<unk>  is a medical term for seeing everything tinted with blue. It is also referred to as blue vision.<unk>  often occurs for a few days, weeks, or months after removal of a cataract from the eye.<unk>  also sometimes occurs as a side effect of taking sildenafil, tadalafil, or vardenafil.<unk>  is a medical symptom and not a sign. It is a purely subjective state and can be caused by a physical or functional abnormality of the eye, a physical or functional abnormality of the brain, or be purely psychological.<unk> , if unaccompanied by any other sign or symptom, is not an indication of any disease or disorder. Unless it causes an impairment or significant distress, it is not in and of itself diagnostically relevant.
Cyanopsia
Macropsia
Photopsia
Oscillopsia
Ocular dysmetria
Xanthopsia
Pelopsia
Cerebral polyopia