Kearneya S, Strang NC, Cagnolati B , Gray LS.Introduzione: è noto che la progressione miopica è dovuta all’ incremento dellalunghezza assiale, ma ancora oggi i meccanismi sono ignoti. È noto chel’allungamento del bulbo oculare è correlato all’ incremento della statura...
Carla Lanca and Seang-Mei Saw Introduzione Il tempo trascorso davanti gli schermi digitali è stato più volte identificato come un fattore ambientale legato al rischio di un aumento del valore miopico. Nonostante ciò, l’associazione tra i due fattori non è...
Nathan Efron,⁎, Philip B. Morgan, Craig A. Woodsc, Jacinto Santodomingo-Rubidod, Jason J. Nicholse, The International Contact Lens Prescribing Survey Consortium Scopo: l’incremento della prevalenza della miopia in tutto il mondo, in particolar modo nelle regioni asiatiche, nonché le patologie oculari...
Scopo di questo lavoro è stato analizzare la relazione tra la profondità sagittale della cornea ed i dati di asimmetria derivanti da topografia con disco di Placido, con i parametri di una lente a contatto sclerale (ScCLs). Durante lo studio,...
Abstract: The prevalence of myopia is high and increasing. Approximately 5 billion people around the world are expected to be myopic by the year 2050. Methods to slow the progression of myopia and therefore potentially decrease the associated sight-threatening complications have been the subject of a number...
Abstract: Myopia occurs in more than 50% of the population in many industrialized countries and is expected to increase; complications associated with axial elongation from myopia are the sixth leading cause of blindness. Thus, understanding its etiology, epidemiology, and the results of various treatment regiments may...
Purpose: To investigate the changes in the quality of life and behaviors in children before and after wearing orthokeratology lenses and to analyze the potential impact of orthokeratology lenses on children‘s quality of life, behaviors, and the progression of myopia. Methods: A total of 100 children receiving orthokeratology lenses in the People’s Hospital of Hebei Province...
Purpose: To assess the visual acuity and compliance with the use of orthokeratology lenses (OrthoK) in school children. Methods: A retrospective study was conducted to determine the education-related factors influencing the improvement in visual acuity in myopic students using OrthoK in five primary schools in Taiwan. Results: Of the 5,173...
SIGNIFICANCE The effectiveness of multifocal contact lenses (MFCLs) at slowing myopia progression may hinge on the accommodative behavior of young eyes fit with these presbyopic style lenses. Can they remove hyperopic defocus? Convergence accommodation as well as pupil size and the...
Abstract Purpose To compare rates of myopia progression and adverse events between orthokeratology (OK) and soft contact lens (SCL) wearers over a 10‐year period in schoolchildren. Methods Medical records of consecutive patients (≤16 years of age at baseline) who started OK...
Abstract Purpose To gauge the extent to which differences in the refractive error axial length relationship predicted by geometrical optics are observed in actual refractive/biometric data. Methods This study is a retrospective analysis of existing data. Right eye refractive error...
Abstract Purpose With the increasing prevalence in myopia there is growing interest in active myopia prevention. This study aims to increase our understanding of parental attitudes to myopia development and control, as a means to inform future health planning and...
Abstract Purpose Despite extensive research, mechanisms regulating postnatal eye growth and those responsible for ametropias are poorly understood. With the marked recent increases in myopia prevalence, robust and biologically‐based clinical therapies to normalize refractive development in childhood are needed. Here,...
Purpose To characterise the impact of monofocal soft contact lens (SCL) and bifocal SCLs on refractive error, depth of focus (DoF) and orientation of blur in the peripheral visual field. Methods Monofocal and two bifocal SCLs, Acuvue Bifocal (AVB, Johnson...
SIGNIFICANCE Practitioners fitting contact lenses for myopia control frequently question whether a myopic child can achieve good vision with a high-add multifocal. We demonstrate that visual acuity is not different than spectacles with a commercially available, center-distance soft multifocal contact lens...
tradotto e adattato da http://www.aaojournal.org/article/S0161-6420(17)30367-6/fulltext Punti chiave: In questo articolo pubblicato su Ophtalmology, gli autori forniscono un resoconto su un programma proposto in alcune scuole elementari a Taiwan, istituito per contrastare l’alta incidenza di miopia, incoraggiando le attività all’aria aperta e...
Objectives: To assess the relative clinical success of MiSight contact lenses (CLs) (study group) and distance single-vision (SV) spectacles (control group) in children in terms of adverse events (AEs), discontinuations, and tear film osmolarity over a 2-year period. Methods: Seventy-four subjects aged...
Introduction: The peripheral refractive error of the human eye has been hypothesized to be a major stimulus for the development of its central refractive error. Aim: The purpose of this study was to investigate the changes in the peripheral refractive error across...
Recent increases in global myopia prevalence rates have raised significant concerns as myopia increases the lifelong risk of various sight-threatening ocular conditions. This growing public health burden has generated significant research interests into understanding both its aetiology and developing effective...
Punti Chiave : Abstract Purpose Photoreceptor light acceptance is closely tied to the Stiles-Crawford effect of the first kind (SCE-I). Whether the SCE-I plays a role in myopic development remains unclear although a reduction in directionality has been...
Punti Chiave : Sono stati testate lenti per occhiali disegnate per modificare la visione periferica, riducendone il defocus ipermetropico Si sono osservati errori di potere centrale Abstract Purpose Radial Refractive Gradient (RRG) spectacles are lenses specifically...
Abstract Purpose: To test the hypothesis that genes known to cause clinical syndromes featuring myopia also harbor polymorphisms contributing to nonsyndromic refractive errors. Methods: Clinical phenotypes and syndromes that have refractive errors as a recognized feature were identified using the Online Mendelian...
tradotto e adattato da...
Abstract One of the factors proposed to regulate the eye growth is the error signal derived from the defocus in the retina and actually, this might arise from defocus not only in the fovea but the whole visual field. Therefore,...
Punti Chiave : Risultati di 12 anni di ortocheratologia per il controllo della progressione della miopia BACKGROUND: Diversi studi riportano l’efficacia dell’ortocheratologia per quanto riguarda il controllo della miopia. Lo scopo di questo studio è quello di esaminare l’influenza dell’ortocheratologia...
Objective: To investigate whether initial assessment of contact lenses prescribed for myopia control (MC) predicts short-term visual performance. Method: Retrospective analysis of 43 participants in a double-masked, randomized, cross-over trial wearing at least one lens: single-vision (SV) lens (1-DAY ACUVUE...
Abstract Purpose: To investigate the relationship between lens power and age as well as the relationship between lens power and axial length (AL) in Chinese children and adolescents. Methods: The participants underwent a comprehensive ophthalmic examination that included AL, cycloplegic refraction, and...
SIGNIFICANCE: The Bifocal Lenses In Nearsighted Kids (BLINK) study is the first soft multifocal contact lens myopia control study to compare add powers and measure peripheral refractive error in the vertical meridian, so it will provide important information about the potential mechanism of myopia control. PURPOSE: The BLINK study is a...
Objectives: To determine the rate of myopia progression in children fit with a commercially available extended depth of focus (center distance) multifocal soft contact lens with attributes theoretically expected to slow the progression of myopia. Methods: A retrospective case series...
SIGNIFICANCE: The accommodative response is more affected by the type of refractive error than the method of stimulation, field of view (FOV), or stimulus depth. PURPOSE: This study aims to analyze the effect of stimulation method, stimulus depth, and FOV...
Abstract Purpose To describe longitudinal changes in corneal curvature (CC) and axial length (AL) over 14 years, and to explore the relationship between AL and CC, and the axial length/corneal radius (AL/CR) ratio. Methods In total 469, 6 to <12-year-old,...
Abstract Purpose To determine whether the initial characteristics of individual patterns of peripheral refraction relate to subsequent changes in refraction over a one-year period. Methods 54 myopic and emmetropic subjects (mean age: 24.9±5.1 years; median 24 years) with normal vision...
Myopia is an important public health issue, and high myopia may lead to severe complications if left untreated. Orthokeratology lenses, worn overnight to reshape the cornea, are one of many recent modalities used to slow down the progression of myopia...
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....
Purpose: To determine whether soft contact lenses with positive spherical aberration (+SA) can slow myopiaprogression. Methods: Eligible subjects (N = 127, primarily Asian) aged 8 to 11 years were randomized to wear either control(spherical design) or test (with +SA) soft daily disposable contact lenses for a minimum of 1 and up to 2 years (treatment phase). Subjects...
Abstract: Slowing the progression of myopia has become a considerable concern for parents of myopic children. At the same time, clinical science is rapidly advancing the knowledge about methods to slow myopia progression. This article reviews the peer-reviewed literature regarding...
Purpose: Higher myopic refractive errors are associated with serious ocular complications that can put visual function at risk. There is respective interest in slowing and if possible stopping myopia progression before it reaches a level associated with increased risk of...
“What we know is a drop; what we don’t know is an ocean.”—Isaac Newton sorgente: http://www.jaapos.org/article/S1091-8531(15)00575-3/abstract?rss=yes...
sorgente : http://onlinelibrary.wiley.com/doi/10.1111/cxo.12339/abstract;jsessionid=B16EF2A6F607CA71A63FE5B327A00DEE.f03t04...
Tradotto e adattato da Mini-review: Far peripheral vision Punti chiave: La visione periferica e la sua importanza funzionale è raramente oggetto di studi, ma il crescente interesse per la realtà virtuale e aumentata è un nuovo motivo per caratterizzarla in modo...
http://journals.lww.com/optvissci/Citation/2017/05000/Measurement_Duration_and_Frequency_Impact.7.aspx ABSTRACT Purpose. To determine the measurement duration and frequency required to reliably quantify the typical personal light exposure patterns of children and young adults. Methods. Ambient light exposure data were obtained from 31 young adults and 30 children using …
Purpose: To assess the relationship between short-term and long-term changes in power at different corneal locations relative to the change in central corneal power and the 2-year change in axial elongation relative to baseline in children fitted with orthokeratology contact...
http://www.jcrsjournal.org/article/S0886-3350(16)30396-0/fulltext?rss=yes
http://journals.lww.com/corneajrnl/Abstract/publishahead/Visual_Outcomes_After_SMILE,_LASEK,_and_LASEK.97397.aspx
http://www.sciencedirect.com/science/article/pii/S0042698916301675...
http://journals.lww.com/optvissci/Pages/articleviewer.aspx?year=9000&issue=00000&article=98408&type=Abstract
Lo sviluppo della miopia tra i bambini di Taipei (visualizza articolo completo) Un interessante studio condotto dei ricercatori di Taipei (Taiwan) sull’incidenza della miopia ci mostra quali possono essere considerati i fattori di rischio per l’insorgenza della miopia in età...
anche il New York Times avverte sulle potenzialità della luce solare rispetto allo sviluppo ed alla progressione della miopia for better vision, let the sunshine in (visualizza articolo…)
Gli impegni visivi prossimali divengono, proporzionalmente con il livello di scolarizzazione, sempre più intensi, e laprogressione e il controllo della miopia dei giovani studenti,è un evento che viene studiatosempre più attentamente. Tralasciando gli aspetti anatomici della questione, lo scopo di …
Livelli elevati di illuminazione nell’ambiente scolastico hanno un effetto protettivo sulla miopia articolo tradotto e adattato da Comitato Scientifico SOPTI Articolo Originale Elevated light levels in schools have a protective effect on myopia Wen-Juan Hua1, Ju-Xiang Jin1,, Xiao-Yan Wu1, Ji-Wen Yang2, …
Lo studio evidenzia che i livelli di illuminazione ambientale nelle aule scolastiche condizionano l’insorgenza e la progressione della miopia, e se adeguate, ritardano l’allungamento assiale del bulbo oculare. scarica abstract http://www.ncbi.nlm.nih.gov/pubmed/25913873
Necessario affidarsi a Raccomandazioni di Buona Pratica per efficacia e sicurezza Il controllo della miopia è argomento di estrema attualità. Ci sono diverse esperienze cliniche in merito e operatori che riferiscono successo con differenti procedure. Per il pubblico, al fine di …
estratto da http://ehp.niehs.nih.gov/122-a12/ E’ assodato che in molti paesi asiatici la miopia nei giovani abbia raggiunto proporzioni epidemiche. I bambini stanno diventando miopi sempre più precocemente e miopie anche importanti stanno divenendo sempre più comuni. Sebbene la miopia si …
