Results 251 to 260 of about 28,713 (292)

Heritability of refractive value and ocular biometrics [PDF]

Experimental Eye Research, 2008
The aim of this work was to analyse genetic influences on ocular refractive value and axial length using the hypothesis of a polygenic control. The genealogical records of 55 families were used in the analyses. The cohort included 723 individuals and clinical data were collected for 445 individuals with a mean age of 37.86 years.
Paget, Sandrine, Vitezica, Zulma, Malecaze, François, Calvas, Patrick   +3 more
openaire   +4 more sources

On the ocular refractive components: the Reykjavik Eye Study [PDF]

Acta Ophthalmologica Scandinavica, 2007
Abstract.Purpose:  To study the correlation between ocular refraction and the refractive components (corneal power, lens power and axial length) in a population‐based sample of normal subjects.Methods:  We analysed the refractive and biometric findings for 723 right eyes (325 males and 398 females) comprising a population‐based random sample of ...
Thomas, Olsen, Arsaell, Arnarsson, Hiroshi, Sasaki, Kazuyuki, Sasaki, Fridbert, Jonasson   +4 more
openaire   +3 more sources

Association of refraction and ocular biometry in highly myopic eyes [PDF]

Australasian journal of optometry, The, 2021
Clinical relevance: Ocular biometry is key to understanding the determinants of ocular development and pathology changes, especially for the thriving myopic population in Asia. Investigating biometric data in highly myopic eyes within a wide age spectrum
Yanxian Chen, Mingguang He, William Yan   +2 more
exaly   +2 more sources

Association between stature, ocular biometry and refraction in an adult population in rural Myanmar: the Meiktila eye study [PDF]

Clinical and Experimental Ophthalmology, 2007
The definitive version is available at www.blackwell-synergy.comPurpose: To study the association between adult stature and ocular biometric parameters and refraction.
Dinesh Selva, TIN Aung, Robert Casson
exaly   +2 more sources

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Effects of General Anesthesia on Ocular Refraction

Journal of Binocular Vision and Ocular Motility, 2022
General anesthesia alters the autonomic nervous system. This study aimed to investigate the effects of general anesthesia on objective ocular refraction.A total of 57 patients (112 eyes) under 15 years of age who underwent strabismus surgery under general anesthesia were included in this study.
Manami Kawai, Hitoshi Ishikawa, Sonoko Tatsui, Shunsuke Kanayama, Ayano Nakazawa, Hiromi Matsuda, Hirotsugu Okamoto, Nobuyuki Shoji   +7 more
openaire   +2 more sources

A MODEL FOR DEMONSTRATING OCULAR REFRACTION

Optometry and Vision Science, 1972
ABSTRACT A method of constructing a model eye composed of a corneal lens and a crystalline lens contained in aqucous solution is demonstrated, By use of laser illumination, one is able to construct a bundle of rays whose path clearly demonstrates the nature of ocular refraction.
T F, Mihok, W M, Rosenblum
openaire   +2 more sources

Hormonal influences on ocular refraction in the rat

Nature, 1978
WE report here that thyrotrophin (TSH) has a marked influence on ocular refraction in rats. In the clinical experience of one of us (C.C.K.-V.A.), adolescent myopia is not infrequently accompanied by increased height, suggesting a common, possibly hormonal, cause for both phenomena.
C C, Alphen, E L, Noach
openaire   +2 more sources

Ocular refraction at low illuminations

Vision Research, 1966
Abstract A survey of literature concerned with ocular refraction at reduced illuminations reveals that most eyes become myopic with approaching darkness. The three causes of this myopia are considered and evidence for a night near response presented.
openaire   +2 more sources

Refractive error and ocular motility in plagiocephaly

Child's Nervous System, 1994
Plagiocephaly, which is caused by premature closure of one of the coronal sutures, leads to fronto-orbital asymmetry. The aim of this work was to study the repercussions of orbital deformation on the visual system. Twenty-one patients presenting with plagiocephaly at birth and operated on by the same craniofacial technique (bilateral approach with ...
D, Denis, L, Genitori, A, Bolufer, G, Lena, J B, Saracco, M, Choux   +5 more
openaire   +2 more sources

Changes in ocular dimensions and refraction with accommodation

Ophthalmic and Physiological Optics, 1997
The purpose of this study was to measure the changes in ocular dimensions with accommodation, with particular reference to the radius of curvature of the posterior surface of the crystalline lens. The increase in power of the eye with accommodation is considered to arise primarily from a decrease in the radius of curvature of the anterior surface of ...
L F, Garner, M K, Yap
openaire   +2 more sources