It contains a first list with two LUTs for the X and Y displacement of ganglion cell bodies for arbitrary locations in the retina (in mm assuming 24 mm axial length). The other two elements of the list contain precomputed vectors of degrees and mm on the retina for the same schematic eye, used for conversions. These are used by the function vf2gc().
A large list containing
a list of four elements: xlut and ylut are 2d matrices containing X and Y ganglion cell positions for any given location. Xv and Yv are vectors defining the corresponding locations for the matrices along the X and Y axis.
A vector of degrees from the fovea, using a schematic eye. Corresponds to distances on the retina stored in MM
A vector of MM distance from the fovea, using a schematic eye. Corresponds to distances in degrees stored in Degs
G. Montesano, G. Ometto, R. E. Hogg, L. M. Rossetti, D. F. Garway-Heath, and D. P. Crabb. Revisiting the Drasdo Model: Implications for Structure-Function Analysis of the Macular Region. Translational Vision Science and Technology, 9(10):15, 2020
N. Drasdo, C. L. Millican, C. R. Katholi, and C. A. Curcio. The length of Henle fibers in the human retina and a model of ganglion receptive field density in the visual field. Vision Research, 47:2901–2911, 2007
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