| US 7,517,086 B1 | ||
| Compensating for defects in human vision while displaying text and computer graphics objects on a computer output device | ||
| Uday Kürkure, Los Altos Hills, Calif. (US) | ||
| Assigned to Adobe Systems Incorporated, San Jose, Calif. (US) | ||
| Filed on Mar. 16, 2006, as Appl. No. 11/377,717. | ||
| Int. Cl. A61B 3/00 (2006.01) | ||
| U.S. Cl. 351—246 | 20 Claims |
| 1. A computer-implemented method, comprising:
receiving predetermined optometric correction information for a user;
subsequent to said receiving, adjusting a magnification scale factor for an output based on the predetermined optometric correction
information and based on at least one font characteristic of the output, wherein the font characteristic includes one or more
of: smallest font size in the output, average font size in the output, most frequently used font size in the document, and
font type in the output, wherein the output includes textual content and graphical content, and wherein the magnification
scale factor is configured to enlarge the output;
generating a transformation matrix for the output according to the magnification scale factor;
rendering the output with the transformation matrix to create an enlarged output, wherein the enlarged output includes enlarged
textual content and enlarged graphical content; and
displaying the enlarged output, wherein the displayed enlarged output is not used to determine the optometric correction information.
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