Comments on: Surgical management of Helveston syndrome (triad of A pattern exotropia, superior oblique overaction, and dissociated vertical deviation) using four oblique procedure. - Pandey, Pramod; Sachdeva, Neha; Saraf, Priya; Choudhury, Rupak; Pandey, Pramod K; Choudhury, Rupak B (Indian Journal of Ophthalmology, 2021)