Floaters and "glitter" in my peripherals, is that normal?

Ocular migraines!: Ocular migraines are a form of migraines that take place in the occipital cortex (part of the brain that interprets/controls vision). They lack the severe headache as common migraines. The symptoms are usually all or mostly visual and are typically described as flashing of light or ziz-zag lights in the vision. They usually last less than 30 minutes and affect the vision out of both eyes.

Migraine or PVD: Depending on the nature of the floaters or glitter, it could be either. A "scintillating scotoma" is used to describe features of retinal migraine. A "flash" of light usually in one eye or "photopsia" can indicate vitreous traction on retina. The later may be associated with retinal tear and detachment. I would get it checked out. The floaters are also more a feature of vitreous detachment.