“What causes floaters and flashes in the eye?”

A number of different condition, and at your age most of them are serious conditions

Flashes and floaters can be symptoms of a retinal detachment. A complete ophthalmic examination should be performed.

There are many possible causes for flashes and floaters. In many cases, it is the separation of the vitreous (a gelatinous material that fills the inside of the eye) from the retina, the inner lining of the eye responsible for collecting light information, a normal process that happens to most people. Sometimes these symptoms can be from infections or inflammatory disorders. Additionally, flashes and floaters can be a symptoms of a retinal tear or detachment, both of which are emergencies which require intervention by a trained ophthalmologist. Any new onset or increase in flashes and floaters requires urgent evaluation by an eye care professional.

Vitreous liquification in the back of the eye .

Debris within the back of the eyes and retina tractors