Fundus photograph showed changes of the positions of optic disc and maculae fovea .
眼底摄影视盘和黄斑的位置发生改变。
Macular edema : the retina was elevated with a sharp cave in the fovea .
黄斑水肿:黄斑区视网膜隆起,中央凹陷,底部尖锐。
The high density of retinal cone cells at the central fovea provide the basis of sensitive central visual acuity , which relates to the individual variation and development .