论文部分内容阅读
作者对14例26只新生儿及婴儿尸体福尔马林固定的眼球进行了径线、容积及面积、球壁厚度及重量的测量,特别注意眼外肌止端的解剖情况。还检测了12例正常婴儿眼球的组织学标本。结果如下: 新生儿5对眼球的矢状径、垂直径和横径平均略小于17mm,而成年正视眼的为24mm;平均容积为2.8ml,仅为成人6.8~7.5ml的一半;巩膜表面积平均为812mm~2,仅为成年2450mm~2的1/3,角膜表面积平均为102mm~2,为成年138mm~2的3/4。生后6个月时,眼球增长已达直径20.3mm、容积5.25ml和表面积1190mm~2,
The authors measured the diameter, volume and area, wall thickness and weight of 14 eyes of 26 neonates and infants with formalin-fixed cadaver eyes, with particular attention to the anatomy of the extraocular muscle. Histological specimens from 12 normal infants were also examined. The results are as follows: The neonatal 5 pairs of eyes sagittal diameter, vertical diameter and diameter average slightly less than 17mm, while the adult eye for 24mm; average volume of 2.8ml, only adult 6.8 ~ 7.5ml in half; scleral surface area average 812mm ~ 2, which is only 1/3 of adult 2450mm ~ 2. The average corneal surface area is 102mm ~ 2, which is 3/4 of adult 138mm ~ 2. 6 months after birth, the eye growth has reached a diameter of 20.3mm, volume 5.25ml and surface area 1190mm ~ 2,