en Clinical Medicine Clinical Medicine گزارش موردی Case Report Article <span style="font-size:10pt"><span new="" roman="" style="font-family:" times=""><span style="font-size:9.0pt">We describe an exceptional instance of multiple sclerosis manifesting in a unilateral, superior visual field deficit accompanied by painful eye movements. A 16-year-old girl with no prior health issues presented with symptoms of blurred vision, ocular pain in eye movement, and a throbbing headache in her right eye. She experienced right-sided numbness for two weeks, which later affected her left limbs. Effective management of multiple sclerosis necessitates familiarity with its uncommon presentations due to the significance of early diagnosis and treatment.</span> <span style="font-size:9.0pt">Unilateral superior altitudinal visual field defect, orbital pain upon eye movement, and left hemi-paresthesia may be an uncommon presenting symptom in MS patients. After completing treatment with methylprednisolone, visual acuity can improve completely.</span></span></span><br> &nbsp; Altitudinal, Multiple sclerosis, Visual field 309 313 http://journal.zums.ac.ir/browse.php?a_code=A-10-2912-4&slc_lang=en&sid=1 Mehdi Maghbooli m.maghbooli@zums.ac.ir 5200319475328460086700 5200319475328460086700 Yes Zanjan University of Medical Sciences Shahram Afshari Afsharishahram7073@gmail.com 5200319475328460086701 5200319475328460086701 No Zanjan University of Medical Sciences Mahin Seifi Alan mah.seifi97@gmail.com 5200319475328460086702 5200319475328460086702 No Zanjan University of Medical Sciences