starting with normal temporal and nasal papillary stain values , there are , for qualitative diagnosis , four different directions in which the color range can shift from normal values on the din color chart , i.e. , in connection with simple optic atrophies , optic atrophies due to vascular conditions , hyperemic papillae , and deviations of the color range under vasodilative therapy .
C0042373
vascular conditions
C0020452
hyperemic