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 arenât usually a sign of anything serious, but they can be in some situations, such as: 1  Posterior uveitis: an inflammation in the urea, the middle layer of the eye beneath the sclera, the white part of your eye. 2  Bleeding in the eye. 3  Floaters that appear after eye surgery or an injury to the eye.