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根据国务院决定,于1987年对全国29个省、自治区及直辖市(台湾省除外)进行了残疾人抽样调查。此次调查共包括5种残疾,视力残疾(盲及低视力)为其中之一。此次调查样本由国家统计局对各省市进行分层随机抽样,样本量为150余万人。以1987年4月1日零点为时点调查在全国展开,至同年5月底完成。现将此次调查有关老年人视力残疾的结果分述如下。
According to the decision of the State Council, a sample survey of persons with disabilities was conducted in 1987 in 29 provinces, autonomous regions and municipalities directly under the Central Government (excluding Taiwan). The survey included five kinds of disabilities, one with visually-impaired vision (blindness and low vision). The survey sample by the National Bureau of Statistics of various provinces stratified random sample size of more than 150 million people. At 1 o’clock in the afternoon of April 1, 1987, the survey started in the whole country and was completed by the end of May of the same year. The survey findings on the visually impaired elderly are summarized below.