Method for displaying corneal topography

Details Method for displaying corneal topography Method for displaying corneal topography

1993-04-08

1995-01-24

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351247, A61B 310

Patent

active

053846087

ABSTRACT:
Color-coded corneal topographic information contained in a polar plot of plurality of different traces taken over the corneal surface, such as that disclosed in the U.S. Pat. 4,863,260, is reprocessed to present the color topographic map in a "hills and valleys", Cartesian coordinate display; polar position being presented along the x-axis and elevation being presented along the y-axis. The different circular traces are separated one from the other in a perspective dispersion to emphasize the elevation data with the more apical traces being presented at one end and the more limbal trace being presented at the other end of the perspective dispersion.

REFERENCES:
patent: 4863260 (1987-09-01), Gersten et al.
Asian Pacific Journ. of Ophthal. vol. 3, No. 1, Hamano, "Fund. and Clin. Studies of Corneal Psysiology and Contact Lenses", Jan. 1991.

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