DR. COSMO SALIBELLO, O.D.
Optometry at Sandy Blvd, Wood Village, OR

5440360, Aug 8, 1995

Nov 5, 1993

8/148693

Jonathan G. Torrey - Portland OR
Cosmo Salibello - Portland OR

Prio Corporation - Lake Oswego OR

A61B 3032, A61B 302

351239

A test card for use in eye examinations emulates the light return profile of a video display screen such as those commonly used in connection with computers. The test card is used for prescribing corrective lenses for a computer user. The test card is formed on an opaque planar medium and has a plurality of characters formed thereon for reading by the patient, each character formed by a plurality of pixel elements. The pixel elements may be formed by designing a pattern of dots on a computer system using graphic software for representing the resulting pattern in a machine-readable graphics file. The graphics file is used to control a compatible imagesetter machine for forming the desired pattern on photographic film. According to an alternative method, a film master is prepared in which each pixel is a solid black dot. The test card is prepared by printing the image onto photographic paper through a diffusion element so as to create an approximately Gaussian light return profile across each pixel.

5325136, Jun 28, 1994

Jan 4, 1993

8/000211

Cosmo Salibello - Portland OR
Jonathan G. Torrey - Portland OR

PRIO Corporation - Portland OR

A61B 302

351243

An improved vision tester apparatus and method are disclosed for use in conducting optometric examinations of patients who use video display terminals (VDTs). Specifically, the tester simulates images that are displayed to the patient by a typical VDT, so as to facilitate prescribing corrective lenses that will perform well for the patient when used with an actual VDT. The tester (10) includes a flat-panel electroluminescent light source (32) for illuminating a screen (14) without hot spots. The screen includes a colored ink layer (78,80,82) and an opaque ink mask (70) for forming pixel-like light elements (24). Lensing structures (52,56,58,60) degrade the image such that each light element exhibits a generally Gaussian light amplitude curve (FIG. 5B) characteristic of a pixel of an actual VDT. A rechargeable battery (34) coupled to a inverter circuit (30) provide portable power for the EL panel to complete a compact, portable tester.

5515118, May 7, 1996

Jan 30, 1995

8/380828

Jonathan G. Torrey - Portland OR
Cosmo Salibello - Portland OR

PRIO Corporation - Lake Oswego OR

A61B 302

351239

A test card for use in eye examinations emulates the light return profile of a video display screen such as those commonly used in connection with computers. The test card is used for prescribing corrective lenses for a computer user. The test card is formed on an opaque planar medium and has a plurality of characters formed thereon for reading by the patient, each character formed by a plurality of pixel elements. The pixel elements may be formed by designing a pattern of dots on a computer system using graphic software for representing the resulting pattern in a machine-readable graphics file. The graphics file is used to control a compatible imagesetter machine for forming the desired pattern on photographic film. According to an alternative method, a film master is prepared in which each pixel is a solid black dot. The test card is prepared by printing the image onto photographic paper through a diffusion element so as to create an approximately Gaussian light return profile across each pixel.

5191367, Mar 2, 1993

Mar 7, 1991

7/665903

Cosmo Salibello - Portland OR
Jonathan G. Torrey - Portland OR
Steven G. Coffman - Bothell WA
Gerald M. Murch - Cupertino CA

Applied Vision Concepts, Inc. - Portland OR

A61B 302

351243

An optical instrument for use in conducting optometric examinations which generates an alphanumeric type display simulating the optical features of displays provided by video display terminals. The instrument comprises a light source and a multi-layered screen through which light from the source may be transmitted. The screen employs light from the source in forming characters which are comprised of pixel-like light elements similar to those making up VDT generated characters. Further, the screen is operative for degrading the image quality of the characters by transforming the light elements into Gaussian type spatial profiles typical of the pixels generated by VDTs.

4998820, Mar 12, 1991

Dec 12, 1988

7/282596

Cosmo Salibello - Portland OR
Jonathan G. Torrey - Portland OR
Steven G. Coffman - Portland OR
Gerald M. Murch - Portland OR

Applied Vision Concepts, Inc. - Portland OR

A61B 302

351243

An optical instrument for use in conducting optometric examinations which generates an alphanumeric type display simulating the optical features of displays provided by video display terminals. The instrument comprises a light source and a multi-layered screen through which light from the source may be transmitted. The screen employs light from the source in forming characters which are comprised of pixel-like light elements similar to those making up VDT generated characters. Further, the screen is operative for degrading the image quality of the characters by transforming the light elements into Gaussian type spatial profiles typical of the pixels generated by VDTs.