Radiation optic neuropathy

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Radiation optic neuropathy (RON) is a radionecrosis of the anterior visual pathway. It is a rare delayed and unpredictable complication of radiotherapy. RON presents with an acute painless and permanent visual loss. Both accurate and early diagnoses are mandatory as some specific therapies might benefit the patient. This presentation will summarize the physiopathology of RON with an emphasis on clinical diagnosis and therapeutic possibilities.

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