Full blood count. A full blood count, or FBC, is a very common blood test. Doctors use this to check a person's general health as well as screening for specific conditions, such as anaemia.
floater - spots before the eyes caused by opaque cell fragments in the vitreous humor and lens; floaters seem to drift through the field of vision musca volitans, muscae volitantes, spots symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease
Floaters are small clumps of gel or cells that move around in the vitreous, the gel that fills the middle of the eye. Floaters can sometime look like cobwebs, circles, worms, lines or dots. Floaters can be caused by many things: As we age, the vitreous gel in the eye may thicken and shrink, causing little clumps to form.