title: Ischaemic optic neuropathy induced sudden blindness as an initial presentation of acute lymphoblastic leukemia.
authors.affiliation: Department of Radiotherapy, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
authors.forename: Tamojit
authors.initials: T
authors.lastname: Chaudhuri
authors.affiliation: Department of Radiotherapy, SSKM Medical College and Hospital, Kolkata, West Bengal, India E-mail: tamojit.cnmc@gmail.com.
authors.forename: Somnath
authors.initials: S
authors.lastname: Roy
authors.affiliation: Department of Radiotherapy, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
authors.forename: Parag
authors.initials: P
authors.lastname: Roy