近年来,对体内某些元素的增减与近视的关系,国内、外均有报导。本文通过对青少年血钙的检测对比探讨其与近视的关系。一、测定对象所查60名青少年学生,年龄14～17岁,均在同一地区生活,身体健康,无全身其他疾病;眼部无内、外眼疾。其中近视眼40名,经门诊查,裸眼视力均低于5.0可以矫正,小瞳检影,为-1.50D～-5.50D;正常眼20名,裸眼视力均超过 In recent years, some elements of the body increase and decrease and the relationship between myopia, both at home and abroad have been reported. In this paper, the detection of serum calcium in adolescents compared with the relationship between myopia. First, the test subjects 60 young students investigated, aged 14 to 17 years old, all live in the same area, good health, no other systemic diseases; no eye, eye disease. Of which 40 myopic eyes, the clinic examination, uncorrected visual acuity were less than 5.0 can be corrected, pupil retinoscopy, was -1.50 D ~ -5.50 D; normal eye 20, uncorrected visual acuity were more than