Horizontal eccentricity
Encyclopedia
Horizontal Eccentricity refers to the horizontal axis, measured in degrees, along the visual field. The blind spot extends from an eccentricity d1 to eccentricity d2 in temporal
direction from the fovea
. The size of the blind spot can be calculated as ArcTan ((d2-d1)/d1) - ArcTan ((d2-d1)/d2).
Temple (anatomy)
Temple indicates the side of the head behind the eyes. The bone beneath is the temporal bone as well as part of the sphenoid bone.-Anatomy:Cladists classify land vertebrates based on the presence of an upper hole, a lower hole, both, or neither in the cover of dermal bone which formerly covered the...
direction from the fovea
Fovea
The fovea centralis, also generally known as the fovea , is a part of the eye, located in the center of the macula region of the retina....
. The size of the blind spot can be calculated as ArcTan ((d2-d1)/d1) - ArcTan ((d2-d1)/d2).