Results 21 to 30 of about 186,716 (131)
Refractive error sensing from wavefront slopes [PDF]
, 1998 15 páginas, 8 figuras, 2 tablas.The problem of measuring the objective refractive error with an aberrometer has shown to be more elusive than expected.
Jaeschke, C. +3 more
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Cogent Medicine, 2021 To estimate the prevalence and distribution of uncorrected refractive error among school children in the Bongo District of Ghana. A descriptive cross-sectional study was conducted among 12–15-year-old children in eighteen public junior high schools in ...
Frederick A Asare, Priya Morjaria
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Peripheral refractive changes associated with myopia progression [PDF]
, 2013 Purpose.: To evaluate the changes in peripheral refraction profiles associated with myopia progression and treatment modalities used in the Cambridge Anti-Myopia Study.
Allen, Peter M. +7 more
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IEEE Access, 2022 Subjective accommodation refractive error models are essential for implementing adaptive vision correction devices that utilize varifocal optics. This article describes compact empirical models of subjective accommodative refractive errors in subjects ...
Mohit U. Karkhanis +7 more
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, 2012 A simple analytic method of estimating the error involved in using an approximate boundary condition for diffuse radiation in two adjoining scattering media with differing refractive index is presented.
Adrian C. Selden, Liemert
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Repeatability and validity of the PowerRefractor and the Nidek AR600-A in an adult population with healthy eyes [PDF]
, 2003 We assessed the repeatability and validity of the PowerRefractor and the Nidek AR-600A autorefractor. This is the first independent study conducted on adults to evaluate the performance of these instruments in a laboratory setting.
Allen, Peter M. +2 more
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Stereoacuity Among Patients with Refractive Error at University of Gondar, Northwest Ethiopia
Clinical Optometry, 2021 Mikias Mered Tilahun, Mohammed Seid Hussen, Getasew Alemu Mersha, Biruk Lelisa Eticha Department of Optometry, School of Medicine, University of Gondar, Comprehensive Specialized Hospital, Gondar, EthiopiaCorrespondence: Getasew Alemu Mersha POB: 196 Tel
Tilahun MM +3 more
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Journal of Gandhara Medical and Dental Sciences, 2020 OBJECTIVES: Refractive errors and strabismus continue to remain a significant public health problem. Among school children it has an impact on child development.
Faheem Ullah +4 more
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Method for Assessing the Fidelity of Optical Diffraction Tomography Reconstruction Methods
, 2019 We use a spatial light modulator in a diffraction tomographic system to assess the accuracy of different refractive index reconstruction algorithms. Optical phase conjugation principles through complex media, allows us to quantify the error for different
Ayoub, Ahmed B. +4 more
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Refractive errors among children, adolescents and adults attending eye clinics in Mexico [PDF]
International Journal of Ophthalmology, 2017 AIM: To assess the proportion of refractive errors in the Mexican population that visited primary care optometry clinics in fourteen states of Mexico. METHODS: Refractive data from 676 856 patients aged 6 to 90y were collected from optometry clinics in ...
Francisco Gomez-Salazar +16 more
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