نتایج جستجو برای: emmetropia
تعداد نتایج: 336 فیلتر نتایج به سال:
Eighteen families in which both parents had refractions within the range of + 4 0 D to 4 0 D and axial lengths seen in emmetropia (22.3-26-0 mm) showed coefficients of correlation of the order 0 5 indicative of polygenic inheritance. Such coefficients were seen for axial length (0.407) and for the cornea (0-487), but not for the lens (which is known to be yoked to the axial length). No such coe...
PURPOSES To determine axial, vertical, and horizontal eye dimensions in myopic and emmetropic eyes by using magnetic resonance imaging (MRI) and to relate these to different ocular expansion models of myopia development. METHODS The internal length (cornea to retina), height and width (both retina to retina) were measured in emmetropic and myopic eyes (up to -12 D) of 88 participants aged 18 ...
Purpose. To investigate the changes of anterior segment after cycloplegia and estimate the association of such changes with the changes of refraction in Chinese school-aged children of myopia, emmetropia, and hyperopia. Methods. 309 children were recruited and eligible subjects were assigned to three groups: hyperopia, emmetropia, or myopia. Cycloplegia was achieved with five cycles of 0.5% tro...
Objectives: To assess and compare the refractive status intraocular pressures of children attending University Port Harcourt Teaching Hospital Eye clinic.
 Materials Methods: The study was a hospital-based comparative cross-sectional in aged 5- 18 years clinic. Participants were sampled 2 groups equal numbers: without error (emmetropes) with error. Each group had cycloplegic refraction, pr...
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