Patents Assigned to Retina Foundation
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Patent number: 11393085Abstract: Methods, systems, and computer readable media for analyzing an image using machine learning and human computation. A method for analyzing an image includes providing, via multiple instances of an interactive application for analysis of the image, multiple instances, respectively, of the image and receiving, via the interactive application, data from results of analyses of the image including multiple sets of user inputs from the analyses of the multiple instances of the image, respectively. The multiple sets of user inputs are from multiple users, respectively and the multiple users are associated with the multiple instances of the interactive application, respectively. The method further includes processing the received data to identify areas of interest within the image based on the multiple sets of user inputs and analyzing the image using a machine learning algorithm to identify structures in the image based on the identified areas of interest within the image.Type: GrantFiled: August 12, 2019Date of Patent: July 19, 2022Assignees: Southern Methodist University, Retina Foundation of the SouthwestInventors: Corey Clark, Karl Csaky
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Patent number: 10881609Abstract: The present disclosure generally relates to local therapies for the eye and, more particularly, to shaped controlled-release ocular implant devices, including methods for making and using such devices, for delivery of therapeutic agents to the eye. A molded two-layer ocular implant comprises a therapeutic agent for treatment or prevention of a disorder of the eye. The implant comprises a polymer layer and a silicone adhesive layer with a therapeutic agent interspersed therein and joined to the polymer layer. This implant is for placement in the sub-Tenon's space of the eye and provides sustained release of the therapeutic agent during the treatment or prevention of the disorder of the eye.Type: GrantFiled: September 5, 2019Date of Patent: January 5, 2021Assignee: Retina Foundation Of The SouthwestInventor: Karl Csaky
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Patent number: 10449145Abstract: The present disclosure generally relates to local therapies for the eye and, more particularly, to shaped controlled-release ocular implant devices, including methods for making and using such devices, for delivery of therapeutic agents to the eye. A molded two-layer ocular implant comprises a therapeutic agent for treatment or prevention of a disorder of the eye. The implant comprises a polymer layer and a silicone adhesive layer with a therapeutic agent interspersed therein and joined to the polymer layer. This implant is for placement in the sub-Tenon's space of the eye and provides sustained release of the therapeutic agent during the treatment or prevention of the disorder of the eye.Type: GrantFiled: August 21, 2018Date of Patent: October 22, 2019Assignee: RETINA FOUNDATION OF THE SOUTHWESTInventor: Karl Csaky
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Patent number: 10098836Abstract: The present invention generally relates to local therapies for the eye and, more particularly, to shaped controlled-release ocular implant devices, including methods for making and using such devices, for delivery of therapeutic agents to the eye. A molded two-layer ocular implant comprises a therapeutic agent for treatment or prevention of a disorder of the eye. The implant comprises a polymer layer and a silicone adhesive layer with a therapeutic agent interspersed therein and joined to the polymer layer. This implant is for placement in the sub-Tenon's space of the eye and provides sustained release of the therapeutic agent during the treatment or prevention of the disorder of the eye.Type: GrantFiled: May 1, 2014Date of Patent: October 16, 2018Assignee: RETINA FOUNDATION OF THE SOUTHWESTInventor: Karl Csaky
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Patent number: 5109282Abstract: Apparatus and methods for converting continuous grey tone images into high resolution halftone images utilize an iterative, multi-level, multi-resolution error convergence process. The continuous grey tone image is first binarized. At each level of the process, the binarized image is compared with the grey tone image over a larger window of pixels. Within each window, selected binarized image pixels are tested for possible change in binary assignment. The binary assignment of a given test pixel is changed if the change would result in a lower average error over the entire window. By varying the selection of test pixels, the process can provide clustered dot patterns and dithering.Type: GrantFiled: June 20, 1990Date of Patent: April 28, 1992Assignee: Eye Research Institute of Retina FoundationInventor: Eli Peli
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Patent number: 5106184Abstract: A retinal blood flow velocimeter projects an illumination beam through a steering system onto a retinal vessel, and forms a separate tracking image back through the steering system. A fast tracking loop detects motion of the tracking image and moves the steering system to null image motion and keep the illumination beam centered on the vessel. The beam is reflected from the vessel, picked up by detectors at two fixed angles, and processed by spectral analysis. In one preferred embodiment the illumination beam and the steering system follow entirely separate paths through the steering system. Fiber optics translate the collected Doppler light without dispersion while preserving phase relationships, and absolute dimensions are determined from the image tracking electronics. A processor then computes volumetric blood flow which it compares with normative data.Type: GrantFiled: August 13, 1990Date of Patent: April 21, 1992Assignee: Eye Research Institute of Retina FoundationInventor: Michael T. Milbocker
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Patent number: 5100661Abstract: Disclosed is a method of inhibiting inositol metabolism in a cell. This method includes introducing into a cell a binding molecule which reduces inositol metabolism by reacting with A-protein or an A-protein containing complex. The binding molecule is an antibody which may be introduced into the cell via a liposome.Type: GrantFiled: March 21, 1988Date of Patent: March 31, 1992Assignee: Eye Research Institute of Retina FoundationInventor: Geoffrey J. Schmidt
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Patent number: 5094523Abstract: An optical steering assembly includes first and second steering elements, such as orthogonally-oriented glavanometer mirrors, scanners or acousto-optical cells, for redirecting light in both forward and return optical paths without crosstalk or mixing. Input light traveling in the first direction is directed from the first side of the first element to the first side of the second element, undergoing two orthogonal steering deflections to a redirected output path. Return light along the same or a closely adjacent path is directed at the second side of one element, where an optical relay system tranlates it to the second side of the other element. The return light thus strikes the opposite sides of the same elements as the input light, and undergoes corresponding steering corrections while maintaining complete beam separation. The assembly is especially useful in instruments where low light levels, scan distortion, or crosstalk would otherwise limit performance.Type: GrantFiled: May 11, 1990Date of Patent: March 10, 1992Assignee: Eye Research Institute of Retina FoundationInventors: Yakov Reznichenko, Michael T. Milbocker
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Patent number: 5054908Abstract: A method and apparatus for evaluating a human visual function employ a set of test objects that have viewing surfaces. One viewing surface bears no visually perceptible pattern and hence is visually homogeneous. Other viewing surfaces bear patterns of selected different coarseness corresponding to different visual acuities. The viewing surfaces preferably are otherwise visually identical and have selected luminosities. An examiner can readily evaluate a visual acuity function of a wide range of subjects, including infants, by observing the subject's eye motion to determine whether the subject distinguishes a perceptible pattern from the homogeneous pattern.Type: GrantFiled: September 30, 1988Date of Patent: October 8, 1991Assignee: Eye Research Institute of Retina FoundationInventors: Osamu Katsumi, Yoshitaka Miyanaga
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Patent number: 5051443Abstract: The composition and method of using a non-steroidal antiinflammatory compound, such as indomethacin and/or a growth factor that causes a change in cell function when bound to specific cell surface receptor, such as epidermal growth factor (EGF), to enhance healing and restore function of the corneal endothelium. The compositions can be administered alone, in combination, or in sequence, before or after injury, for example, in an irrigation solution or in combination with a nutritive solution for storage of cornea prior to transplant.Type: GrantFiled: April 13, 1989Date of Patent: September 24, 1991Assignee: Eye Research Institute of Retina Foundation, Inc.Inventors: Arthur H. Neufeld, Nancy C. Joyce, Marcia M. Jumblatt
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Patent number: 5036046Abstract: Method using a non-steroidal antiinflammatory compound, such as indomethacin and/or a growth factor that causes a change in cell function when bound to a specific cell surface receptor, such as epidermal growth factor (EGF), to enhance healing and restore function of the corneal endothelium. The compositions can be adminsitered alone, in combination, or in sequence, before or after injury, for example, in an irrigation solution or in combination with a nutritive solution for storage of a cornea prior to transplant.Examples of useful growth factors include, in addition to EGF and EGF-like compounds, fragments of EGF containing the receptor binding region, and EGF modified to improve stability, increase half-life, or enhance permeation into the eye. Examples of other non-steroidal antiinflammatories include aspirin, ibuprofen, and suprofen. The composition can be applied topically to the eye or delivered in a controlled fashion by means of a material such as a polymeric implant, gel, or liposomes.Type: GrantFiled: October 12, 1988Date of Patent: July 30, 1991Assignee: Eye Research Institute of Retina Foundation, Inc.Inventors: Arthur H. Neufeld, Nancy C. Joyce, Marcia M. Jumblatt
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Patent number: 5032575Abstract: Method using a non-steroidal antiinflammatory compound, such as indomethacin and/or a growth factor that causes a change in cell function when bound to a specific cell surface receptor, such as epidermal growth factor (EGF), to enhance healing and restore function of the corneal endothelium. The compositions can be administered alone, in combination, or in sequence, before or after injury, for example, in an irrigation solution or in combination with a nutritive solution for storage of a cornea prior to transplant.Examples of useful growth factors include, in addition to EGF and EGF-like compounds, fragments of EGF containing the receptor binding region, and EGF modified to improve stability, increase half-life, or enhance permeation into the eye. Examples of other non-steroidal antiinflammatories include aspirin, ibuprofen, and suprofen. The composition can be applied topically to the eye or delivered in a controlled fashion by means of a material such as a polymeric implant, gel, or liposomes.Type: GrantFiled: April 13, 1989Date of Patent: July 16, 1991Assignee: Eye Research Institute of Retina Foundation, Inc.Inventors: Arthur H. Neufeld, Nancy C. Joyce, Marcia M. Jumblatt
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Patent number: 5028802Abstract: Apparatus and methods for generating an image of an object utilize a scannable microlaser array to provide a flying spot light source. The microlaser array is scan-energized and imaged onto the object to illuminate the object. Light scattered, reflected, or transmitted from the object is collected and detected, and can be converted to a video-level signal for display on a monitor. The microlaser array can be raster-scanned, scanned in a random access mode, or have at least two laser elements energized simultaneously, to enhance contrast, provide multiplexing, and increase dynamic range. A confocal configuration utilizes a detector array that is scan-read synchronously with the laser excitation pattern.Type: GrantFiled: January 11, 1990Date of Patent: July 2, 1991Assignee: Eye Research Institute of Retina FoundationInventors: Robert H. Webb, Francois C. Delori, George T. Timberlake
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Patent number: 4991953Abstract: An instrument for imaging the vitreous of an eye wherein first and second windows in the iris plane accommodate a slit illumination or observation beam, and the two beams are synchronously scanned. Both beams pass through a common objective optical system, including an aspheric ophthalmic lens, and the observation beam is descanned by a mirror and spatially filtered by an observation slit conjugate to the slit which forms the illumination beam. Lateral position or width adjustment of a slit varies the axial extent or position of the focal region, to produce an image free of retinal reflection. Slit width may be increased to simulataneously image with good resolution and contrast all planes within a broad range of depths. In one binocular embodiment, the observation and illumination paths are alternately interchanged to produce a pair of stereo images formed along identical, but reversed, optical paths with a single set of optics.Type: GrantFiled: February 9, 1989Date of Patent: February 12, 1991Assignee: Eye Research Institute of Retina FoundationInventors: Kent P. Pflibsen, Yakov Reznichenko
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Patent number: 4956348Abstract: A method and preparation for the stimulation of tear secretion. The method involves topically applying a phosphodiesterase inhibitor and/or cyclic nucleotide analogue to the ocular surface. Inhibition of phosphodiesterase and cyclic nucleotide analogues increase cyclic nucleotide levels in lacrimal gland tissue, thereby stimulating tear secretion. The preparation contains a phosphodiesterase inhibitor or a cyclic nucleotide analogue and a vehicle for the phosphodiesterase inhibitor or cyclic nucleotide analogue, and may contain an ophthalmic preservative.Type: GrantFiled: June 27, 1988Date of Patent: September 11, 1990Assignee: Eye Research Institute of Retina FoundationInventors: Jeffrey P. Gilbard, Darlene A. Dartt
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Patent number: 4938389Abstract: A multidose liquid dispenser for maintaining the sterility of solutions without a preservative has been developed. The dispenser includes a filter assembly having a hydrophobic filter and a hydrophilic filter in tandem with the hydrophobic filter located near the dispensing tip. The use of the hydrophobic exterior filter and the hydrophilic interior filter permits excellent liquid flow while precluding the growth of bacteria on the filter. The inability of the bacteria to attach to the exterior hydrophobic filter prevents clogging of the pores.Type: GrantFiled: November 3, 1988Date of Patent: July 3, 1990Assignee: Eye Research Institute of Retina FoundationInventors: Scott R. Rossi, Jeffrey P. Gilbard
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Patent number: 4911933Abstract: An ophthalmic preparation and a method for preparing the ophthalmic preparation is described. The ophthalmic preparation has an enhanced ability to permit essentially normal maintenance of ocular surface mucus-containing goblet cells while present in the eye.Type: GrantFiled: August 16, 1988Date of Patent: March 27, 1990Assignee: Eye Research Institute of Retina FoundationInventor: Jeffrey P. Gilbard
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Patent number: 4893920Abstract: An apparatus and method for correcting cross scan error in a two coordinate optical scanning system where the two scanners are spaced apart in the optical system. An anamorphic lens is positioned between the scanner which is introducing the cross scan error and the second scanner, with the lens being formed and positioned so that the focal length on the coordinate of scan from the first scanner is different from its focal length on the coordinate of scan orthogonal to it. An object lens is placed between the second scanner and the object being scanned. This lens in an ophtalmoscope is the lens of the eye.Type: GrantFiled: August 9, 1988Date of Patent: January 16, 1990Assignee: Eye Research Institute of Retina FoundationInventor: Robert H. Webb
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Patent number: 4887270Abstract: A solid-state laser system for producing a frequency-doubled CW laser output beam having a stabilized output. The laser system includes within a three-mirror resonator cavity, a Nd: YAG laser rod operating at an output wavelength of 1.064 .mu.m in the TEMoo transverse mode, and a KTP frequency-doubling crystal. At one end of the laser cavity the beam is reflected from a folding mirror through the frequency-doubling crystal to another reflecting mirror which reflects both the fundamental wavelength of the output beam from the laser rod, and also the doubled frequency beam at a wavelength of 0.532 .mu.m back through the frequency-doubling crystal onto the folding reflector. The folding reflector is coated to reflect light at the longer wavelength but transmits substantially all of the light incident upon it at the 0.532 .mu.m wavelength.Type: GrantFiled: November 29, 1988Date of Patent: December 12, 1989Assignee: Eye Research Institute of Retina FoundationInventor: William L. Austin
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Patent number: 4868154Abstract: A method and preparation for the stimulation of tear secretion. The method involves topically applying to the ocular surface melanocyte stimulating hormones, and their active precursors, derivatives, and fragments which activate melanotropin receptors of lacrimal gland tissue. The preparation contains a melanocyte stimulating hormone, and a vehicle for a melanocyte stimulating hormone and may also contain an ophthalmic preservative.Type: GrantFiled: February 19, 1986Date of Patent: September 19, 1989Assignee: Eye Research Institute of Retina FoundationInventors: Jeffrey P. Gilbard, Darlene A. Dartt