Kathleen Hoffman, Sarah Leupen, Kathy Dowell, Kerrie Kephart, Jeff Leips
Development and Assessment of Modules to Integrate Quantitative Skills in Introductory Biology Courses
CBE life sciences education
introduction determine time trends myopia 20year period taiwan conducted 5 nationwide surveys pertaining ocular refraction schoolchildren 1983 1986 1990 1995 2000 materials methods sampling technique used herein involved assessment stratified systematic clusters unweighted myopic rate represented using data derived different sectors population metropolitan city town aboriginal mean values spherical equivalent cycloplegic refractive status dimension corneal radii determined autorefractometer used calculation results review 5 nationwide myopia surveys found mean prevalence myopia among 7 year olds increased 58 1983 21 2000 age 12 prevalence myopia 367 1983 increasing 61 2000 corresponding figures 15yearolds 642 81 respectively prevalence myopia increased 74 1983 84 2000 children aged 16 18 years addition prevalence high myopia 60 increased 109 1983 21 18yearold students taiwan 2000 mean refractive status age 12 deteriorated 048 1983 145 2000 149 289 children aged 15 whilst individuals aged 18 deteriorated 255 1983 364 2000 mean ocular refraction began progress myopic condition age 11 1983 becoming age 8 years 2000 appeared significant difference prevalence degree myopia study participants residing cities villages conclusions conclude cause relative increasing severity myopia among schoolchildren due onset myopia young progressivelydecreasing age study period thus reduce prevalence severity myopia pay attention eye care preschoolchildren