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世界卫生组织(WHO)在1980年曾指出全世界有2亿6千万老人,其中1/2生活在发达国家。但到2000年预测老年人将达到4亿,而其中3/5将生活在发展中国家。在人口结构上老年人的比例也将逐年增加。1982年我国统计65岁以上老年人近5000万,占总人口的4.9%,预测到2000年老年人将占总人口的6.9%,而达到8300万～8800万左右。上述情况表明老年人及其眼病可能将逐年增加,盲及低视力问题也会日趋严重,值得我们关注。
The World Health Organization (WHO) pointed out in 1980 that there were 260 million elderly people in the world, of which half live in developed countries. However, by the year 2000, it is projected that the elderly population will reach 400 million, of which three fifths will live in developing countries. The proportion of older people in the population structure will also increase year by year. In 1982, China accounted for nearly 50 million elderly over the age of 65, accounting for 4.9% of the total population. It is predicted that by the year 2000, the elderly will account for 6.9% of the total population, reaching 83 million to 88 million. The above situation shows that the elderly and their eye diseases are likely to increase year by year. The problem of blindness and low vision will also become increasingly serious and deserve our attention.