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pharmacological myopia treatment

Michela Fresina, Giuseppe Giannaccare, Piera Versura, Emilio C Campos
INTRODUCTION: Acute acquired distance esotropia (AADE) is a poorly understood moderate-angle strabismus, affecting young adult myopes and determining bothersome diplopia. Symptoms can be intermittent in the early stages, becoming constant in long-lasting disease. Symptomatic therapy includes prism correction, while surgery is the only curative treatment. However, the latter is affected by high rate of symptoms recurrence with the frequent need for reoperation. HYPOTHESIS: We hypothesize that AADE could be caused by the increase of the accommodative demand, often secondary to a myopic overcorrection...
September 2016: Medical Hypotheses
V P Erichev, Yu V Mazurova, Tszin Dan
UNLABELLED: Many factors exist that are associated with higher risk of glaucoma progression. Arterial hypotension, low perfusion pressure, vasospastic syndrome, diabetes mellitus, myopia, etc. increase the need for neuroprotective therapy, which is aimed at stabilizing the pathological process and creating favorable conditions for maintaining visual functions. The aim of this study was to assess the therapeutic efficacy of Gliatilin as part of the complex treatment of progressive glaucomatous optic neuropathy...
March 2016: Vestnik Oftalmologii
Kaivon Pakzad-Vaezi, Hemal Mehta, Zaid Mammo, Adnan Tufail
INTRODUCTION: Myopic choroidal neovascularization (CNV) is the most common cause of CNV in those under 50 years of age. It is a significant cause of visual loss in those with pathologic myopia. The current standard of care involves therapy with intravitreal inhibitors of vascular endothelial growth factor (VEGF). AREAS COVERED: The epidemiology of myopia, high myopia, pathologic myopia, and myopic CNV is reviewed, along with a brief discussion of historical treatments...
July 2016: Expert Opinion on Biological Therapy
Jinhai Huang, Daizong Wen, Qinmei Wang, Colm McAlinden, Ian Flitcroft, Haisi Chen, Seang Mei Saw, Hao Chen, Fangjun Bao, Yune Zhao, Liang Hu, Xuexi Li, Rongrong Gao, Weicong Lu, Yaoqiang Du, Zhengxuan Jinag, Ayong Yu, Hengli Lian, Qiuruo Jiang, Ye Yu, Jia Qu
PURPOSE: To determine the effectiveness of different interventions to slow down the progression of myopia in children. METHODS: We searched MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, World Health Organization International Clinical Trials Registry Platform, and from inception to August 2014. We selected randomized controlled trials (RCTs) involving interventions for controlling the progression of myopia in children with a treatment duration of at least 1 year for analysis...
April 2016: Ophthalmology
Rebecca Milston, Michele C Madigan, J Sebag
Vitreous is a hydrated extracellular matrix comprised primarily of water, collagens, and hyaluronan organized into a homogeneously transparent gel. Gel liquefaction results from molecular alterations with dissociation of collagen from hyaluronan and aggregation of collagen fibrils forming fibers that cause light scattering and hence symptomatic floaters, especially in myopia. With aging, gel liquefaction and weakened vitreoretinal adhesion result in posterior vitreous detachment, the most common cause of primary symptomatic floaters arising from the dense collagen matrix of the posterior vitreous cortex...
March 2016: Survey of Ophthalmology
Harsha Bhattacharjee, Rushil Kumar Saxena, Jnanankar Medhi
We report a rare case of bilateral spontaneous anterior partial in-the-bag intraocular lens (IOL) dislocation in a 75-year-old man with pseudoexfoliation (PXF). He underwent uneventful phacoemulsification in both eyes with in-the-bag IOL implantation 9 years back. In the right eye, single piece poly (methyl methacrylate) (PMMA) IOL (+19 D) and in the left eye, single piece acrylic foldable IOL (+19 D) were implanted. An attempt at pharmacological IOL repositioning was unsuccessful. The dislocated IOLs were explanted and exchanged with scleral suture fixated PMMA IOLs...
October 2015: Indian Journal of Ophthalmology
Paul Gifford, Kate Louise Gifford
The growing incidence of pediatric myopia worldwide has generated strong scientific interest in understanding factors leading to myopia development and progression. Although contact lenses (CLs) are prescribed primarily for refractive correction, there is burgeoning use of particular modalities for slowing progression of myopia following reported success in the literature. Standard soft and rigid CLs have been shown to have minimal or no effect for myopia control. Overall, orthokeratology and soft multifocal CLs have shown the most consistent performance for myopia control with the least side effects...
April 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
Gary D Novack, Alan L Robin
Ophthalmic diseases include both those analogous to systemic diseases (eg, inflammation, infection, neuronal degeneration) and not analogous (eg, cataract, myopia). Many anterior segment diseases are treated pharmacologically through eye drops, which have an implied therapeutic index of local therapy. Unlike oral dosage forms administered for systemic diseases, eyedrops require patients not only to adhere to treatment, but to be able to accurately perform-ie, instill drops correctly. Anatomical and physiological barriers make topical delivery to the anterior chamber challenging-in some cases more challenging than absorption through the skin, nasal passages, or gut...
May 2016: Journal of Clinical Pharmacology
Arabella Stuart, John A Ford, Susan Duckworth, Colin Jones, Augustine Pereira
OBJECTIVES: The aim of this study is to systematically review the evidence for anti-vascular endothelial growth factor (VEGF) therapy in choroidal neovascularisation secondary to conditions other than age-related macular degeneration. DATA SOURCES: MEDLINE, MEDLINE in-process, EMBASE and CENTRAL databases and conference abstracts were searched (from inception to Jan 2014). STUDY ELIGIBILITY CRITERIA, PARTICIPANTS AND INTERVENTIONS: Randomised and non-randomised comparative studies with follow-up of at least 6 months were included and were used to assess clinical effectiveness...
2015: BMJ Open
Giada Colafrancesco, Giulia Maria Di Marzio, Giuseppe Abbracciavento, Vera Stoppioni, Vincenzo Leuzzi, Mauro Ferrara
UNLABELLED: Homocystinuria due to cystathionine-β-synthase deficiency (CBS deficiency) usually presents with ectopia lentis, myopia, intellectual disability, skeletal anomalies resembling Marfan syndrome, and thromboembolic events. Whereas neurodevelopment impairments have been often described in untreated homocystinuria adult patients, acute psychosis has rarely been reported as a presenting symptom of the disease. Here, we describe a 17-year-old girl affected by CBS deficiency presenting acute onset of visual hallucinations, behavioral perseverance, psychomotor hyperactivity, and affective inappropriateness...
September 2015: European Journal of Pediatrics
Ioannis M Aslanides, Vasilis D Selimis, Nikolaos V Bessis, Panagiotis N Georgoudis
PURPOSE: We report our experience with the use of the matrix regenerating agent (RGTA) Cacicol(®) after reverse transepithelial all-surface laser ablation (ASLA)-SCHWIND to assess the safety, efficacy, pain, and epithelial healing. METHODS: Forty eyes of 20 myopic patients were prospectively recruited to a randomized fellow eye study. Patients underwent transepithelial ASLA in both eyes, with one of the eyes randomly assigned to the use of the RGTA Cacicol. Postoperative pain and vision were subjectively assessed with the use of a questionnaire on the operative day, at 24 hours, 48 hours and 72 hours...
2015: Clinical Ophthalmology
Hermann Am Mucke, Peter Mucke, Eva Mucke
We have used a focused and comprehensive ophthalmology patent database to characterize the international patenting landscape dedicated to the pharmacological treatment of cataract, corneal opacities and dystrophies, and complicated refractive errors. A total of 201 disclosures related to cataract or corneal clouding (published between 1982 and 2011), and 99 documents (published between 1991 and 2011) related to refractive or geometry errors were identified. Current applications for the treatment or prevention of primary cataract have ceased to address diabetic cataract specifically through the inhibition of glycation-specific mechanisms...
May 2012: Pharmaceutical Patent Analyst
Jeffrey Cooper, Erica Schulman, Nadine Jamal
This is a review of the current literature describing the effect of atropine, bifocals, and/or contact lenses on slowing the progression of myopia. Cumulative data from a number of studies have demonstrated atropine instilled once a day in myopic eyes resulted in a 90% average reduction of myopia progression, as compared to untreated eyes, i.e., from 0.50 D/year to 0.05 D/year. Pirenzepine, a muscarinic pharmacological agent, has a minimal effect on pupil size and accommodation, and it has been shown to slow myopia by 44%...
May 2012: Optometry: Journal of the American Optometric Association
J V Iyer, W C J Low, M Dirani, S-M Saw
PURPOSE: To assess the relationship between parental smoking and childhood refractive errors in Singapore Chinese children aged 6-72 months recruited through the STrabismus, Amblyopia, and Refractive errors in Singaporean children study. METHODS: A total of 4164 children were recruited, with a positive response rate of 72.3% (n=3009). Cycloplegic refraction measurements were obtained from all children by trained eye professionals. Parents underwent an interviewer-administered questionnaire with information on demographics, lifestyle, and parental smoking history being obtained...
October 2012: Eye
(no author information available yet)
The authors propose an integrated method of rehabilitation of the vision (a course of physiotherapy and incentive effects, additional medical and non-pharmacological treatment, application of self-correction), which provides military specialists--operators of visual-intensive work after the excimer laser correction of myopia higher level of visual performance, prevention of accommodative disorders, the progression of of myopia and astenopicheskih states.
May 2012: Voenno-medit︠s︡inskiĭ Zhurnal
Antonio Toso, Simonetta Morselli
PURPOSE: To evaluate the postoperative changes in spherical aberration and the point-spread function (PSF) induced by the implantation of a new angle-supported phakic intraocular lens (pIOL). SETTING: Department of Ophthalmology, St. Bassiano Hospital, Bassano del Grappa, Italy. DESIGN: Prospective nonrandomized cohort study. METHODS: Eyes with high myopia had implantation of an Acrysof Cachet angle-supported pIOL. Preoperative and postoperative total spherical aberration and PSF were measured using a Luneau 80 Wave+ wavefront aberrometer (high-resolution Hartmann-Shack technology) at a fixed entrance pupil scan size of 5...
September 2012: Journal of Cataract and Refractive Surgery
Ian G Morgan, Kyoko Ohno-Matsui, Seang-Mei Saw
Myopia has emerged as a major health issue in east Asia, because of its increasingly high prevalence in the past few decades (now 80-90% in school-leavers), and because of the sight-threatening pathologies associated with high myopia, which now affects 10-20% of those completing secondary schooling in this part of the world. Similar, but less marked, changes are occurring in other parts of the world. The higher prevalence of myopia in east Asian cities seems to be associated with increasing educational pressures, combined with life-style changes, which have reduced the time children spend outside...
May 5, 2012: Lancet
Takanori Tsuda
Anthocyanins are one type of flavonoid phytopigment. Although the role of anthocyanins as a functional food factor remains relatively less established than that of other flavonoids, progress in this area has been made at the molecular level in recent years. This review discusses the potential health benefits of plant-derived anthocyanin-rich foods, with a focus on the role of anthocyanins in obesity control, diabetes control, cardiovascular disease prevention, and improvement of visual and brain functions, areas that have attracted much attention...
January 2012: Molecular Nutrition & Food Research
Vanee V Virasch, Dustin Stwalley, Steven M Kymes, Stephen A Wexler
PURPOSE: To evaluate refractive outcomes of custom laser in situ keratomileusis (LASIK) based on undilated and pharmacologically dilated wavefront aberrometry with the Visx laser system. SETTING: Clinical refractive practice, St. Louis, Missouri, USA. DESIGN: Comparative case series. METHODS: Eyes that had LASIK using dilated wavescans (study group) were evaluated for the reason for use of dilated scans; age; preoperative refractive error; preoperative root mean square (RMS), coma, trefoil, and spherical aberration values; postoperative uncorrected distance visual acuity (UDVA); postoperative refractive error; percentage of iris-registration capture; and enhancement rate...
October 2011: Journal of Cataract and Refractive Surgery
Seo-Wei Leo, Terri L Young
Myopia is the most common human eye disorder. With its increasing prevalence and earlier age-of-onset in recent birth cohorts, myopia now affects almost 33% of adults in the United States, and epidemic proportions of 85% to 90% adults in Asian cities. Unlike children in Western populations, where the prevalence of myopia is very low (less than 5%), Asian children have prevalences as high as 29% in 7-year-olds. In addition to the direct economic and social burdens of myopia, associated ocular complications may lead to substantial vision loss...
April 2011: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
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