vision was deteriorating/vision tiredness/in her vision that something was not right; cataracts in both eyes, one worse than the other/she had one cataract in each eye; This spontaneous case was reported by a consumer and describes the occurrence of CATARACT (cataracts in both eyes, one worse than the other/she had one cataract in each eye) in a 38-year-old female patient 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 11-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 08-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In 2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 13-Apr-2022, the patient experienced CATARACT (cataracts in both eyes, one worse than the other/she had one cataract in each eye) (seriousness criterion medically significant). On an unknown date, the patient experienced VISUAL IMPAIRMENT (vision was deteriorating/vision tiredness/in her vision that something was not right). At the time of the report, CATARACT (cataracts in both eyes, one worse than the other/she had one cataract in each eye) had not resolved and VISUAL IMPAIRMENT (vision was deteriorating/vision tiredness/in her vision that something was not right) outcome was unknown.            No concomitant medications were reported.  Patient received booster by the end of Nov or beginning of Dec 2021.    Following vaccination with the 2nd dose, patient noticed in her vision that something was not right within a few weeks and her vision was deteriorating. Patient's optometrist mentioned she could have cataracts in both eyes, one worse than the other and her ophthalmologist on 13-Apr-2022 told her she had one cataract in each eye and recommended surgery as it won't get better. Patient stated she was predisposed genetically for cataracts but in older age and that she had her eyes checked over the years. She did not have any symptoms before and neither she had any injury or accident. Patient noticed her vision tiredness. Patient said that it stressed her to have cataracts surgery so young.  No treatment drugs were reported.  Company comment: This spontaneous case concerns a 38-year-old female patient with no medical history reported, who experienced the unexpected serious event of Cataract (seriousness criteria medically significant) which occurred approximately 4 months after the third dose of mRNA-1273 Vaccine (reported as in end of Nov or beginning of Dec 2021). It was reported that patient noticed her vision was deteriorating few weeks after the second dose of vaccination. Patient diagnosed with cataract in both eyes on by ophthalmologist and recommended surgery. - Patient had her eyes checked over the years. She didn't have any symptoms before and neither she had any injury or accident. The benefit-risk relationship of mRNA-1273 is not affected by this report.   This case was linked to MOD-2022-540719 (Patient Link).; Sender's Comments: This spontaneous case concerns a 38-year-old female patient with no medical history reported, who experienced the unexpected serious event of Cataract (seriousness criteria medically significant) which occurred approximately 4 months after the third dose of mRNA-1273 Vaccine (reported as in end of Nov or beginning of Dec 2021). It was reported that patient noticed her vision was deteriorating few weeks after the second dose of vaccination. Patient diagnosed with cataract in both eyes on by ophthalmologist and recommended surgery. - Patient had her eyes checked over the years. She didn't have any symptoms before and neither she had any injury or accident. The benefit-risk relationship of mRNA-1273 is not affected by this report.