GARY LEO HALL
Pilots at Onyx Ave, Phoenix, AZ

2002007, Jun 20, 2002

Dec 18, 2000

09/740341

Gary Hall - Phoenix AZ, US

G06G007/48

703/011000

A technique for automated design of a corneal surgical procedure includes topographical measurements of a patient's eye to obtain corneal surface topography. Conventional techniques are used to obtain the thickness of the cornea and the intraocular pressure. The topographical information is interpolated and extrapolated to fit the nodes of a finite element analysis model of the eye, which is then analyzed to predict the initial state of strain of the eye and obtain pre-operative curvatures of the cornea. Insertion and thermal shrinkage data constituting the “initial” surgical plan is incorporated into the finite element analysis model. A new analysis then is performed to simulate resulting deformations, stresses, strains, and curvatures of the eye. They are compared to the original values thereof and to the vision objective. If necessary, the surgical plan is modified, and the resulting new insertion or thermal shrinkage date is entered into the model and the analysis is repeated. This procedure is repeated until the vision objectives are met.

5611805, Mar 18, 1997

May 2, 1995

8/433862

Gary W. Hall - Phoenix AZ

A61F 900

606166

A keratotomy incision is formed in a cornea by manipulating an RK knife so that its blade extends a preselected depth into a point on the cornea. Sufficient force is applied by a surgeon's fingers to the knife to advance its blade in a preselected direction. Advancement of the blade is halted when resistance of the cornea against the blade exceeds a certain level. In one embodiment, a plurality of such incisions are formed in a predetermined pattern until a final incision is made wherein resistance of the cornea against the leading edge of the blade exceeds the particular level at the starting point for that final incision. The blade then is withdrawn from the cornea, whereby the plurality of incisions reduce strain in collagen fibrils of the cornea so as to correct a refractive error associated with such strain.

6074059, Jun 13, 2000

Mar 30, 1998

9/050843

Theodore A. Glass - Phoenix AZ
Tom M. Sherman - Phoenix AZ
Gary W. Hall - Phoenix AZ

G02C 100

351 86

The present invention relates to eyewear that provides replaceable and/or interchangeable lens for eyewear. The lens and frame set is adapted for the easy replacement and/or interchange of the removable lenses from a front side of the frame. In one embodiment, the lens is further secured into the frame from the front side by a resiliently compressible barrier that must be overcome in order for the lens to be received into and out of the frame. In another embodiment, the lenses are securable into the frame by friction from the front side, the friction arising between a resiliently compressible lens gasket that is attached to the periphery of the lens and an interior surface of the cross section of the bezel of eyepiece of the frame.

5411511, May 2, 1995

Nov 12, 1993

8/151273

Gary W. Hall - Phoenix AZ

A61B 1732

606166

A keratotomy incision is formed in a cornea manipulating an RK knife so that its blade extends a preselected depth into a preselected point on the cornea. Sufficient force is applied by a surgeon's fingers to the knife to advance its blade in a preselected direction. Advancement of the blade is halted when resistance of the cornea against the blade exceeds a certain level. A signal representative of the resistance is produced by a strain gauge or transducer in or on the knife. The level of the resistance is indicated on a display or audibly in response to the signal.