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，在視網膜斷層掃描中發現，視網膜神經纖維層在周邊部有明顯變薄的情形，而且在周邊視網膜的色素表皮層有增生的變化。
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. 纖維層被輸送至梳理區，梳理區的細梳針將殘留的短纖維及雜質清除，並使精梳條子中的纖維進一步排列順直。
