Singh, P., Karmacharya, S., Rizyal, A. and Rijal, A.P. 2016. Herpes zoster ophthalmicus with retrobulbar neuritis. Nepalese Journal of Ophthalmology. 8, 1 (Dec. 2016), 78–81. DOI:https://doi.org/10.3126/nepjoph.v8i1.16142.