一、调查对象:抽样检查12所畲族小学,一所民族中学,三个畲族山村农民。被检者最小年龄6岁,最大的71岁,均无明显眼疾。二、检查方法:采用俞自萍编的《色盲检查图》修订第四版,选用图14、50二张作为示教。看图距离70cm左右,在室内外自然光下进行。考虑到文化水平偏低与慌乱心理等实况,对错读者,反复以四组数字和图形耐心检查,确证正常或异常,并排除后天性眼疾所致的色觉障碍,力求判断客观准 First, the survey: 12 samples of She primary school, a middle school, three She ethnic village farmers. The minimum age of subjects were 6 years old, the largest of 71 years old, no obvious eye disease. Second, check the method: Use Yu Ziping compiled “color blind check chart” to amend the fourth edition, the selection of Figure 14,50 two as a teaching. Look at the picture about 70cm away from home and outdoor under natural light. Taking into account the low cultural level and confusion psychology and other live, wrong readers, repeated four groups of figures and graphics patience check to confirm the normal or abnormal, and exclude acquired eye diseases caused by color vision disorders, and strive to determine the objective quasi-