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Focal choroidal excavation: Review and updated pathogenesis
Chunyan Lei1, Zhongping Lv2, Rui Hua3
1Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, China; Research Laboratory of Macular Disease, West China Hospital, Sichuan University, Chengdu 610041, China.
Abstract:
Focal choroidal excavation is a morphological abnormality that has been recognized with the widespread application of optical coherent tomography. It can exist alone or in combination with or secondary to other chorioretinopathies, so investigators have applied many classification methods, but its pathogenesis is currently not completely understood. We summarize the latest progress in focal choroidal excavation and offer a rethinking of its pathogenesis.

