Abdulaziz Ibrahim Alhassan
Analyzing the application of mixed method methodology in medical education: a qualitative study
BMC medical education
myopia common visual impairment children adolescents worldwide study described economical effective populationbased screening pipeline performed project million scale children adolescents myopia survey cams shed light study myopia level epidemiology precision medicine developed novel populationbased screening pattern intelligent screening process internetbased information transmission analysis system carry survey consisting school children wenzhou china examination items include unaided distance visual acuity presenting distance visual acuity noncycloplegic autorefraction myopia high myopia defined spherical equivalent se 100 diopters se 600 respectively next reports vision checking automatically sent parents related departments cams project done two four times annually support government online eyesight status information management system oesims developed construct comprehensive efficient electronic vision health records evhrs myopia information inquiry risk prewarning study cams completed firstround screening within 30 days 9941 wenzhou students districts counties june 2019 total 1060925 participants eligible cams 1054251 9937 participation rate selected data quality control comprised 1305 schools 580609 251050 170967 elementary middle high school students mean age participants 1221 332 years 620 years femaletomale ratio 082 prevalence myopia elementary middle high school students 3816 7752 8400 respectively high myopia incidence 095 690 1298 cams standardized myopia screening model involves automating largescale information collection data transmission data analysis early warning thereby supporting myopia prevention control entire survey reduced 90 staff cost time consumption compared previous surveys provide new insights decision support public health intervention