Pneumonia; Losing vision in one eye/her vision is gone in one eye; Becoming diabetic; feeling funny; lethargic words; not being able to eat; thirsty; cold sweats; sweating profusely,; "drag his feet" which comes and goes all day; pain on the left side of her neck back on the head; hot chills; pain in left side of neck back on head; This spontaneous case was reported by a consumer and describes the occurrence of PNEUMONIA (Pneumonia), BLINDNESS UNILATERAL (Losing vision in one eye/her vision is gone in one eye) and DIABETES MELLITUS (Becoming diabetic) in a 55-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. Not provided) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Blood pressure high. Concomitant products included METFORMIN for Diabetes mellitus, AMLODIPINE for Hypertension, OXYMETAZOLINE HYDROCHLORIDE (CORICIDIN) and NYSTATIN (STATIN) for an unknown indication.   In April 2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. In May 2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced PNEUMONIA (Pneumonia) (seriousness criteria hospitalization and medically significant), BLINDNESS UNILATERAL (Losing vision in one eye/her vision is gone in one eye) (seriousness criterion medically significant), DIABETES MELLITUS (Becoming diabetic) (seriousness criterion medically significant), FEELING ABNORMAL (feeling funny), LETHARGY (lethargic words), FEEDING DISORDER (not being able to eat), THIRST (thirsty), COLD SWEAT (cold sweats), HYPERHIDROSIS (sweating profusely,), GAIT DISTURBANCE ("drag his feet" which comes and goes all day), NECK PAIN (pain on the left side of her neck back on the head), CHILLS (hot chills) and HEADACHE (pain in left side of neck back on head). The patient was hospitalized from 08-Jun-2021 to 14-Jun-2021 due to PNEUMONIA. The patient was treated with INSULIN for Diabetes mellitus, at a dose of 5 dosage form once a day. At the time of the report, PNEUMONIA (Pneumonia), BLINDNESS UNILATERAL (Losing vision in one eye/her vision is gone in one eye), DIABETES MELLITUS (Becoming diabetic), FEELING ABNORMAL (feeling funny), LETHARGY (lethargic words), FEEDING DISORDER (not being able to eat), THIRST (thirsty), COLD SWEAT (cold sweats), HYPERHIDROSIS (sweating profusely,), GAIT DISTURBANCE ("drag his feet" which comes and goes all day), NECK PAIN (pain on the left side of her neck back on the head), CHILLS (hot chills) and HEADACHE (pain in left side of neck back on head) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood glucose: 250 High.         Patient stated that it affected the vision on her right eye and that "her vision was gone in one eye" Patient was still experiencing hot chills and sweating profusely, drag his feet  which comes and goes all day, had pain on the left side of her neck back on the head. Treatment medication included Antibiotic (Unspecified name) for Pneumonia and 5 doses of insulin a day.  Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded. However, further information is requested.; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded. However, further information is requested.