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Cataract AND supplements

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https://www.readbyqxmd.com/read/29380771/ocular-manifestations-of-isolated-corneal-bee-sting-injury-management-strategies-and-clinical-outcomes
#1
Hemalatha Gudiseva, Madhu Uddaraju, Sayali Pradhan, Manoranjan Das, Jeena Mascarenhas, M Srinivasan, N Venkatesh Prajna
PURPOSE: The purpose of this study is to describe the presenting features, management strategies, and clinical outcome following bee sting injury to the cornea. METHODS: Retrospective case series involving 11 eyes of 11 patients with corneal bee sting injuries who presented over a period of 2 years. Nine of these 11 eyes had the presence of intact bee stinger in the cornea, which was removed immediately under an operating microscope and sent for microbiological and histopathological evaluation...
February 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29355004/-exploration-on-the-history-of-acupuncture-in-chinese-buddhist-canon
#2
Liangsong Li, Zhaogeng Lin
It is believed that acupuncture science of Buddhist medicine has a long history and great characteristics after the investigation, research and analysis on the historic literature of acupuncture in Chinese Buddhist Canon. The writers tried to give the statements from 4 aspects. 1. Science of acupuncture in the time of Buddha. Firstly, the Buddhist acupuncture was mentioned in the time of Buddha, including substantial acupuncture, finger acupuncture and mental acupuncture. The substantial acupuncture refers to metal needle, plant needle, stone needle, bone needle, etc...
December 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29317238/gender-differences-in-mrna-expression-of-aquaporin-8-and-glutathione-peroxidase-in-cataractous-lens-following-intake-of-an-antioxidant-supplement
#3
Rijo Hayashi, Shimmin Hayashi, Miki Sakai, Kiyomi Arai, Makoto Chikuda, Shigeki Machida
Antioxidants can decrease oxidative damage and prevent age-related ocular disease. Our previous investigation on human aqueous humor following intake of a lutein-containing antioxidant supplement reported an increase in the scavenging activity of superoxide in both genders and an increase in the amount of hydrogen peroxide (H2 O2 ) in females. Aquaporin 8 (AQP8) is a diffusion facilitator of H2 O2 and glutathione peroxidase (Gpx) is a H2 O2 scavenging enzyme. The correlation between AQP8 and Gpx may be the key to determining how oxidative stress in the aqueous humor affects the lens after intake of antioxidant supplements...
March 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29189541/a-comparison-of-retrobulbar-versus-topical-anesthesia-in-trabeculectomy-and-aqueous-shunt-surgery
#4
Alex Theventhiran, Muhammad Shabsigh, Carlos Gustavo De Moraes, George A Cioffi, Mohammed Kamel, Dana Blumberg, Lama A Al-Aswad
PURPOSE: The purpose of this study was to compare the required supplemental anesthesia and postoperative patient pain score in individuals undergoing glaucoma surgery under topical anesthesia (TA) versus retrobulbar anesthesia (RB). MATERIALS AND METHODS: A retrospective, interventional, comparative cohort study of 261 eyes of 225 patients undergoing glaucoma and combined glaucoma with cataract surgery were included in the study. The main outcome measures were the amount of supplemental, systemic intraoperative anesthesia used and the postoperative pain scale between patients undergoing TA versus RB anesthesia...
January 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/29153456/association-of-mortality-with-ocular-diseases-and-visual-impairment-in-the-age-related-eye-disease-study-2-age-related-eye-disease-study-2-report-number-13
#5
Chandana Papudesu, Traci E Clemons, Elvira Agrón, Emily Y Chew
PURPOSE: To evaluate the association of mortality with visual acuity (VA) impairment, age-related macular degeneration (AMD), and cataract surgery. DESIGN: Cohort study. PARTICIPANTS: Participants with at least intermediate AMD enrolled in a randomized controlled clinical trial of lutein/zeaxanthin and/or omega-3 fatty acids, the Age-Related Eye Disease Study 2 (AREDS2), for treatment of AMD and cataract. METHODS: Baseline and annual eye examinations included best-corrected visual acuity (BCVA) assessments, slit-lamp examinations, and stereoscopic fundus photographs that were centrally graded for development of late AMD (central geographic atrophy or neovascular AMD) or pseudophakia...
November 16, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29129986/ghrelin-protects-human-lens-epithelial-cells-against-oxidative-stress-induced-damage
#6
Jie Bai, Fan Yang, Li Dong, Yi Zheng
Oxidative stress has been recognized as an important mediator in the pathogenesis of age-related cataracts; using antioxidant supplements is one plausible strategy to protect the antioxidative defense system against oxidative stress. Ghrelin administration is expected to reduce ROS, preventing the onset of different diseases. The role of ghrelin, if any, in protecting against oxidative stress in HLECs has never been examined. In the present study, we investigated the effects of ghrelin against H2 O2 -induced oxidative stress and the associated molecular mechanisms in HLECs and rat lenses...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29093983/the-importance-of-magnesium-in-clinical-healthcare
#7
REVIEW
Gerry K Schwalfenberg, Stephen J Genuis
The scientific literature provides extensive evidence of widespread magnesium deficiency and the potential need for magnesium repletion in diverse medical conditions. Magnesium is an essential element required as a cofactor for over 300 enzymatic reactions and is thus necessary for the biochemical functioning of numerous metabolic pathways. Inadequate magnesium status may impair biochemical processes dependent on sufficiency of this element. Emerging evidence confirms that nearly two-thirds of the population in the western world is not achieving the recommended daily allowance for magnesium, a deficiency problem contributing to various health conditions...
2017: Scientifica
https://www.readbyqxmd.com/read/28991115/preventing-adverse-events-in-cataract-surgery-recommendations-from-a-massachusetts-expert-panel
#8
Karen C Nanji, Sarah A Roberto, Michael G Morley, Joseph Bayes
Massachusetts health care facilities reported a series of cataract surgery-related adverse events (AEs) to the state in recent years, including 5 globe perforations during eye blocks performed by 1 anesthesiologist in a single day. The Betsy Lehman Center for Patient Safety, a nonregulatory Massachusetts state agency, responded by convening an expert panel of frontline providers, patient safety experts, and patients to recommend strategies for mitigating patient harm during cataract surgery. The purpose of this article is to identify contributing factors to the cataract surgery AEs reported in Massachusetts and present the panel's recommended strategies to prevent them...
October 4, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28820082/high-dose-b-vitamin-supplements-and-risk-for-age-related-cataract-a-population-based-prospective-study-of-men-and-women
#9
Jinjin Z Selin, Birgitta E Lindblad, Matteo Bottai, Ralf Morgenstern, Alicja Wolk
Previous studies that have investigated the association between B-vitamin supplement use and risk for cataract yield conflicting results. The aim of this study was to examine the association between use of high-dose B-vitamin supplements (approximately 10 times recommended daily intake) and risk for age-related cataract in a population-based prospective study of 13 757 women from the Swedish Mammography Cohort and 22 823 men from the Cohort of Swedish Men. Dietary supplement use and potential confounders were assessed using a questionnaire at baseline...
July 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28805198/severe-reversible-hypocalcemic-cardiomyopathy-diagnosed-36-years-after-subtotal-thyroidectomy-a-case-report
#10
Waldemar Elikowski, Małgorzata Małek-Elikowska, Patrycja Lachowska-Kotowska
Chronic hypocalcemia, irrespectively of its etiology, can lead to severe impairment of the left ventricular (LV) contractility manifesting as dilated cardiomyopathy, usually defined as hypocalcemic cardiomyopathy (hypocaCM). This rarely diagnosed type of heart failure (HF), can be completely reversible, when treated properly with calcium and vitamin D supplementation or, in some subjects, with human recombinant parathormone. A CASE REPORT: The authors present a case of a 60-year-old male admitted with advanced pulmonary congestion, recurrent pulmonary edema and pleural effusion...
July 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28754903/suppression-of-presbyopia-progression-with-pirenoxine-eye-drops-experiments-on-rats-and-non-blinded-randomized-clinical-trial-of-efficacy
#11
Yukari Tsuneyoshi, Akihiro Higuchi, Kazuno Negishi, Kazuo Tsubota
Various methods can correct presbyopia, but all require devices or surgeries. Recently, supplements or warming devices to relieve presbyopic symptoms have been developed, but no eye drops have been developed. We screened certain compounds possibly related to lens degeneration and identified pirenoxine, which has been used for cataracts, as a possible new pharmacologic treatment for presbyopia. We first researched the anti-presbyopic activity of pirenoxine in rats. The lens elasticity significantly (p = 0...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728169/correlations-between-macular-skin-and-serum-carotenoids
#12
Christopher D Conrady, James P Bell, Brian M Besch, Aruna Gorusupudi, Kelliann Farnsworth, Igor Ermakov, Mohsen Sharifzadeh, Maia Ermakova, Werner Gellermann, Paul S Bernstein
Purpose: Ocular and systemic measurement and imaging of the macular carotenoids lutein and zeaxanthin have been employed extensively as potential biomarkers of AMD risk. In this study, we systematically compare dual wavelength retinal autofluorescence imaging (AFI) of macular pigment with skin resonance Raman spectroscopy (RRS) and serum carotenoid levels in a clinic-based population. Methods: Eighty-eight patients were recruited from retina and general ophthalmology practices from a tertiary referral center and excluded only if they did not have all three modalities tested, had a diagnosis of macular telangiectasia (MacTel) or Stargardt disease, or had poor AFI image quality...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28720375/protective-role-of-antioxidant-compounds-against-peroxynitrite-mediated-modification-of-r54c-mutant-%C3%AE-a-crystallin
#13
Kazem Khoshaman, Reza Yousefi, Ali Akbar Moosavi-Movahedi
As a highly potent reactive oxygen and nitrogen species, peroxynitrite (PON) has endogenous production in the eye ball and contributes to a variety of ocular disorders. In the current study the structural characteristics, chaperone-like activity and conformational stability of R54C mutant αA-crystallin (αA-Cry) were studied upon modification with PON and in the presence of three antioxidant compounds such as ascorbic acid (ASA), glutathione (GSH) and N-acetylcysteine (NAC) using gel electrophoresis and different spectroscopy methods...
September 1, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28693452/ascorbic-acid-concentrations-in-aqueous-humor-after-systemic-vitamin-c-supplementation-in-patients-with-cataract-pilot-study
#14
Young-Sool Hah, Hye Jin Chung, Sneha B Sontakke, In-Young Chung, Sunmi Ju, Seong-Wook Seo, Ji-Myong Yoo, Seong-Jae Kim
BACKGROUND: To measure ascorbic acid concentration in aqueous humor of patients with cataract after oral or intravenous vitamin C supplementation. METHODS: Forty-two eyes of 42 patients with senile cataract who underwent uncomplicated cataract surgery were enrolled. Patients (n = 14 each) were administered oral vitamin C (2 g), intravenous vitamin C (20 g) or no treatment (control group) on the day before surgery. Samples of aqueous humor (0.1 cm3 ) were obtained by anterior chamber aspiration at the beginning of surgery and stored at -80 °C...
July 11, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28582804/food-components-and-ocular-pathophysiology-a-critical-appraisal-of-the-role-of-oxidative-mechanisms
#15
Reinlesh Raman, Ehsan Vaghefi, Andrea J Braakhuis
BACKGROUND AND OBJECTIVES: Three of the major ocular diseases, namely cataracts, age-related macular degeneration and glaucoma are associated with oxidative damage. Disease risk and progression may be reduced through consumption of dietary components. To critically examine the literature on dietary and supplemental intakes of fruit and vegetables, meat, antioxidants (vitamins C, E and A), calcium, folate, iron, and their association with ocular disease. METHODS AND STUDY DESIGN: Google Scholar and key references from texts and publications were searched using search terms (eye disease, antioxidants), (vision, nutrition), no date restriction, only articles in English were included...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28475111/riboflavin-responsive-mitochondrial-dysfunction-in-neurodegenerative-diseases
#16
REVIEW
Tamilarasan Udhayabanu, Andreea Manole, Mohan Rajeshwari, Perumal Varalakshmi, Henry Houlden, Balasubramaniem Ashokkumar
Mitochondria are the repository for various metabolites involved in diverse energy-generating processes, like the TCA cycle, oxidative phosphorylation, and metabolism of amino acids, fatty acids, and nucleotides, which rely significantly on flavoenzymes, such as oxidases, reductases, and dehydrogenases. Flavoenzymes are functionally dependent on biologically active flavin adenine dinucleotide (FAD) or flavin mononucleotide (FMN), which are derived from the dietary component riboflavin, a water soluble vitamin...
May 5, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28434885/early-performance-on-an-eye-surgery-simulator-predicts-subsequent-resident-surgical-performance
#17
Ramak Roohipoor, Mehdi Yaseri, Amir Teymourpour, Carolyn Kloek, John B Miller, John I Loewenstein
OBJECTIVE: To examine early performance on an eye surgery simulator and its relationship to subsequent live surgical performance in a single large residency program. DESIGN: Retrospective study. SETTING: Massachusetts Eye and Ear, Harvard Medical School, Department of Ophthalmology. METHODS: In a retrospective study, we compared performance of 30 first-year ophthalmology residents on an eye surgery simulator to their surgical skills as third-year residents...
November 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28425969/the-pharmacological-effects-of-lutein-and-zeaxanthin-on-visual-disorders-and-cognition-diseases
#18
REVIEW
Yu-Ping Jia, Lei Sun, He-Shui Yu, Li-Peng Liang, Wei Li, Hui Ding, Xin-Bo Song, Li-Juan Zhang
Lutein (L) and zeaxanthin (Z) are dietary carotenoids derived from dark green leafy vegetables, orange and yellow fruits that form the macular pigment of the human eyes. It was hypothesized that they protect against visual disorders and cognition diseases, such as age-related macular degeneration (AMD), age-related cataract (ARC), cognition diseases, ischemic/hypoxia induced retinopathy, light damage of the retina, retinitis pigmentosa, retinal detachment, uveitis and diabetic retinopathy. The mechanism by which they are involved in the prevention of eye diseases may be due their physical blue light filtration properties and local antioxidant activity...
April 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28405668/functional-food-supplements-to-ameliorate-the-secondary-complications-in-high-fructose-fed-diabetic-rats
#19
S S Gite, S A Yadav, S S Nilegaonkar, V V Agte
Functional foods are the most natural and safest source of health ingredients, providing health benefits beyond basic nutrition, and hence can be used as supplements for the prevention of secondary complications in diabetes. Persistent diabetes may cause glycation of various tissue proteins such as of those in lens, kidney, blood, and brain, which may further lead to the development of pathological conditions such as cataract and cardiovascular diseases. This study on adult rats was designed to assess if the functional food supplements A and B (proprietary blends of antioxidant rich plant materials) can reduce secondary complications such as cataract, dyslipidemia, and oxidative stress under severe diabetic conditions...
May 24, 2017: Food & Function
https://www.readbyqxmd.com/read/28367524/effects-of-adjuvant-omega-3-fatty-acid-supplementation-on-dry-eye-syndrome-following-cataract-surgery-a-randomized-clinical-trial
#20
Mehrdad Mohammadpour, Shima Mehrabi, Narges Hassanpoor, Reza Mirshahi
PURPOSE: To investigate the effect of omega-3 polyunsaturated fatty acid supplement on qualitative and quantitative subjective (ocular surface disease index [OSDI]) and objective (Schirmer's test, tear break up time [TBUT], and tear osmolarity) dry eye indices after cataract surgery. METHODS: In this randomized clinical study, 61 eyes of 48 patients complaining of new onset dry eye symptoms after phacoemulsification were enrolled. Subjects were randomly allocated into two groups using urn randomization...
March 2017: Journal of Current Ophthalmology
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