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Dong Yoon Kim, Ji Ho Song, Yoon Jeon Kim, Joo Yong Lee, June-Gone Kim, Young Hee Yoon, Soo Geun Joe
PURPOSE: To investigate the differences in the progression of diabetic retinopathy (DR) in both eyes of patients with axial anisometropia. METHODS: A retrospective review was conducted on diabetic patients who had different axial lengths (difference greater than 1 mm) in each eye. The primary objective of this study was to analyze the differences in the progression of DR in both eyes of patients with axial anisometropia. Fundus images (fluorescein angiography and photographs of the fundus covering the Early Treatment Diabetic Retinopathy Study seven fields) were graded using the Early Treatment Diabetic Retinopathy Study DR grading system...
March 15, 2018: Retina
Sorath Noorani Siddiqui, Abdul Hannan, Hassan Mansoor, Muhammad Asif, Umair Wakeel
OBJECTIVE: To evaluate the state of refraction in children with bilateral congenital nasolacrimal duct obstruction (CNLDO). STUDY DESIGN: Descriptive study. PLACE AND DURATION OF STUDY: Al-Shifa Trust Eye Hospital, Rawalpindi, Pakistan, from April 2014 to April 2016. METHODOLOGY: Children with bilateral CNLDO were studied. Patients' refractive status were evaluated by performing cycloplegic refraction, followed by appropriate management plan...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Tsukasa Satou, Yoshiaki Takahashi, Misae Ito, Hiroshi Mochizuki, Takahiro Niida
Purpose: To evaluate the relationship between uncorrected visual acuity and refraction and binocular function using a vision screening protocol. Methods: In total, 760 children (3-6 years old) who were enrolled in 4 nursery schools in Otawara, Japan, were recruited; a total of 1,520 eyes were examined. We assessed uncorrected near visual acuity, manifest refraction, stereopsis, and eye position. Subjects were divided into 4 subgroups according to the lowest uncorrected near visual acuity value compared between the 2 eyes: group 1 (visual acuity [VA] ≤0...
2018: Clinical Ophthalmology
N C Quezada-Del Cid, Martin A Zimmermann-Paiz, A M Ordoñez-Rivas, V Y Burgos-Elías, M J Marroquin-Sarti
CLINICAL CASES: The cases are presented on 2 female patients with Straatsma syndrome, with satisfactory treatment of amblyopia. DISCUSSION: The level of anisometropia and myelination of retinal nerve fibres were different in these two patients. However, both achieved 0.20 (logMAR) visual acuity with correction in both eyes following amblyopia treatment with ocular patching. Visual prognosis of amblyopia associated with myelination of retinal nerve fibres and anisometropia is poorer than anisometropic amblyopia without myelination...
February 1, 2018: Archivos de la Sociedad Española de Oftalmología
Dong Hee Yoon, Bo Young Chun
PURPOSE: To compare the thickness of superior, temporal, inferior, and nasal macula and foveal thickness and volume in patients with anisometropic amblyopia prior to and after successful occlusion therapy using optical coherence tomography (OCT) measurement. METHODS: Data were collected prospectively on 30 patients with unilateral anisometropic amblyopia from December 2006 to August 2007. All patients had anisometropia of 2.0 diopters or more. OCT scans were obtained for all patients at diagnosis...
January 24, 2018: Korean Journal of Ophthalmology: KJO
Li-Fang Hung, Baskar Arumugam, Lisa Ostrin, Nimesh Patel, Klaus Trier, Monica Jong, Earl L Smith Iii
Purpose: Previous studies suggest that the adenosine receptor antagonist, 7-methylxanthine (7-MX), retards myopia progression. Our aim was to determine whether 7-MX alters the compensating refractive changes produced by defocus in rhesus monkeys. Methods: Starting at age 3 weeks, monkeys were reared with -3 diopter (D; n = 10; 7-MX -3D/pl) or +3D (n = 6; 7-MX +3D/pl) spectacles over their treated eyes and zero-powered lenses over their fellow eyes. In addition, they were given 100 mg/kg of 7-MX orally twice daily throughout the lens-rearing period (age 147 ± 4 days)...
January 1, 2018: Investigative Ophthalmology & Visual Science
Tina Y Gao, Nicola Anstice, Raiju J Babu, Joanna M Black, William R Bobier, Shuan Dai, Cindy X Guo, Robert F Hess, Michelle Jenkins, Yannan Jiang, Lisa Kearns, Lionel Kowal, Carly S Y Lam, Peter C K Pang, Varsha Parag, Jayshree South, Sandra Elfride Staffieri, Angela Wadham, Natalie Walker, Benjamin Thompson
PURPOSE: Optical treatment alone can improve visual acuity (VA) in children with amblyopia, thus clinical trials investigating additional amblyopia therapies (such as patching or videogames) for children require a preceding optical treatment phase. Emerging therapies for adult patients are entering clinical trials. It is unknown whether optical treatment is effective for adults with amblyopia and whether an optical correction phase is required for trials involving adults. METHODS: We examined participants who underwent optical treatment in the Binocular Treatment for Amblyopia using Videogames (BRAVO) clinical trial (ANZCTR ID: ACTRN12613001004752)...
January 22, 2018: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
Tina Y Gao, Cindy X Guo, Raiju J Babu, Joanna M Black, William R Bobier, Arijit Chakraborty, Shuan Dai, Robert F Hess, Michelle Jenkins, Yannan Jiang, Lisa S Kearns, Lionel Kowal, Carly S Y Lam, Peter C K Pang, Varsha Parag, Roberto Pieri, Rajkumar Nallour Raveendren, Jayshree South, Sandra Elfride Staffieri, Angela Wadham, Natalie Walker, Benjamin Thompson
Importance: Binocular amblyopia treatment using contrast-rebalanced stimuli showed promise in laboratory studies and requires clinical trial investigation in a home-based setting. Objective: To compare the effectiveness of a binocular video game with a placebo video game for improving visual functions in older children and adults. Design, Setting, and Participants: The Binocular Treatment of Amblyopia Using Videogames clinical trial was a multicenter, double-masked, randomized clinical trial...
January 4, 2018: JAMA Ophthalmology
Ana Vide-Escada, Helena Prior Filipe
Purpose: To show that Straatsma Syndrome can have a good outcome and to highlight an unusual presentation of this disease. Observations: A four-year-old boy presents with severe right eye amblyopia in association with high myopia, esotropia, heterochromia iridum and extensive myelinated retinal fibers involving both temporal arcades and the optic nerve head. Right eye initial visual acuity was less than 20/400 for distance and less than R6W10 for near. Left eye examination was unremarkable...
December 2017: American Journal of Ophthalmology Case Reports
Siamak Akbarzadeh, Reihaneh Vahabi, Nooshin Bazzazi, Ghodratollah Roshanaei, Samira Heydarian, Daniel F Fouladi
PURPOSE: To assess the proportion of pure anisometropic amblyopia in a sample Iranian (white) population. METHODS: A total of 2800 consecutive individuals who presented at a referral eye clinic for any reason were examined for the presence of pure anisometropic amblyopia. Anisometropia was reported when a spherical equivalent refraction difference of at least 1.0 D with or without a cylinder refraction difference of at least 1.0 D was present between the two eyes...
December 13, 2017: International Ophthalmology
Juan M Bueno, Matteo Lo Sapio, J Manuel Sanes, Juan Seva
The purpose of this study was to describe the ocular refractive state (ORS) of fighting bulls. The study consisted of 90 ophthalmological healthy animals (85 in post-mortem and 5 in living conditions, resp.). The ORS of the eyes (2 per animal) was determined using streak retinoscopy. In vivo animals were assessed at a fighting bull farm facility. Post-mortem measurements were carried out at a local arena. The ORS along the horizontal meridian ranged between -1.00 and +2.50 diopters (D), with a mean of +0.66 ± 0...
2017: BioMed Research International
Achim Fieß, Ruth Kölb-Keerl, Alexander K Schuster, Markus Knuf, Bernd Kirchhof, Philipp S Muether, Jacqueline Bauer
BACKGROUND: Limited data exist collating most of the associated factors for strabismus in one analysis. The aim of this study was to assess the prevalence of strabismus and to analyse associated factors in former preterm and full-term infants. METHODS: In this cross-sectional study, 239 former preterm infants with gestational age (GA) ≤ 32 weeks and 264 former full-term born infants with GA ≥ 37 weeks underwent detailed ophthalmologic examination in the age of 4-10 years and perinatal data assessment for risk factor analysis...
December 2, 2017: BMC Ophthalmology
Vivian M Manh, Jonathan M Holmes, Elizabeth L Lazar, Raymond T Kraker, David K Wallace, Marjean T Kulp, Jennifer A Galvin, Birva K Shah, Patricia L Davis
PURPOSE: To compare visual acuity (VA) improvement in teenagers with amblyopia treated with a binocular iPad game vs part-time patching. METHODS: One hundred participants aged 13 to <17 years (mean 14.3 years) with amblyopia (20/40 to 20/200, mean ∼20/63) resulting from strabismus, anisometropia, or both were enrolled into a randomized clinical trial. Participants were randomly assigned to treatment for 16 weeks of either a binocular iPad game prescribed for 1 hour per day (n = 40) or patching of the fellow eye prescribed for 2 hours per day (n = 60)...
February 2018: American Journal of Ophthalmology
Jing Zhang, Ke-Ming Yu
AIM: To evaluate the effects of femtosecond laser-assisted in situ keratomileusis (FS-LASIK) and small-incision lenticule extraction (SMILE) to correct high myopic anisometropic amblyopia in juvenile patients. METHODS: From November 2013 to January 2015, 33 amblyopic patients with high myopic anisometropic amblyopia were studied. FS-LASIK (30 eyes) or SMILE (3 eyes) was performed in the amblyopic eyes. Visual acuity, refraction, contrast sensitivity, stereoacuity and complications were evaluated...
2017: International Journal of Ophthalmology
Dieter Methling
Modern measuring instruments calculate the values of intraocular lenses implant preoperatively. This calculation is performed separately for each eye. No information is available on the postoperative binocular effect, especially in regard to vertical anisometropia (difference between the values of the vertical principial meridians of the right and the left spectacle lens). In this publication, a computer programme is introduced to calculate the values of intraocular lenses implant for both eyes together. With this program, vertical anisometropia is only 0...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
Samuel Otabor Wajuihian, Rekha Hansraj
SIGNIFICANCE: This study focused on a cohort that has not been studied and who currently have limited access to eye care services. The findings, while improving the understanding of the distribution of refractive errors, also enabled identification of children requiring intervention and provided a guide for future resource allocation. PURPOSE: The aim of conducting the study was to determine the prevalence and distribution of refractive error and its association with gender, age, and school grade level...
December 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
Achim Fieß, Ruth Kölb-Keerl, Heike Maria Elflein, Alexander K Schuster, Markus Knuf, Bernd Kirchhof, Isabel Oberacher-Velten, Philipp S Muether, Jacqueline Bauer
Background The purpose of this investigation was to analyse the ophthalmic follow-up care of former pre-term and full-term born infants aged 4 to 10 years in the clinical practice and the comparison to the recommendations of the national ophthalmic guidelines. Methods For the prospective Wiesbaden Prematurity Study (WPS), 503 infants were examined: 239 former pre-term infants (PT) with gestational age (GA) ≤ 32 weeks and 264 former full-term born infants (FT) with a GA ≥ 37 weeks aged 4 to 10 years...
November 8, 2017: Klinische Monatsblätter Für Augenheilkunde
Amra Nadarevic Vodencarevic, Vahid Jusufovic, Meliha Halilbasic, Emina Alimanovic, Svjetlana Terzic, Emir Cabric, Aida Drljevic, Mufid Burgic
Aim: This study measured the prevalence of amblyopia in preschool and school children between 4 and 15 years of age in Tuzla, Bosnia and Herzegovina and as well and to examine its relations with anisometropia and strabismus. Methods: Children from eight daycare centers and twenty four elementary schools were screened for amblyopia by volunteer personnel (medical students), any child who failed to pass the screening examination, was referred to the ophthalmologist for complete examination at University Clinic Center Tuzla...
September 2017: Materia Socio-medica
Fabrizio Zeri, Marika Berchicci, Shehzad A Naroo, Sabrina Pitzalis, Francesco Di Russo
KEY POINTS: Monovision is an optical correction for presbyopes that consists of correcting one eye for far distance and the other for near distance, creating a superimposition of an in-focus with a blurred image. Brain adaptation to monovision was studied in unexperienced observers by measuring visual evoked potentials from 64-channels. The first clear effect of monovision on visual evoked potentials was the C1 amplitude reduction, indicating that the unilateral blurring induced by monovision reduces feed-forward activity in primary visual area...
October 25, 2017: Journal of Physiology
Sandra Guimaraes, Tiago Fernandes, Patrício Costa, Eduardo Silva
AIMS: To determine a normative of tumbling E optotype and its feasibility for visual acuity (VA) assessment in children aged 3-4 years. METHODS: A cross-sectional study of 1756 children who were invited to participate in a comprehensive non-invasive eye exam. Uncorrected monocular VA with crowded tumbling E with a comprehensive ophthalmological examination were assessed. Testability rates of the whole population and VA of the healthy children for different age subgroups, gender, school type and the order of testing in which the ophthalmological examination was performed were evaluated...
October 7, 2017: British Journal of Ophthalmology
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