It is specialized for seeing things with highest clearness or visual acuity. It is the area of best vision where maximum amount of cone cells are present.It is also known as fovea centralis.. The maximum of sensory cells are present at this spot. It is another name of macula. It is subdivided into the umbo,foveola, foveal avascular zone,fovea,parafovea and perifovea areas. It has a diameter of 5.5mm in humans.
It is responsible for the central, high-resolution, colour vision that is possible in good light; and this kind of vision is impaired if it is damaged.