Results 21 to 30 of about 22,300 (236)
Bilateral posterior microphthalmos associated with papillomacular fold and severe hyperopia [PDF]
Batna Journal of Medical Sciences, 2022 Posterior microphthalmos with papillo-macular fold is a rare disorder that involves both eyes without other ocular or systemic abnormalities, it is characterized by a short posterior segment with a normal anterior segment.
Aicha Lakhdar Fouatih, Amine Hamma
doaj +1 more source
Eye shape and retinal shape, and their relation to peripheral refraction [PDF]
, 2012 Purpose: We provide an account of the relationships between eye shape, retinal shape and peripheral refraction. Recent findings: We discuss how eye and retinal shapes may be described as conicoids, and we describe an axis and section reference system for
Atchison, David +4 more
core +2 more sources
Journal of Ophthalmology, 2019 Purpose. To evaluate the efficacy of the “fogging test,” performed with a +2 diopters (D) lens, in the exclusion of clinically significant hyperopia in school-aged children. Methods.
João Esteves Leandro +7 more
doaj +1 more source
Acta Biomedica Scientifica, 2019 Background. Age-related decline in accommodation in patients with emmetropia, myopia and hyperopia is characterized by multidirectional changes in the thickness of the ciliary muscle and the configuration of the inner apex of the ciliary body.
A. G. Shchuko +3 more
doaj +1 more source
Comparison of lens refractive parameters in myopic and hyperopic eyes of 6–12-year-old children
Frontiers in Medicine, 2022 Background/aimsTo evaluate the influence of cycloplegia on lens refractive parameters in 6–12-year-old children with myopia and hyperopia for exploring the pathogenesis of myopia.MethodsOne hundred eyes of 100 patients (50 boys) were included.
Jianming Shang +14 more
doaj +1 more source
Myopia and defocus: the current understanding [PDF]
, 2011 The current theories relating to the development and progression of myopia are related to exposure of the eye to hyperopic defocus. This paper discusses these theories and the large body of recent research investigating the evidence behind them.
Day, Mhairi, Duffy, Lorraine
core +2 more sources
Myopia prevalence in school-aged children in Garki District of Abuja, Nigeria
African Vision and Eye Health, 2022 Background: Prevalence of myopia is increasing globally, hence it poses a significant public health risk due to the association of high myopia with debilitating eye disorders.
Tope R. Akinbinu +2 more
doaj +1 more source
Di-san junyi daxue xuebao, 2021 Objective To evaluate the corneal biomechanical parameters in myopic, hypermetropic and emmetropic eyes using corneal visualization Scheimpflug technology (CorVis ST).
LI Fang +4 more
doaj +1 more source
Hypo-accommodation responses in hypermetropic infants and children [PDF]
, 2010 Aims: Accommodation to overcome hypermetropia is implicated in emmetropisation. This study recorded accommodation responses in a wide range of emmetropising infants and older children with clinically significant hypermetropia to assess common ...
Horwood, Anna Mary +1 more
core +4 more sources
BMJ Open OphthalmologyObjectives This study aimed to quantitatively evaluate optic nerve head and retinal vascular parameters in children with hyperopia in relation to age and spherical equivalent refraction (SER) using artificial intelligence (AI)-based analysis of colour ...
Yuan Zhang +10 more
doaj +1 more source