falls; Tremors; speech problems; Uses a walker an wheelchair to get around; Seizures; Blackouts; Blurry vision in left eye; No vision in right eye; Rash; Vomiting; This spontaneous case was reported by an other health care professional and describes the occurrence of BLINDNESS (No vision in right eye), SEIZURE (Seizures) and LOSS OF CONSCIOUSNESS (Blackouts) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 16-Jul-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 17-Jul-2021, the patient experienced BLINDNESS (No vision in right eye) (seriousness criteria disability and medically significant), VISION BLURRED (Blurry vision in left eye), RASH (Rash) and VOMITING (Vomiting). On an unknown date, the patient experienced SEIZURE (Seizures) (seriousness criterion medically significant), LOSS OF CONSCIOUSNESS (Blackouts) (seriousness criterion medically significant), FALL (falls), TREMOR (Tremors), SPEECH DISORDER (speech problems) and GAIT DISTURBANCE (Uses a walker an wheelchair to get around). At the time of the report, BLINDNESS (No vision in right eye), SEIZURE (Seizures), LOSS OF CONSCIOUSNESS (Blackouts), VISION BLURRED (Blurry vision in left eye), FALL (falls), TREMOR (Tremors), SPEECH DISORDER (speech problems), GAIT DISTURBANCE (Uses a walker an wheelchair to get around), RASH (Rash) and VOMITING (Vomiting) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Concomitant medication were not provided Treatment medication were not reported. Patient had already worked in healthcare facility. Patients whole nervous system was affected by the vaccination. The patient received first dose on July 16th and woke up on July 17th sick with rash, vomiting, blurry vision in left eye and no vision in right eye. The patient had seizures, tremors and blackouts, falls and speech problems. Patients doctor had told no to second dose. Patients life had changed as it took the patients job away.  Company's comment: This case concerns a female patient of unknown age, with no relevant medical history, who experienced the unexpected events of blindness, seizure and loss of consciousness. The events occurred one day after the first dose of mRNA-1273. The patient received woke up sick with rash, vomiting, blurry vision in left eye and no vision in right eye. The patient had seizures, tremors and blackouts, falls and speech problems. The rechallenge was not applicable since second dose will not be administered by doctors recommendation. The benefit-risk relationship of mRNA-1273 is not affected by this report.; Sender's Comments: This case concerns a female patient of unknown age, with no relevant medical history, who experienced the unexpected events of blindness, seizure and loss of consciousness. The events occurred one day after the first dose of mRNA-1273. The patient received woke up sick with rash, vomiting, blurry vision in left eye and no vision in right eye. The patient had seizures, tremors and blackouts, falls and speech problems. The rechallenge was not applicable since second dose will not be administered by doctors recommendation. The benefit-risk relationship of mRNA-1273 is not affected by this report.