Is it unusual to have floaters in your eyes in your 30s?

Part of aging. Floaters are a consequence of protein particles drifting within the vitreous fluid of our eye. They are common and harmless most of the time. If new or associated with other symptoms like flashes, the eye should be examined for retinal problems. Constant floaters can be a warning that there are changes in the retina like a tear or detachment. Get it checked out.