Tianjin Key Laboratory of Ophthalmology and Visual Science Eye Hospital 300020;
College of Ophthalmology Medical University 300020;
Neuroophthalmology University Affiliated Eye Hospital 300020;
Non-arteritic anterior ischemic optic neuropathy; Branch retinal vein occlusion; Fundus fluorescein angiography; Field; VISION; PROGNOSIS; Case report;