashi, Ahmed M Abu El-Asrar
PURPOSE: To investigate efficacy of prophylactic intravitreal antibiotics in reducing incidence of endophthalmitis after repair of open globe injuries. At King Abdulaziz University Hospital, a standard protocol of intravenous vancomycin and ceftazidime was used in all cases. METHODS: Charts of 353 patients who presented between January 2010 and January 2014 with open globe injury were retrospectively reviewed. In addition, the standard protocol in this cohort included prophylactic intravitreal antibiotics in high-risk cases at time of primary repair...
August 3, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28728538/effects-of-cataract-opacity-and-surgery-on-sleep-quality
#5
Aya Kokune-Takahashi, Masahiko Ayaki, Kazuo Tsubota, Kazuno Negishi
This study aimed to identify the type of cataract opacity associated with subjective sleep quality for cataract patients. A total of 180 consecutive patients (average age 74.2 years) underwent cataract surgery with implantation of an ultraviolet-blocking or blue light-blocking intraocular 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)...
August 29, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28706770/open-globe-injury-with-an-interesting-intra-ocular-foreign-body
#6
Ekjyot Gill, Matthew Shulman, Sid Schechet, Lawson Grumbine
Introduction: Cases of penetrating ocular trauma due to osseous material are limited, so reported incidents are valuable in determining outcomes and proper treatment courses. Case description: We report a case of an open globe injury of the left eye with an intraocular foreign body occurring after a firework exploded in the hand of a 22-year-old man. The patient presented with light perception vision in the injured eye with a full-thickness limbal laceration and dense hyphema obscuring fundoscopy. CT scan revealed a hyperdense foreign body juxtaposed to the lens...
2017: GMS Ophthalmology Cases
https://www.readbyqxmd.com/read/28691893/sleep-and-mood-changes-in-advanced-age-after-blue-blocking-yellow-intra-ocular-lens-iols-implantation-during-cataract-surgical-treatment-a-randomized-controlled-trial
#7
Olivia Zambrowski, Elsa Tavernier, Eric H Souied, Thomas Desmidt, Amélie Le Gouge, David Bellicaud, Béatrice Cochener, Nadège Limousin, Caroline Hommet, Elisabeth Autret-Leca, Pierre-Jean Pisella, Vincent Camus
OBJECTIVES: Both advanced age and depression are characterized by changes in sleep patterns. Light exposure is one of the main synchronizers of circadian cycles and influences sleep by inhibiting melatonin secretion, which is mostly sensitive to light of low wavelengths (blue). Blue-blocking (yellow) intraocular lenses (IOLs) have supplanted the usual UV-blocking (clear) IOLs during cataract surgery to prevent age-related macular degeneration, however, the impact of yellow IOLs on sleep and mood is unclear...
July 10, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28661569/effect-of-active-evaluation-on-the-detection-of-negative-dysphotopsia-after-sequential-cataract-surgery-discrepancy-between-incidences-of-unsolicited-and-solicited-complaints
#8
Natalia Y Makhotkina, Marjan D Nijkamp, Tos T J M Berendschot, Bart van den Borne, Rudy M M A Nuijts
PURPOSE: To evaluate the incidence of negative dysphotopsia after sequential cataract surgery. METHODS: Retrospective cohort study. The incidence of negative dysphotopsia was assessed by retrospective reviewing of medical records and interviews with patients between 2 and 4 months after sequential cataract surgery. Inclusion criteria were uncomplicated surgery, postoperative corrected distance visual acuity (CDVA) ≥20/25 Snellen and the absence of ocular comorbidity...
June 29, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28658954/preparation-and-characterization-of-biomimetic-%C3%AE-lens-crystallins-using-single-chain-polymeric-nanoparticles
#9
Jue Liang, Jessica J Struckhoff, Paul D Hamilton, Nathan Ravi
Presbyopia, the inability to focus at arm's length, and cataracts that cloud vision are associated primarily with changes in the mechanical and optical properties of the lens. The optical properties, particularly the refractive index, of the human lens originate from the cytoplasm of the lens fiber, which contains a highly concentrated solution (∼40%) of globular proteins referred to as α, β, and γ crystallins, of which β is the most abundant. In this study, we focus on the synthesis and characterization of a β-crystallin biomimetic in an effort to understand and develop treatments for presbyopia and cataract...
July 24, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28442135/-anesthetic-management-of-late-pressure-angioedema
#10
Inês Furtado, Filipe Linda, Sílvia Pica, Marco Monteiro
BACKGROUND AND OBJECTIVES: Late pressure angioedema is a rare form of angioedema in which light pressure stimulus can lead to edema after 1-12h. This uncommon and unreported entity is especially important in patients who undergo general anesthesia, for whom the usual harmless supine position, intravenous catheter insertion, standard monitoring, airway management and ventilation can lead to life threatening consequences as the trigger is a physical stimulus. CASE REPORT: In this report, we describe a successful perioperative anesthetic management of a 30 year old patient, proposed for intra-ocular lens insertion, with a severe form of the disease with peri-oral, tongue and limb edema presentation...
April 22, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28412795/-pay-attention-to-the-complexity-of-cataract-surgery-of-no-vitreous-eyes
#11
Y Z Bao
With wide-spread performance of pars plana vitrectomy, cataract surgeries with no vitreous are getting more and more. This kind of surgery has great difference between individuals and it lacks randomized large sample clinical trial. Surgical strategy decision was basically relied on the surgeon's personal experience. We should fully aware the individual and common characteristics of no vitreous cataract surgery. Surgical time should be carefully decided. Complete ocular examination, evaluation, design of cataract surgical procedure and appropriate intra-ocular lens selection are needed...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28273986/a-comparative-study-to-assess-the-predictability-of-different-iol-power-calculation-formulas-in-eyes-of-short-and-long-axial-length
#12
Dharmil Doshi, Purvi Limdi, Nilesh Parekh, Neepa Gohil
INTRODUCTION: Accurate Intraocular Lens (IOL) power calculation in cataract surgery is very important for providing postoperative precise vision. Selection of most appropriate formula is difficult in high myopic and hypermetropic patients. AIM: To investigate the predictability of different IOL (Intra Ocular Lens) power calculation formulae in eyes with short and long Axial Length (AL) and to find out most accurate IOL power calculation formula in both groups. MATERIALS AND METHODS: A prospective study was conducted on 80 consecutive patients who underwent phacoemulsification with monofocal IOL implantation after obtaining an informed and written consent...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28264049/vitreous-advanced-glycation-endproducts-and-%C3%AE-dicarbonyls-in-retinal-detachment-patients-with-type-2-diabetes-mellitus-and-non-diabetic-controls
#13
Bernardina T Fokkens, Douwe J Mulder, Casper G Schalkwijk, Jean L Scheijen, Andries J Smit, Leonoor I Los
PURPOSE: Advanced glycation endproducts (AGEs) and their precursors α-dicarbonyls are implicated in the progression of diabetic retinopathy. The purpose of this study was to assess AGEs and α-dicarbonyls in the vitreous of patients with type 2 diabetes mellitus (T2DM) with early stages or absence of diabetic retinopathy. METHODS: We examined vitreous samples obtained during vitrectomy from 31 T2DM patients presenting themselves with rhegmatogenous retinal detachment and compared these to 62 non-diabetic rhegmatogenous retinal detachment patients, matched on age, estimated glomerular filtration rate, smoking, intra-ocular lens implantation, and proliferative vitreoretinopathy...
2017: PloS One
https://www.readbyqxmd.com/read/28256400/amphiregulin-antibody-and-reduction-of-axial-elongation-in-experimental-myopia
#14
Wen Jun Jiang, Hui Xin Song, Shao Yu Li, Bin Guo, Jian Feng Wu, Guo Ping Li, Da Dong Guo, De Long Shi, Hong Sheng Bi, Jost B Jonas
To examine the mechanism of ocular axial elongation in myopia, guinea pigs (age: 2-3weeks) which either underwent unilateral or bilateral lens-induced myopization (group 1) or which were primarily myopic at baseline (group 2) received unilateral intraocular injections of amphiregulin antibody (doses: 5, 10, or 15μg) three times in intervals of 9days. A third group of emmetropic guinea pigs got intraocular unilateral injections of amphiregulin (doses: 0.25, 0.50 or 1.00ng, respectively). In each group, the contralateral eyes received intraocular injections of Ringer's solution...
March 2017: EBioMedicine
https://www.readbyqxmd.com/read/28208900/fuchs-heterochromic-iridocylitis-clinical-characteristics-and-outcome-of-cataract-extraction-with-intra-ocular-lens-implantation-in-a-kashmiri-population-a-hospital-based-study
#15
Wasim Rashid, Imtiyaz Lone, Adil Majid Mir, Aamir Rashid, Mehreen Latif
INTRODUCTION: Fuchs Heterochromic Iridocylitis (FHI) is a rare form of uveitis which is frequently complicated by cataract and glaucoma, but it does not show typical features of uveitis like pain, redness and posterior synechia. AIM: To study the clinical characteristics and outcome of cataract extraction with Intra Ocular Lens (IOL) implantation in patients with FHI. MATERIALS AND METHODS: The present prospective study was carried out in the Postgraduate Department of Ophthalmology, Sher-i-Kashmir Institute of Medical Sciences (SKIMS), Bemina from March 2012 to January 2015...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28179694/functional-and-anatomical-outcome-in-closed-globe-combat-ocular-injuries
#16
Qamar Ul Islam, Mazhar Ishaq, Amer Yaqub, Muhammad Kamran Saeed
OBJECTIVE: To analyse the pattern, visual and anatomical outcome of closed globe combat-related ocular injuries sustained by troops. METHODS: This retrospective study was conducted at Armed Forces Institute of Ophthalmology, Rawalpindi, Pakistan, and comprised patients with ocular injuries from January 2010 to June 2014. Record of each patient was evaluated and demography, mode and type of injury, initial and final visual acuity, associated globe injuries, concomitant non-ocular injuries, type of surgical procedures and complications were endorsed on a pre-devised proforma...
December 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27818207/validation-of-guidelines-for-undercorrection-of-intraocular-lens-power-in-children
#17
Virender Sachdeva, Sushma Katukuri, Ramesh Kekunnaya, Merle Fernandes, Mohammed Hasnat Ali
PURPOSE: Initial undercorrection of intraocular lens (IOL power) is a common practice in children undergoing pediatric cataract surgery. However, the long-term refractive status of these children is largely unknown. The purpose of this study is to analyze the long-term refractive status of these children. DESIGN: Retrospective observational study. METHODS: We analyzed records of children (<7 years of age) who underwent cataract surgery with a primary IOL implantation and had completed follow-up to ≥7 years of age...
February 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27741256/sustained-antibiotic-eluting-intra-ocular-lenses-a-new-approach
#18
Dulcia W N Tan, Soo Ghim Lim, Tina T Wong, Subbu S Venkatraman
Currently, infections following cataract surgery are not as effectively managed with antibiotic eye drops, which suffer from poor bioavailability of drug and low patient compliance. The ideal solution, which can help to overcome the issue of drug wastage and poor bioavailabilty, as well as the need for frequent applications (patient inconvenience), is a drug-eluting intraocular lens (IOL). We describe a novel approach to such a drug-eluting lens by using a peripheral IOL attachment as a drug depot to deliver antibiotics, Levofloxacin (LFX) or Moxifloxacin (MFX)...
2016: PloS One
https://www.readbyqxmd.com/read/27668790/flat-panel-ct-for-cochlear-implant-electrode-imaging-comparison-to-multi-detector-ct
#19
Tabassum A Kennedy, Nathan Connell, Timothy Szczykutowicz, Sebastian Schafer, Kevin Royalty, Sara Nace, Brian Gartrell, Samuel Gubbels
HYPOTHESIS: Flat-panel computed tomography (FPCT) will allow more accurate localization of cochlear implants with decreased metallic artifact and decreased radiation dose when compared with multi-detector CT (MDCT). BACKGROUND: The measurement of scalar location and intra-scalar position of cochlear implantation (CI) electrodes using computed tomography (CT) is complicated by metallic image artifact and insufficient scalar resolution. FPCT has been shown to improve upon the resolution of MDCT while reducing artifact...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27644440/injury-risk-prediction-from-computational-simulations-of-ocular-blast-loading
#20
Ashley A Weaver, Sarah M Stitzel, Joel D Stitzel
A predictive Lagrangian-Eulerian finite element eye model was used to analyze 2.27 and 0.45 kg trinitrotoluene equivalent blasts detonated from 24 different locations. Free air and ground level blasts were simulated directly in front of the eye and at lateral offset locations with box, average, less protective, and more protective orbital anthropometries, resulting in 96 simulations. Injury risk curves were developed for hyphema, lens dislocation, retinal damage, and globe rupture from experimental and computational data to compute risk from corneoscleral stress and intra-ocular pressure computational outputs...
September 19, 2016: Biomechanics and Modeling in Mechanobiology
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