1
Francis A L Esperance Jr: Method for ophthalmological surgery. LRI, Hopgood Calimafde Kalil Blaustein & Judlowe, May 19, 1987: US04665913 (339 worldwide citation)

The invention contemplates use of a scanning laser characterized by ultraviolet radiation to achieve controlled ablative photodecomposition of one or more selected regions of a cornea. Irradiated flux density and exposure time are so controlled as to achieve desired depth of the ablation, which is a ...


2
Francis A L Esperance Jr: Apparatus for ophthalmological surgery. LRI, Hopgood Calimafde Kalil Blaustein & Judlowe, January 12, 1988: US04718418 (312 worldwide citation)

The invention contemplates use of a scanning laser characterized by ultraviolet radiation to achieve controlled ablative photodecomposition of one or more selected regions of a cornea. Irradiated flux density and exposure time are so controlled as to achieve desired depth of the ablation, which is a ...


3
Francis A L Esperance Jr: Surgically implantable device for glaucoma relief. Medflex Corporation, Hopgood Calimafde Kalil Blaustein & Judlowe, April 5, 1994: US05300020 (234 worldwide citation)

The invention contemplates a surgically implantable device for controlled drainage flow of aqueous fluid from the anterior chamber of the eye into nearby subconjunctival space, all in relief of a glaucomatous condition of excessive pressure within the eye. The device includes provision for so contro ...


4
Francis A L Esperance Jr: Apparatus for phacoemulsifying cataractous-lens tissue within a protected environment. L Esperance Medical Technologies, Hopgood Calimafde Kalil Blaustein & Judlowe, November 2, 1993: US05257988 (227 worldwide citation)

An instrument for ophthalmic surgery to remove cataractous-lens tissue has an elongate stem which enables external manipulation at its proximal end and which at its distal end presents a cutter adjacent a transiently open cavity into which cut or chopped tissue can be manipulated. The instrument pro ...


5
Francis A L Esperance Jr: Method for performing ophthalmic laser surgery. LRI, Hopgood Calimafde Kalil Blaustein & Judlowe, March 22, 1988: US04732148 (211 worldwide citation)

The invention contemplates controlled ablation of the cornea, using ultraviolet laser radiation, wherein irradiated flux density and exposure time are so controlled as to achieve desired depth of the ablation. Sculpturing action results from controlled change of projected laser-spot size, in the cou ...


6
Francis A L Esperance Jr: Eye surgical instrument. Seidel Gonda & Goldhammer, September 28, 1976: US03982541 (195 worldwide citation)

Method and apparatus are disclosed for surgically removing surface portions of an eye such as cataract tissue. The eye surface portions to be removed are vaporized by a carbon dioxide laser beam. Smoke and vaporized portions are withdrawn by a vacuum pump.


7
Francis A L Esperance Jr: Method and apparatus for removing cataractous lens tissue by laser radiation. Hopgood Calimafde Kalil Blaustein & Judlowe, September 3, 1985: US04538608 (178 worldwide citation)

The invention involves the apparatus and the technique for non-invasive surgery to remove cataracted-lens tissue from an afflicted lens. The beam output of a laser is focused to a spot of maximum power density at the anterior surface of a cataracted lens and scanned over a predetermined area or area ...


8
Francis A L Esperance Jr: Method of laser-sculpture of the optically used portion of the cornea. LRI, Hopgood Calimafde Kalil Blaustein & Judlowe, September 13, 1988: US04770172 (150 worldwide citation)

The invention contemplates removal of epithelium-layer material from the anterior surface of the cornea, as a step preparatory to laser surgery, wherein controlled ultraviolet irradiation of the cornea is operative to surgically ablate corneal tissue within an epithelium-free area which is in the op ...


9
Francis A L Esperance Jr: Apparatus for performing ophthalmic laser surgery. LRI, Hopgood Calimafde Kalil Blaustein & Judlowe, March 8, 1988: US04729372 (148 worldwide citation)

The invention contemplates controlled ablation of the cornea, using ultraviolet laser radiation, wherein irradiated flux density and exposure time are so controlled as to achieve desired depth of the ablation. Sculpturing action results from controlled change of projected laser-spot size, in the cou ...


10
Francis A L Esperance Jr: Method of laser-sculpture of the optically used portion of the cornea. LRI, Hopgood Calimafde Kalil Blaustein & Judlowe, September 27, 1988: US04773414 (132 worldwide citation)

The invention contemplates removal of epithelium-layer material from the anterior surface of the cornea, as a step preparatory to laser surgery, wherein controlled ultraviolet irradiation of the cornea is operative to surgically ablate corneal tissue within an epithelium-free area which is in the op ...