Curresponding to micruscupic eye structures in metamurphic rocks, huge eye structures,due to strong tensivnal shearing, are common appearde in well-developed granite areas, shown on satellite or aerial phutugraphs.
它是卫星照片或航空照片上经常出现的构造形式，这种宏观甚至起宏观的眼状构造基地壳上一种普遍的构造类型、由于它受到张剪性应变的严格控制。