A Case of Compressive Optic Neuropathy due to Breast Cancer Metastasis

Purpose: To report a case of compressive optic neuropathy due to breast cancer metastasis to the periorbital lesion 26 years after the treatment of primary cancer. Case summary: A 64-year-old female presented with headache, facial pain and visual disturbance in her left eye for four months. The patient had received chemotherapy and radiotherapy after left breast modified radical mastectomy for invasive ductal carcinoma 26 years previously, and...