Axial Map. The axial map displays axial radius of curvature or axial power, which is calculated by referring the optical (or sagittal) axis, as with the manual keratometer. Although this is the ...

AIMS/BACKGROUND It has been reported that the number of optic nerve fibres decrease with age, and the cup/disc (C/D) ratio increases as the optic disc size increases. Consequently, the normal value of ...