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中正預校近視研究初報
Refractive Status of Students in Chung-Cheng Premilitary High School
摘要
本文連續兩年測定中正預校入學新生210人（420眼）之屈光狀態，年齡分佈在16至17歲，學生具分或三組實施，雙眼探視1.0以上共158名為甲組；雙眼探視0.8以下共42名為乙組；一眼近視，另一眼為正視共10名為丙組；以睫狀肌麻庳劑點眼後之自覺他覺的檢查，兩年來的結果顯示：裸視力較好的學生一年後屈光度增加較少(-0.096D)，裸視力較差的學生一年後屈光度增加較多(-0.50D)；一眼近視，另一眼正視屈光變化和視力差的那一組相似(-0.45D)；身高變化卡屈光度的改變似無相關性；成績好的學生（80分以上），屈光度放變較大(-0.45D)，成績差的學生(60~69)屈光度改變較小(0.06D)。
關鍵字
無資料並列摘要
This study follow the refractive status among the students of the Chung-cheng premilitary high scool within two years. We collect 210 cases (420 eyes), the range of age from 16 to 17 years old. According to the condition of the visual acuity that the students were graded to 3 groups, group 1 had 158 cases whose V.A. were more than 20/20 of both eyes, group 2 had 42 cases whose V.A. were less than 20/25 of both eyes and the group 3 had 10 cases whose refractive status consisted of one emmetropia eye and myopia of the other eye. We performed the examination under cyclolegic agent then recorded the subject and object result. According to the data in these two years, it revealed that the students with good V.A. had less increasement of refractive error (-0.096D), the students with bad V.A. had more increasement of the refractive error (-0.5D) and the group 3 had a result like group 2, whose refractive error was -0.45D increasement one year later. There was no relation between the change of body length and refractive error. Student with good scores (average more than 80 points) had more change of his refractive error (-0.45D) and students with bad scores (average 60 to 69 points) had less change of his refractive error (-0.06D).