a floater in his left eye; has a floater in his left eye that is very irritating; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 73-year-old male patient received BNT162b2 (BNT162B2), on 11Apr2022 at 15:30 as dose 4 (booster), 0.3 ml single (Lot number: FJ9943, Expiration Date: 22May2022) at the age of 73 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "Blood Pressure" (unspecified if ongoing); "Cholesterol" (unspecified if ongoing). The patient took concomitant medications. Vaccination history included: BNT162b2 (Pfizer Covid vaccine Dose #1 on 20Feb2021. Caller does not have NDC, expiry or dose to provide. lot EL9267. Given in his left arm around 6am., Caller is asking if others have reported or is this a common experience after the vaccine. States he had nothing like this with his previous 3 shots.), administration date: 20Feb2021, when the patient was 72-year-old, for COVID-19 immunization; BNT162b2 (Pfizer Covid vaccine Dose #2 on 13Mar2021. Caller does not have NDC, expiry or dose to provide. lot EN6205. Given in his left arm around 6am., Caller is asking if others have reported or is this a common experience after the vaccine. States he had nothing like this with his previous 3 shots.), administration date: 13Mar2021, when the patient was 72-year-old, for COVID-19 immunization; BNT162b2 (Pfizer Covid vaccine booster #1 on 30Nov2021. Caller does not have NDC, expiry or dose to provide. lot FE3692. Given in his left arm about 10am., Caller is asking if others have reported or is this a common experience after the vaccine. States he had nothing like this with his previous 3 shots.), administration date: 30Nov2021, when the patient was 73-year-old, for COVID-19 immunization; Flu shots (States just a sore arm from the shot location with flu shots. Caller does not have name, NDC, lot, or expiry to provide.), reaction(s): "just a sore arm from the shot location".  The following information was reported: VITREOUS FLOATERS (non-serious) with onset 11Apr2022, outcome "not recovered", described as "a floater in his left eye"; EYE IRRITATION (non-serious) with onset 11Apr2022, outcome "not recovered", described as "has a floater in his left eye that is very irritating". Therapeutic measures were taken as a result of vitreous floaters, eye irritation.  Additional information: Caller stated he got the 4th dose, his booster of Pfizer yesterday and within 1 hour he experienced a vision side effect. Stated he has a floater in his left eye that was very irritating, very distracting and sort of like looking through a bug on the windshield and it moves around. Caller was asking if others have reported or was this a common experience after the vaccine. Stated he had nothing like this with his previous 3 shots. Vaccination Facility Type was Pharmacy/Drug Store. Vaccine was not Administered at Facility. Vaccination Facility Address: Facility Name was pharmacy. Caller stated he thought that might be it might go away after sleeping but it's still there. Stated he has tried general eye drops. Additional Vaccines Administered on Same Date of the Pfizer Suspect was none. Patient had no Vaccinations (within 4 weeks). There were no Relevant Tests.