COMPARISON OF VISUAL ACUITY AFTER A COMBINATION OF CITICHOLINE AND METHYLPREDNISOLONE WITH A SINGLE CITICHOLINE TREATMENT IN NON-ARTERITIC ANTERIOR ISCHEMIC OPTIC NEUROPATHY PATIENTS: Oral Presentation - Observational Study - Resident (The Indonesian Ophthalmologists Association (IOA, Perhimpunan Dokter Spesialis Mata Indonesia (Perdami)), 2023)