The Changing Prevalence of Myopia in Young Adults: A 13-Year Series of Population-Based Prevalence Surveys

Dayan, Yosefa Bar; Levin, Avi; Morad, Yair; Grotto, Itamar; Ben-David, Rachel Frumkin; Goldberg, Avishai; Onn, Erez; Avni, Isaac; Levi, Yoav; Benyamini, Oren G.

doi:10.1167/iovs.04-0260

Cited by 177 publications

(141 citation statements)

References 15 publications

(9 reference statements)

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“…[4][5][6] In Taiwan, the prevalence of myopia among 12-and 13-year-old children is among the highest in South-East Asia. 1,3,7 A trend toward increasing myopia among 7-18-year-old Taiwanese children was observed between 1983 and 2000.…”

Section: Introductionmentioning

confidence: 99%

Prescription of atropine eye drops among children diagnosed with myopia in Taiwan from 2000 to 2007: a nationwide study

Yt¹,

Yj²,

Chen³

et al. 2013

Eye

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Purpose This study was conducted to examine the atropine eye drop prescription trend for children diagnosed with myopia, and to determine the factors associated with the prescription of atropine eye drops. Design This was a population-based cross-sectional study. Methods This study was conducted using a national representative sample from the National Health Insurance (NHI) claims data. All school children between 4 and 18 years of age who had visited an ophthalmologist and were diagnosed with myopia between 2000 and 2007 were included herein. The main outcome measure was the proportion of subjects who were prescribed atropine eye drops in each year. Logistic regression was used to identify the factors associated with atropine eye drops being prescribed. Results The prescription of atropine eye drops for children diagnosed with myopia increased significantly from the school years 2000 (36.9%) to 2007 (49.5%). There was also a shift from prescribing high concentrations (0.5 and 1%) of atropine eye drops to lower concentration ones (0.3, 0.25, and 0.1%) within this period. Atropine eye drops were more frequently prescribed to 9-12-year-old children (OR ¼ 1.26-1.42, compared with those 7-8 years old), and to children from families with a high socioeconomic status (OR ¼ 1.19-1.25); however, they were less prescribed to those living in mid to low urbanized areas . Conclusions This study revealed an increasing trend of atropine eye drop prescription for children with myopia in Taiwan. Our study provides eye-care professionals worldwide a reference for the potential integration of atropine eye drops into their clinical practice toward children with myopia.

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Section: Introductionmentioning

confidence: 99%

Prescription of atropine eye drops among children diagnosed with myopia in Taiwan from 2000 to 2007: a nationwide study

Yt¹,

Yj²,

Chen³

et al. 2013

Eye

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“…Uncorrected refractive error is a common cause of vision impairment in children,2 with myopia being the most frequently seen refractive error, especially in East and Southeast Asian countries,3 such as Singapore, Japan, South Korea, Hong Kong, Taiwan, and parts of mainland China 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15. Elsewhere in the world as in North America, Australia, Europe and Middle East, the prevalence of myopia is also on the rise but at a slower pace 16, 17, 18, 19. As a consequence, the prevalence of high myopia is also on the rise.…”

Section: Introductionmentioning

confidence: 99%

Design and methodology of the Shanghai child and adolescent large‐scale eye study (SCALE)

Zhao

Sankaridurg

et al. 2017

Clinical Exper Ophthalmology

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ImportanceNearly half of children suffering vision impairment reside in China with myopia accounting for the vast majority.BackgroundTo describe the design and methodology of the Shanghai Child and Adolescent Large‐scale Eye Study (SCALE).DesignThe SCALE was a city wide, school‐based, prospective survey.ParticipantsChildren and adolescents aged 4–14 years from kindergarten (middle and senior), primary schools and junior high schools of all 17 districts and counties of the city of Shanghai, China were examined in 2012–2013.MethodsEach enrolled child underwent vision assessment (distance visual acuity; uncorrected and with corrective device if worn) and their parent/carer completed a questionnaire designed to elicit risk factors associated with myopia. Additionally, non‐cycloplegic autorefraction and ocular axial length was measured in a subset of the larger sample.Main Outcome MeasuresPrevalence and the associated factors of vision impairment, myopia and high myopia in Shanghai.ResultsIn 2012–2013, a total of 910 245 of the eligible 1 196 763 children and adolescents identified from census (76%, mean age 9.0 ± 2.7 years [4–14 years]) were enrolled with visual acuity screened in the city of Shanghai. Of these, 610 952 children (67% of the entire sample) underwent non‐cycloplegic autorefraction and 219 188 (24% of the entire sample) had both non‐cycloplegic autorefraction and axial length measurements.Conclusions and RelevanceThe study results will provide insights on the burden of vision impairment, myopia and high myopia in children and adolescents in a metropolitan area of China, and contribute to the policies and strategies to address and limit the burden.

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“…Upon computing the equivalent ophthalmic prescription from the Zernike polynomial using the method described in [35], it was found that lens 5 had an equivalent prescription of -12.4332 sphere, -1.5244 cylinder at 162.40. This is far beyond the range of most human eyes, where only about 7% of myopes have high myopia ( < -6.0 Diopters) [4], leading to the conclusion that the lens itself is not representative of the population of human eyes with low vision. Additionally, it has been found that the larger the PSF (higher amount of sphere), the harder it is to generate an effective precompensation for display on conventional LCD panels.…”

Section: Key Findingsmentioning

confidence: 99%

“…PC-B '255 (3)(4)(5)(6)(7)(8)(9) where OPC-D is the "shifted and scaled" precompensated object. shows the result of simulating the retinal projection of the precompensated object.…”

Section: Opc-dmentioning

confidence: 99%

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A method for enhancing digital information displayed to computer users with visual refractive errors via spatial and spectral processing

Alonso¹

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., "A method for enhancing digital information displayed to computer users with visual refractive errors via spatial and spectral processing" (2007 We have read this dissertation and recommend that it be approved. Malek Adjouadi Roberto PanepucciShu-Ching Chen The dissertation of Miguel Alonso Jr is approved. Dean Vish Prasad College of Engineering and ComputingDean George Walker University Graduate School This research is based on a priori knowledge of the user's visual aberration, as measured by a wavefront analyzer. With this information it is possible to generate images that, when displayed to this user, will counteract his/her visual aberration. The method described in this dissertation advances the development of techniques for providing such compensation by integrating spatial information in the image as a means to eliminate some of the shortcomings inherent in using display devices such as monitors or LCD panels. Additionally, physiological considerations are discussed and integrated into the method for providing said compensation. viIn order to provide a realistic sense of the performance of the methods described, they were tested by mathematical simulation in software, as well as by using a single-lens high resolution CCD camera that models an aberrated eye, and finally with human subjects having various forms of visual aberrations. Experiments were conducted on these systems and the data collected from these experiments was evaluated using statistical analysis.The experimental results revealed that the pre-compensation method resulted in a statistically significant improvement in vision for all of the systems. Although significant, the improvement was not as large as expected for the human subject tests. Further analysis suggest that even under the controlled conditions employed for testing with human subjects, the characterization of the eye may be changing. This would require real-time monitoring of relevant variables (e.g. pupil diameter) and continuous adjustment in the pre-compensation process to yield maximum viewing enhancement.

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The Changing Prevalence of Myopia in Young Adults: A 13-Year Series of Population-Based Prevalence Surveys

Cited by 177 publications

References 15 publications

Prescription of atropine eye drops among children diagnosed with myopia in Taiwan from 2000 to 2007: a nationwide study

Prescription of atropine eye drops among children diagnosed with myopia in Taiwan from 2000 to 2007: a nationwide study

Design and methodology of the Shanghai child and adolescent large‐scale eye study (SCALE)

A method for enhancing digital information displayed to computer users with visual refractive errors via spatial and spectral processing

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