Results 51 to 60 of about 378,026 (231)

Refractive error study in young subjects: results from a rural area in Paraguay [PDF]

open access: yes, 2017
AIM: To evaluate the distribution of refractive error in young subjects in a rural area of Paraguay in the context of an international cooperation campaign for the prevention of blindness.
Estrella Lumeras, Miguel Ángel   +4 more
core   +5 more sources

Comparisons of Using Cycloplegic Biometry Versus Non-cycloplegic Biometry in the Calculation of the Cycloplegic Refractive Lens Powers

open access: yesOphthalmology and Therapy, 2022
This study investigated the difference between the calculation of cycloplegic crystalline lens power (LP) using non-cycloplegic and cycloplegic biometry data in children, and associated factors were explored.A total of 821 children were enrolled and only right eye was analyzed.
Wang, Zhirong   +9 more
openaire   +2 more sources

Cylinder Axis Agreement: Unexpected Scenarios

open access: yesClinical Ophthalmology, 2020
Karim Mahmoud Nabil Department of Ophthalmology, Faculty of Medicine, University of Alexandria, Alexandria, EgyptCorrespondence: Karim Mahmoud NabilDepartment of Ophthalmology, Faculty of Medicine, University of Alexandria, Alexandria, EgyptEmail ...
Nabil KM
doaj  

Chinese eye exercises and myopia development in school age children: a nested case-control study [PDF]

open access: yes, 2016
Chinese eye exercises have been implemented in China as an intervention for controlling children’s myopia for over 50 years. This nested case-control study investigated Chinese eye exercises and their association with myopia development in junior middle ...
Kang, Meng-Tian   +10 more
core   +1 more source

Agreement of wavefront-based refraction, dry and cycloplegic autorefraction with subjective refraction

open access: yesJournal of Optometry, 2020
Purpose To evaluate the agreement of dry, and cycloplegic autorefraction and wavefront-based refraction with subjective refraction. Method 83 subjects aged 19–57 years were included in this cross-sectional study.
S. Bamdad   +3 more
semanticscholar   +1 more source

Comparison of cycloplegic refraction in children with different iris colour categories. A cross- sectional survey

open access: yesJournal of the Pakistan Medical Association
Objective: To compare the cycloplegic refraction in children with different iris colour categories and age groups. Methods: The cross-sectional study was conducted from December 2022 to June 2023 at the Eye Clinic of Sehat Medical Complex, Hanjarwal ...
Aisha Arooj   +2 more
doaj   +1 more source

Peripheral refractive changes associated with myopia progression [PDF]

open access: yes, 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
core   +1 more source

Does astigmatism alter with cycloplegia?

open access: yesJournal of Current Ophthalmology, 2016
Purpose: To determine the effect of the cyclopentolate 1% on the cylindrical and spherical components of the refraction. Methods: Three hundred seventy-five eyes of 195 subjects, including 74 males and 121 females, aged from 3 to 59 years were refracted ...
Amir Asharlous   +6 more
doaj   +1 more source

The Cambridge Anti-myopia Study: variables associated with myopia progression [PDF]

open access: yes, 2013
Purpose: To identify variables associated with myopia progression and to identify any interaction between accommodative function, myopia progression, age, and treatment effect in the Cambridge Anti-Myopia Study. Methods: Contact lenses were used
Allen, Peter M.   +7 more
core   +2 more sources

The impacts of high refractive errors on self‐reported visual function and visual concern

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To examine the association between refractive errors and self‐reported visual function and visual concern, considering self‐perceived present eyesight, concerns about vision, accomplishing less and limitations in daily activities in an eye‐healthy cohort.
Jens Riis Møller   +9 more
wiley   +1 more source

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