Retinal analysis with optical coherence tomography showed generalized thinning of the retina and hyperplasia of the retinal pigmented epithelial layer in the mid-peripheral retina. 此外，在视网膜断层扫描中发现，视网膜神经纤维层在周边部有明显变薄的情形，而且在周边视网膜的色素表皮层有增生的变化。
The layer of fibers is fed into the combing area, where fine metal wires clean out remaining short fibers and impurities and further parallelize the fiber in the comber lap. 纤维层被输送至梳理区，梳理区的细梳针将残留的短纤维及杂质清除，并使精梳条子中的纤维进一步排列顺直。
