Heart palpitations; shakiness; as not gotten any other Moderna vaccination since then; Optic neuritis/His vision started to change within that next day; This spontaneous case was reported by a consumer and describes the occurrence of OPTIC NEURITIS (Optic neuritis/His vision started to change within that next day) in a 50-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 002B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concomitant products included METOPROLOL, LISINOPRIL, VITAMIN D [VITAMIN D NOS], UBIDECARENONE (COQ-10), MONASCUS PURPUREUS (RED YEAST RICE) and MULTIVITAMINS [VITAMINS NOS] for an unknown indication.    On 25-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 26-Mar-2021, the patient experienced OPTIC NEURITIS (Optic neuritis/His vision started to change within that next day) (seriousness criterion medically significant). On an unknown date, the patient experienced PALPITATIONS (Heart palpitations), TREMOR (shakiness) and INTENTIONAL DOSE OMISSION (as not gotten any other Moderna vaccination since then). The patient was treated with PREDNISONE ongoing since an unknown date for Eye disorder, at a dose of 30-40 mg as needed. At the time of the report, OPTIC NEURITIS (Optic neuritis/His vision started to change within that next day), PALPITATIONS (Heart palpitations) and TREMOR (shakiness) outcome was unknown and INTENTIONAL DOSE OMISSION (as not gotten any other Moderna vaccination since then) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In 2021, Magnetic resonance imaging: normal (normal) to check for multiple sclerosis and the doctor said there was no sign of nerve legions..     mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was withdrawn on an unknown date.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter considered OPTIC NEURITIS (Optic neuritis/His vision started to change within that next day) to be possibly related. No further causality assessments were provided for PALPITATIONS (Heart palpitations), TREMOR (shakiness) and INTENTIONAL DOSE OMISSION (as not gotten any other Moderna vaccination since then).    The patient had done dozens of different eye tests however the results were not reported. The patient also reported that he is going to go see a doctor.  Company Comment: This case concerns a 50-year-old male patient, with no details on medical history provided, who experienced the serious unexpected event of OPTIC NEURITIS. The event occurred 1 day after receiving the first dose of the Moderna COVID 19 vaccine. The rechallenge is not applicable since the outcome of the event is unknown. The benefit-risk relation of the Moderna COVID 19 vaccine is not affected by this report.; Sender's Comments: This case concerns a 50-year-old male patient, with no details on medical history provided, who experienced the serious unexpected event of OPTIC NEURITIS. The event occurred 1 day after receiving the first dose of the Moderna COVID 19 vaccine. The rechallenge is not applicable since the outcome of the event is unknown. The benefit-risk relation of the Moderna COVID 19 vaccine is not affected by this report.