The results under scanning electron microscope were that the compound eye of miers is semi - globular . the surface area of the compound eyes is about 25 . 12mm2 . the ommatidia that form the compound eye are hexagon . on the back of the compound eye there is a thumb - shaped area where have no ommatidia 扫描电镜观察显示三疣梭子蟹的复眼外形为半球形，复眼表面积约为25 . 12mm ~ 2 ，背面有一拇指状的无眼区，组成复眼的小眼为长六边形；刀额新对虾的复眼外形为球形，背面无拇指状的无眼区，组成复眼的小眼为四边形。
