Are there any important considerations when initiating orbital radiation therapy for TED in a patient with diabetic retinopathy?

Recent research would suggest that the risk of radiation retinopathy in patients with DM undergoing orbital radiation therapy for TED is low (Makhoul S, Aranyosi JK, Csiki E, Urbancsek H, Nagy EB, Erdei A, Fodor M, Kovacs A, Nagy EV, Ujhelyi B. No retinopathy after orbital irradiation in patients wi...