A report by the American Academy of OphthalmologyMelinda Y. Chang et al., 2021 IntroduzioneL’insufficienza di convergenza (CI) è un disordine della visione binoculare in cui la capacità diconvergere per osservare un target posto a distanza ravvicinata è ridotta.Si stima che...
Mark Willcox a , *, Nancy Keir b , Vinod Maseedupally a , Simin Masoudi a , Alison McDermott c , Rabia Mobeena , Christine Purslow d , Jacinto Santodomingo-Rubido e , Silvia Tavazzi f , Fabrizio Zeri f ,...
Morgan P et al, 2021 Negli ultimi decenni sono stati introdotti nel mercato nuovi materiali egeometrie di lenti a contatto (LAC) che hanno migliorato il comfort e la salute oculare deiportatori. Ciononostante, le LAC inducono ancora delle modifiche anatomiche e...
Rosenfield MLa pratica Optometrica si sta espandendo in diversi Paesi in tutto il mondo e, mentrela professione muta occupandosi sempre più spesso e più a fondo di primary care,terapia e trattamento delle patologie oculari, a volte si può avere l’impressione...
Nemeth J et al. Introduzione: La prevalenza della miopia si attesta a livello globale a circa 2,9 miliardi dipersone e si prevede che saliranno a 4,9 miliardi nel caso in cui non si agisca con strategieper arrestare la progressione miopica....
Bist J, Kaphle D, Marasini S and Himal Kandel ObiettivoLa non tolleranza agli occhiali o gli eventi avversi all’uso di occhiali rappresentano unapreoccupazione reale sia per i pazienti che per i professionisti che si occupano di visione. Lamancanza di impattare...
Laura Boccardo Introduzione e scopo: durante la pandemia da COvid-19, l’uso della mascherina è statolargamente raccomandato come misura chiave per limitare il contagio da SARS-CoV-2. Èstato rilevato un aumento marcato della sintomatologia da occhio secco tra chi ha usatoregolarmente a...
Schulze, Marc-Matthias PhD, Dipl Ing, FAAO 1,∗ ; Ng, Alison PhD, MCOptom, FAAO 1 ; Yang, Mike OD, FAAO 1 ; Panjwani, FarahOD 2 ; Srinivasan, Sruthi PhD, BSOptom, FAAO 3 ; Jones, Lyndon W. PhD, FCOptom, FAAO 1 ;...
Morten Schjerven Magno a,b , Tor Paaske Utheim a, Harold Snieder c, Christopher J. Hammond d,e , Jelle Vehof b,c,d,*a Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Oslo, Norwayb Departments of Ophthalmology, University of Groningen, University Medical Center...
Wang,J et al. Introduzione: È stimato che metà della popolazione mondiale diventerà miope nel 2050.Negli ultimi anni la ricerca sulla progressione miopica ha dimostrato che la poca attivitàall’aperto e l’uso prolungato della visione prossimale sono fattori di rischio per la...
Go Mawatari, Saeko Uchida, Nobushisa Nao-I Obiettivo: le lenti progressive sono un modo efficiente e comodo di compensare la presbiopia,specialmente in soggetti di mezza età che hanno bisogno di occhiali da lettura. Tuttavia, con le lentiprogressive, la visione perfierica può...
Lin Z, Vasudevan B, Liang YB, Zhou HJ, Ciuffreda KJIntroduzione: La miopia è l’errore refrattivo più diffuso nel mondo. Studi clinici eseguiti sullapopolazione dell’area urbana di Pechino dimostrano che la nuova generazione risulta piùmiope rispetto alla generazione precedente. Ciò fa...
Giada Campo Dall’Orto a, Alessio Facchin a,b,c,d, Alessia Bellatorre a, Silvio Maffioletti a,d, Marina Serio a,e,a,Degree Course of Optics and Optometry, University of Torino, Italy b,Department of Psychology, University of Milano Bicocca, Milano, Italyc,Optics and Optometry Research Center, University of...
Szczesna-Iskander D., Quintana C.Introduzione: La valutazione del tempo di rottura del film lacrimale (tear break- up time, TBUT) può essere svolta in maniera non invasiva e invasiva: la prima modalità sfrutta la riflessione degli anelli del disco di Placido di...
Dawn Meyer*, Martin Rickert, Pete KollbaumIndiana University School of Optometry, 800 E. Atwater Ave, Bloomington, IN, 47405, USA Scopo: si sente sempre più spesso parlare di ‘’affaticamento oculare’’, termine soventemente utilizzato perdescrivere dei problemi relativi alla vista, associati ad uno...
Alicia Sànchez-García, Miguel A. Ariza, Phillippe Büchler, Ainhoa Molina-Martin, David P Piñero. Scopo: l’obiettivo di questa revisione è stato riassumere i diversi cambiamenti strutturali eistologici della cornea, che si verificano dopo un trattamento ortocheratologia (OK). Percondurre la revisione sistematica è...
Mulder JA, van Tilborg MM, Huntjens B, Introduzione: lo sviluppo tecnologico permette l’acquisizione dei parametri cornealiper una area corneale sempre più ampia ed alcuni strumenti ci permettono anche diottenere delle misure del profilo sclerale. Alcuni di questi strumenti acquisiscono iparametri...
Anna-Kaye M. Logan, OD, FAAO,1 Ananya Datta, BOptom, MPhil, PhD,1 Kelsea Skidmore, OD, MS, FAAO,1 Erin S. Tomiyama, OD, MS, FAAO,1Chuan Hu, MD, OD,1 Moriah A. Chandler, OD, FAAO,1 Bryan Procopio, BS,1 Minal Bhadane, PhD,1 Julia S. Benoit, PhD,1 Eric...
Jiméneza EC, Romeo A Zapatae LP, Puiga MS, Bustos-Valenzuelaa P, Cañeteg J, Casalg PV, Supèr H. Introduzione: le persone dislessiche o con difficoltà di lettura, risultano avere un deficit funzionaledelle vie visive dorsali e dell’attenzione. Quest’ultima comporta una difficoltà nel...
Teng Leng Ooi 1 , Zijiang J He 21College of Optometry, The Ohio State University, Columbus, OH, USA;2Department of Psychological and Brain Sciences, University of Louisville,Louisville, KY, USA La dominanza oculare si riferisce alla preferenza nell’ utilizzare un occhio rispetto...
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...
Jinabhai AN. L’irregolarità della superficie corneale nei soggetti con cheratocono inducecomunemente le seguenti aberrazioni: il coma verticale dovuto alla riduzione dellospessore stromale nell’area inferiore della cornea; trifoglio astigmatico eaberrazione sferica indotta dalla curvature dell’apice del cono.L’utilizzo di un aberrometro è...
Lee L, Burnett AM, Panos JG, Paudel P, Keys D, Ansari HM, Yu M.Introduzione: La stampa in 3D sfrutta il processo di manifattura additiva, cosiddettaperché aggiunge multistrati di materiali per produrre il prodotto finale e nonnecessita di sottrarre materiale di...
Elliott DB, Black AA ,Wood JMIntroduzione: È risaputo che le persone anziane si adattano ai cambiamentirefrattivi più difficilmente rispetto ai giovani e agli adulti. Mentre uno studio clinicorandomizzato ha dimostrato che la correzione di errori refrattivi post-rimozione dicataratta riduca la...
David H. Burns, Peter M. Allen, David F. Edgar, Bruce J.W. Evans La misura dell’ampiezza accomodativa (AoA) è una procedura di routine effettuata durante un esame optometrico di base. Per ampiezza accomodativa si intende il massimo range accomodativo di ciascun...
Gifford KL, Gifford P, Hendicott PL, Schmid KL. Introduzione: La refrazione periferica relativa (RPR) misura lo stato refrattivo nella periferia retinica in relazione alla refrazione centrale comunemente misurata. La refrazione periferica di una persona miope è ipermetropica e si ipotizza...
Cho P, Poon HY, Chen CC, Yuon LT Introduzione: Le soluzioni uniche per lenti rigide gas permeabili (RGP) non sono state oggetto di innovazione visto il maggior uso di lenti a contatto (LAC) morbide. Recentemente, dato il rinnovato interesse nell’utilizzo...
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...
Etty Bitton, William Ngo, Patrice Dupont Introduzione: La pulizia della rima palpebrale non risulta completamente efficace eseguendo la comune routine della pulizia facciale, e ciò comporta una sovrappopolazione della flora batterica. Nonostante questi batteri non siano patogeni, l’eccessiva presenza batterica...
Christine de Weger, Nienke Boonstra and Jeroen Goosens Introduzione: i bambini con sindrome di Down (Down Syndrome, DS) hanno generalmente delle funzioni visive ridotte. Il 50-90% di essi, presenta un’accomodazione ridotta e un lag accomodativo ridotto sia da lontano che...
CITT-ART Investigator Group L’insufficienza di convergenza è un disturbo della visione binoculare caratterizzato da un’insufficienza di convergenza e dalla difficoltà di mantenere una fusione binoculare da vicino. Dai dati presenti in letteratura, si stima che l’insufficienza di convergenza interessi dai...
Stapleton F, Chao C, and Golebiowski B. Scopo: il discomfort da lenti a contatto (Lac) è una problematica che affligge i portatori di Lac, i contattologi e le stesse aziende produttrici di Lac. Lo scopo di questa revisione è quella...
Esmael Habtamu1, Andrew Bastawrous1,2, Nigel M. Bolster2, Zerihun Tadesse3, E. Kelly Callahan4, Bizuayehu Gashaw5, David Macleod1, and Matthew J. Burton1 1 International Centre for Eye Health, London School of Hygiene & Tropical Medicine, London, UK 2 Peek Vision Limited, London,...
Jos J Rozema1,2 , Sarah Hershko1,2, Marie-Jos_e Tassignon1,2, for EVICR.net, Project Gullstrand Study Group† 1Department of Ophthalmology, Antwerp University Hospital, Edegem, Belgium, and 2Department of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium Scopo: lo studio mira ad esaminare...
di Meibomio William Ngoa, Sruthi Srinivasanb, Lyndon Jones Introduzione: La disfunzione delle ghiandole di Meibomio è una condizione oculare cronica, in cui le ghiandole di Meibomio risultano otturate e di conseguenza si verifica un’alterazione qualitativa e quantitativa della normale secrezione....
Jolly JK, Gray JM, Salvetti AP, Han RC, MacLaren RE. Introduzione: Una ridotta acuità visiva (AV), inferiore ai 1.6 LogMAR (massima acuità misurata con il EDTRS) generalmente viene valutata con l’utilizzo di metodi non quantitativi, come ad esempio chiedere di...
Kaltenegger K, Kuester S, Altpeter-Ott E, Eschweiler GW, Cordey A, Ivanov IV, Martus P, Knipp C, Trauzettel-Klosinski S. Introduzione: La degenerazione maculare (DM) senile è una patologia che provoca un deficit visivo, riduce la qualità di vita e induce depressione....
ABSTRACT: nello studio BAM (acronimo delle parole inglesi Bifocal & Atropine in Myopia Study), i ricercatori hanno voluto verificare se l’uso combinato di atropina al 0.01% e di lenti a contatto morbide bifocali con centro lontano (SBCL) con addizione +2.50...
Scopo: in questo articolo gli autori hanno investigato sulla relazione tra le alterazioni del campo visivo e le abilità di lettura nei soggetti affetti da glaucoma primario ad angolo aperto (indicato con l’acronimo dei termini inglesi POAG), utilizzando la versione...
Scopo: questo lavoro valuta se l’utilizzo di un filtro per luce blu applicato a dispositivi elettronici riduce i sintomi di discomfort generalmente causati da un uso prolungato di quest’ultimi. L’insieme dei sintomi da uso di dispositivi digitali è definito DES...
Questo articolo propone una revisione sistematica che fornisce un utile sommario sulle possibili alterazioni della trasparenza corneale, concentrandosi in particolar modo sulla sua valutazione, soggettiva ed oggettiva, nei portatori di lenti a contatto. Negli ultimi anni sono stati introdotti nella...
Le linee guida cliniche sulle migliori pratiche per il controllo della miopia, implicano la comprensione di una vasta gamma di elementi correlati tra loro, quali i fattori di rischio, l’epidemiologia della miopia, l’ambiente visivo e i trattamenti ottici e farmacologici....
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,...
Quando leggiamo, abbiamo l’impressione che i nostri occhi (e la mente) scivolino continuamente da una parte all’altra del testo tranne che per piccole parti in cui incontriamo delle difficoltà ed a questo punto ci fermiamo per considerare cosa abbiamo appena...
The authors, in order to obtain a simple and precise tool for the evaluation of visual acuity, have studied and realized the Milan Eye Charts (Mec). It consists in a series of tables whose structure, graphic design and administration procedure...
The latest research reveals that the use of smartphones and tablets in the world has increased progressively in recent years. The visual and ocular discomfort associated with the use of these electronic devices is increasingly widespread. The symptoms are: headache,...
Introduzione La cataratta è definita come un’opacità del cristallino capace di produrre una riduzione visiva o una qualsiasi disabilità funzionale misurabile e percepita dal soggetto. [1] Questo disordine rappresenta la principale fonte di menomazione visiva, determinando in Europa oltre il...
Key Points Question Does a single 24-hour curve with a contact lens sensor that measures intraocular pressure–related patterns correlate with the rates of visual field progression in patients with treated glaucoma? Findings In a cohort study including 445 patients (445 eyes) with...
Highlights • In phoria adaptation the version and slow fusional vergence systems may interact. • Results have impact for measuring vergence fusional range. • Asymmetrical phoria adaptation was similar to symmetrical phoria adaptation but differed in the response to base-out prisms. Abstract...
L’ultimo studio scientifico pubblicato: Highlights •Summer sun exposure for one season at 43° latitude leads to microstructural changes affecting the ocular surface. •Although clinically undetectable those changes are possibly with cumulative nature. •Ocular surface protection from UV damage has a...
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: The prevalence of myopia and high myopia has significantly increased worldwide and in the United States. The serious implications of these trends are being recognized. Myopia is not just a minor inconvenience requiring vision correction with glasses or contact lenses,...
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...
Highlights •Short-term miniscleral contact lens wear significantly alters limbal radius and scleral elevation. •No corneal flattening was found as a consequence of short-term miniscleral contact lens wear. •Scleral flattening was not fully reversed 3 h after lens removal in majority of...
Purpose: To report a case of Mooren ulcer that developed in a pediatric patient wearing orthokeratology overnight contact lenses. Methods: Case report. Results: A 10-year-old boy was referred to our clinic because of progressive peripheral corneal ulcer in the right eye, despite the intensive use...
Purpose To compare and analyze the interchangeability of three measuring systems, each based on a different technique, for central corneal thickness (CCT) analysis. Methods CCT measurements were measured using optical coherence tomography (OCT), non-contact specular microscopy (NCSM), and ultrasonic pachymetry...
Purpose To determine the reliability of corneal endothelial cell density (ECD) obtained by automated specular microscopy versus that of validated manual methods and factors that predict such reliability. Methods Sharp central images from 94 control and 106 glaucomatous eyes were...
Purpose In this work, we investigated the pupillary conditions during straylight measurement, and the potential effect this might have on the measured straylight. Methods Five young (26–29-years-old) and 15 older (50–68-years-old) individuals participated in this study. First, the pupil diameter...
Purpose This descriptive study provides a summary of the binocular anomalies seen in elementary school children identified with reading problems. Methods A retrospective chart review of all children identified with reading problems and seen by the University of Waterloo, Optometry...
Purpose To establish whether the cover test and von Graefe methods are interchangeable in a non-presbyopic and presbyopic population. Methods We performed a prospective study on a sample of 127 non-presbyopic subjects between 20 and 45 years old and 56...
Purpose The aim of this work was to examine the impact of Seidel spherical aberration (SA) on optimum refractive state for detecting and discriminating small bright lights on a dark background. Methods An adaptive-optics system was used to correct ocular...
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...
Introduction: The advent of high oxygen permeability (Dk) of rigid contact lens materials has reduced complications related to hypoxia when using scleral contact lenses (ScCLs). However, new issues and complications have emerged. Some of these issues and complications are caused by the nonoptimal fitting...
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...
Abstract Background Common paediatric perimetry techniques require central fixation and subjective responses, which may be challenging for young or cognitively impaired children. The Saccadic Vector Optokinetic Perimeter (SVOP) was designed to overcome these challenges by using infra‐red eye tracking to...
Abstract Background Visual impairment is globally among the most prevalent disabilities. Research concerning the health consequences of visual deficits is challenged by confounding effects of age, because visual impairment becomes more prevalent with age. This study investigates the influence of...
Abstract Background Many studies have shown that patients with intermittent exotropia have different degrees of damage to their stereopsis function. The purpose of this study is to explore the effect of different refractive status on stereopsis in children with intermittent...
Abstract Reading is slow and difficult for people with central vision loss who must rely on their peripheral vision. It has been shown that practicing on a letter-recognition task can increase peripheral reading speed, and that the training-related improvement is...
Key Points Question Can binocular optical coherence tomography (OCT) be used to measure the size of strabismus? Findings This study included 15 participants with strabismus and 15 healthy volunteers. In participants with strabismus, binocular OCT imaging correctly revealed the type and direction...
SIGNIFICANCE For people with limited vision, wearable displays hold the potential to digitally enhance visual function. As these display technologies advance, it is important to understand their promise and limitations as vision aids. PURPOSE The aim of this study was to test...
Purpose: To evaluate the validity and reliability of a novel handheld osmolarity system (I-PEN Osmolarity System; I-MED Pharma Inc, Dollard-des-Ormeaux, Quebec, Canada) for measurement of the osmolarity of a National Institute of Standards and Technology (NIST) traceable solution at a variety...
Abstract Purpose: To develop an objective psychophysical method to quantify light-induced visual discomfort, and to measure the effects of viewing condition and stimulus wavelength. Methods: Eleven visually normal subjects participated in the study. Their pupils were dilated (2.5% phenylephrine) before the experiment....
Abstract Purpose: To map the corneal epithelium using a map measuring 9 mm in diameter and view the effects of age, sex, and axial length. Additionally, we wanted to demonstrate the reproducibility of this technique. Methods: We calculated the epithelial thickness in...
Abstract Background/aims To investigate the presence of asymmetrical accommodation in hyperopic anisometropic amblyopia. Methods Accommodation in each eye and binocular vergence were measured simultaneously using a PlusoptiX SO4 photorefractor in 26 children aged 4–8 years with hyperopic anisometropic amblyopia and 13 controls...
Highlights • Playing a custom child friendly action videogame resulted in improved visual acuity. • Improvement of 1.4 lines after 20 h compared to more than 100 h of patching. • The action videogame approach may be an effective adjunct treatment for amblyopia....
Topic Presbyopia prevalence and spectacle-correction coverage were estimated by systematic review and meta-analysis of epidemiologic evidence, then modeled to expand to country, region, and global estimates. Clinical Relevance Understanding presbyopia epidemiologic factors and correction coverage is critical to overcoming the...
Background To determine the test‐retest reproducibility of accommodative facility (AF) measures in an unselected sample of UK primary school children. Methods Using ±2.00 DS flippers and a viewing distance of 40 cm, AF was measured in 136 children (range 4–12 years, average...
SIGNIFICANCE This study suggests that it is possible for some patients with severe red–green color vision deficiency to do perfectly on the Farnsworth D15 test after practicing it. PURPOSE The Farnsworth D15 is a commonly used test to qualify people for certain...
Highlights •The posterior corneal curvature after scleral lens wearing has never been studied. •A flattening curvature appears in nasal quadrant in intracorneal ring patients and in inferior hemisphere in keratoconus. •The cornea is slightly thinner after scleral lens wear except...
Highlights •Levels of surface versus bulk active lysozyme deposited on several hydrogel contact lens materials were investigated. •The surface and bulk activity of lysozyme deposited on contact lenses is material dependent. •Lysozyme on Group IV lens materials such as etafilcon...
SIGNIFICANCE New bitangential mini-scleral lens designs provide a highly precise fit, follow the scleral shape, are comfortable to wear, and can correct residual astigmatism. This new scleral lens design complements the arsenal of medical contact lenses available to eye care practitioners....
SIGNIFICANCE The present study with small-diameter scleral lenses (SLs) revealed that post-lens tear thickness (PoLTT) was significantly associated with post-lens tear mixing, but not with central corneal edema, after short-term SL wear. PURPOSE The aim of this study was to investigate the...
SIGNIFICANCE Currently, treatments for amblyopia are occlusion or penalization of the stronger fellow eye. Fewer than 30% of patients improve stereoacuity using these treatments. In order to improve these outcomes, this group proposes a treatment to stimulate the stereoacuity through perceptual...
SIGNIFICANCE This cross-sectional study presented a link between contact lens wear and changes on the cellular morphology characteristics of the lid wiper (LW) epithelium, which was not visible by LW staining. PURPOSE The aim of this study was to establish if the...
SIGNIFICANCE Prior studies have demonstrated the effectiveness of vergence-accommodative therapy in the treatment of convergence insufficiency (CI). These results show the changes in brain activation following therapy through the use of functional magnetic resonance imaging (fMRI). PURPOSE The purpose of this study...
Abstract Purpose To evaluate the differences in corneo-scleral topographic profile between healthy and keratoconus eyes, and their potential diagnostic ability for keratoconus detection. Methods Prospective comparative study including 21 keratoconic eyes (11 patients) and 88 healthy eyes (88 patients). In...
Il dott.Weiss, oftalmologo francese e Angie Minichiello, optometrista, hanno elaborato un innovativo metodo di indagine visiva che si avvale di un test stereoscopico utilizzato da più di 20 anni. Il metodo descritto presenta dei vantaggi certi : ✅Materiale semplice e...
LINK PER SCARICARE APP ANDROID LINK PER SCARICARE APP IPHONE AV Converter – APP Punti tipografici (corpo tipografico): Unità usata in campo tipografico e nel word processing per specificare la dimensione di un carattere. Un punto tipografico equivale ad 1/72...
Abstract Background Computer users frequently complain about problems with seeing and functioning of the eyes. Asthenopia is a term generally used to describe symptoms related to (prolonged) use of the eyes like ocular fatigue, headache, pain or aching around the...
Abstract Background The purpose of low-vision rehabilitation is to allow people to resume or to continue to perform daily living tasks, with reading being one of the most important. This is achieved by providing appropriate optical devices and special training...
Highlights •3-month study of the effects of an H2O2 vs. PHMB MPS lens care on eyelid tissue.. •Greater reduction in lid hyperaemia and papillae H2O2 vs PHMB MPS lens care. •No improvements in eyelid margin staining with either system. •An H2O2-based lens...
Abstract Background/aims The frequent lack of association between dry eye (DE) symptoms and signs leads to challenges in diagnosing and assessing the disease. Methods Participants underwent ocular surface examinations to evaluate signs of disease and completed questionnaires to assess ocular symptoms, psychological...
Abstract Background Within a surveillance of the prevalence and causes of vision impairment in high-income regions and Central/Eastern Europe, we update figures through 2015 and forecast expected values in 2020. Methods Based on a systematic review of medical literature, prevalence of blindness,...
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...
SIGNIFICANCE Growing popularity of handheld digital devices imposes significant challenges to our visual system and clinical management. This study aimed to determine the effects of lens design on parameters that may influence the refractive management of pre-presbyopic adult computer users. PURPOSE To...
Abstract: With the increasing incidence of more pathogens that can cause microbial keratitis (MK), it is necessary to periodically reassess disinfection multipurpose solutions testing requirements to ensure that relevant organisms to challenge them are being used. Current testing protocols have included...
Purpose To evaluate the repeatability of automatic measurements by a new anterior segment optical coherence tomographer (AS-OCT) combined with Placido topography and their agreement with those provided by 2 rotating Scheimpflug cameras. Setting G.B. Bietti Foundation IRCCS, Rome, Italy. Design...
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...
Non sei ancora un membro? Registrati Ora
Sei un socio? Entra
