Patent application number | Description | Published |
20130208265 | METHOD AND APPARATUS FOR DETERMINING A THICKNESS PROFILE OF AN OPHTHALMIC LENS USING A SINGLE POINT THICKNESS AND REFRACTIVE INDEX MEASUREMENTS - This invention provides for a method and an ophthalmic lens thickness profile measuring apparatus. More specifically, the apparatus which is capable of measuring the ophthalmic lens in a precursor state after it is free-formed on an optic forming mandrel on which it can be formed. Additionally, the present invention can also allow for a design profile of the formed ophthalmic lens to be compared to the resulting free-formed ophthalmic lens to ensure it meets specified convergence design criteria. | 08-15-2013 |
20130258274 | METHOD AND APPARATUS FOR PROVIDING VARIATIONS OF A LOWER-LID CONTACT SURFACE AND UNDER-LID SUPPORT STRUCTURES OF A TRANSLATING MULTIFOCAL CONTACT LENS - The present invention discloses a translating multifocal contact Lens including one or both of a lower-lid contact surface and an under-lid support structure. More specifically, a translating multifocal contact Lens whereby a lower-lid contact surface may include multiple geometric variations and Blend Zones, and an under-lid support structure that may be designed based upon one or more various techniques including one or more of a function-driven technique, a uniform axial thickness technique, a uniform radial thickness technique, and a MES technique. | 10-03-2013 |
20130297057 | CONTOUR FORM CONTROL - This invention describes methods and apparatus for implementing a Convergence Process to Converge a Lens Design wherein a previous DMD Show may be modified for a subsequent Iteration. In preferred embodiments, an Iterative Loop may be initiated during a Convergence Process wherein one or more of various: techniques, modalities, and thickness correction methods may be implemented. | 11-07-2013 |
20130307965 | METHOD AND APPARATUS FOR MEASURING THE WAVEFRONT OF AN OPHTHALMIC DEVICE - This invention provides for a method and a wavefront measuring apparatus used to measure, in one or continuous measurements, one or more ophthalmic devices directly on a forming mandrel, in non-hydrated state and in a much faster way with high spatial resolution. | 11-21-2013 |
20140055744 | LENS PRECURSOR WITH FEATURES FOR THE FABRICATION OF AN OPHTHALMIC LENS - This invention provides for the fabrication of ophthalmic lenses via the utilization of DMD shows and/or DMD files. More specifically, the use of the DMD shows and/or DMD files to generate lens precursor designs comprising described features to form part of a substructure for the fluid reactive media portion of the lens precursor and wherein the lens precursor can generate particular ophthalmic lens designs in a free-form manner using methods described herein. | 02-27-2014 |
20140063444 | METHODS AND APPARATUS FOR FORMING A TRANSLATING MULTIFOCAL CONTACT LENS - The present invention discloses a translating multifocal contact lens including one or more of multiple Optic Zones, a lower-lid contact surface, and an under-lid support structure and method steps and apparatus for implementing the same. In preferred embodiments, a translating multifocal lens with at least a portion of one surface may be Free-formed comprising one or both of a lower-lid contact surface and an under-lid support structure capable of limiting the amount of translation of a lens across a surface of an eye when an eye changes from one Optic Zone to another. | 03-06-2014 |
20140063446 | METHOD AND APPARATUS OF FORMING A TRANSLATING MULTIFOCAL CONTACT LENS HAVING A LOWER-LID CONTACT SURFACE - The present invention discloses a translating multifocal contact lens including one or both of multiple Optic Zones and a lower-lid contact surface, and method steps and apparatus for implementing the same. In preferred embodiments, a translating multifocal lens may be Free-formed comprising a lower-lid contact surface capable of limiting the amount of translation of a lens across a surface of an eye when an eye changes from one Optic Zone to another. | 03-06-2014 |
Patent application number | Description | Published |
20090051059 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 02-26-2009 |
20090053351 | APPARATUS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses apparatus for generating an ophthalmic lens with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 02-26-2009 |
20090168014 | LASER ENHANCED LENS - This invention discloses methods and apparatus for modifying a silicone contact lens via laser ablation and a resulting modified lens. In some embodiments a lens is ablated in a hydrated state. A lens may also be ablated in an environment of decreased oxygen content. | 07-02-2009 |
20090174863 | FREE FORM OPHTHALMIC LENS - This invention provides for an ophthalmic lens with at least one portion of the lens including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens with at least one portion including multiple voxels of polymerized crosslinkable material. In some embodiments, an ophthalmic Lens includes a surface with one or both of a raised area and a depressed area. | 07-09-2009 |
20100047380 | OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses Lens Precursors and apparatus for generating an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic Lens Precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 02-25-2010 |
20100245761 | FREE FORM LENS WITH REFRACTIVE INDEX VARIATIONS - This invention provides for an ophthalmic lens with at least one portion of the lens including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens with one or more areas of different refractive indexes and a surface with one or both of a raised area and a depressed area. | 09-30-2010 |
20110116036 | FREE FORM OPHTHALMIC LENS - This invention provides for an ophthalmic lens with at least one portion of the lens including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens with at least one portion including multiple voxels of polymerized crosslinkable material. In some embodiments, an ophthalmic Lens includes a surface with one or both of a raised area and a depressed area. | 05-19-2011 |
20110181835 | LASER ENHANCED LENS - This invention discloses methods and apparatus for modifying a silicone contact lens via laser ablation and a resulting modified lens. In some embodiments a lens is ablated in a hydrated state. A lens may also be ablated in an environment of decreased oxygen content. | 07-28-2011 |
20110220021 | APPARATUS FOR VAPOR PHASE PROCESSING OPHTHALMIC DEVICES - This invention discloses apparatus for processing one or more of a Lens Precursor, a Lens Precursor Form and an ophthalmic Lens. The apparatus provides for vapor phase processing of the subject Lens Precursor, a Lens Precursor Form and an ophthalmic Lens. | 09-15-2011 |
20120080811 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 04-05-2012 |
20120133957 | LASER CONFOCAL SENSOR METROLOGY SYSTEM - The present invention provides apparatus for a non-contact method of obtaining accurate three-dimensional measurements of a dry contact lens, more specifically, using dry lens metrology to know the exact thickness of a contact lens. | 05-31-2012 |
20120133958 | LASER CONFOCAL SENSOR METROLOGY SYSTEM - The present invention provides apparatus for a non-contact method of obtaining accurate three-dimensional measurements of a dry contact lens, more specifically, using dry lens metrology to know the exact thickness of a contact lens. | 05-31-2012 |
20120171388 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 07-05-2012 |
20120187590 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 07-26-2012 |
20120258187 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 10-11-2012 |
20130075577 | APPARATUS FOR FORMATION OF AN OPTHALMIC LENS PRECURSOR AND LENS - This invention discloses apparatus for generating an ophthalmic lens with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 03-28-2013 |
20130235334 | OPHTHALMIC LENS FORMING OPTIC - This invention provides for a forming optic used for the manufacture of at least one customized ophthalmic lens in a single optical quality surface. In some embodiments, the forming optic can include a mandrel with the optical quality forming surface portion that includes different shapes, design features and surface characteristics. In addition, in some embodiments of the invention a coating or monolayer is provided to provide lens edge properties desired. | 09-12-2013 |
20130235339 | OPTHALMIC LENS FORMING OPTIC - This invention provides for a method of cleaning and pre-treating a forming optic surface used for the Free Form manufacture of at least one ophthalmic lens. More specifically, the cleaning which can be used to change the surface energy characteristics of the optical quality forming surface. | 09-12-2013 |
20140049745 | APPARATUS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses apparatus for generating an ophthalmic lens with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 02-20-2014 |
20140063486 | LASER CONFOCAL SENSOR METROLOGY SYSTEM - The present invention provides apparatus for a non-contact method of obtaining accurate three-dimensional measurements of a dry contact lens, more specifically, using dry lens metrology to know the exact thickness of a contact lens. | 03-06-2014 |
Patent application number | Description | Published |
20090259117 | SYSTEM AND METHOD FOR DIFFERENTIATING BETWEEN TISSUE-SPECIFIC AND SYSTEMIC CAUSES OF CHANGES IN OXYGEN SATURATION IN TISSUE AND ORGANS - A method for monitoring oxygen saturation that includes the following steps: (i) measuring an oxygen saturation of a target area of a person or animal over time; (ii) measuring an oxygen saturation of a reference area of the person or animal over time; and (iii) classifying the oxygen saturation status of the target area based upon a comparison of the oxygen saturation of the target area relative to the oxygen saturation of the reference area over time. | 10-15-2009 |
20100087718 | NON-INTERFERING PHYSIOLOGICAL SENSOR SYSTEM - A system includes a light source, a photodetector in optical communication with the light source, and a processor in communication with said photodetector and configured to output a signal representing oxygen saturation independent of an interfering signal from an interfering source. The system may further include an analog-to-digital converter in communication with the processor that is configured to digitize a signal from the photodetector by oversampling and output oversampling data to the processor. The processor may include an averaging filter that averages the oversampling data received from said analog-to-digital converter prior to decimation to generate an oversampling number. | 04-08-2010 |
20100140451 | PHYSIOLOGICAL SENSOR WITH BOOSTER CIRCUIT - A physiological sensor includes a light source in optical communication with a light detector. A controller is in communication with the light detector via a connector. A booster circuit is in communication with the light detector and the connector. The booster circuit may be configured to buffer signals generated by the light detector and reduce an input capacitance on either the controller or terminals of the connector. In various embodiments, the booster circuit may be disposed on the connector for a reusable cable or a disposable sensor pad. | 06-10-2010 |
20100145645 | SYSTEM AND METHOD OF DETERMINING LIGHT SOURCE AGING - A physiological sensor includes a light source and an age detector circuit in communication with the light source. The age detector circuit is configured to determine an age of the light source based on current-voltage characteristics of said light source. In addition, a method includes measuring an initial I-V characteristic and an actual I-V characteristic of the light source, and comparing the initial I-V characteristic to the actual I-V characteristic since changes in the I-V characteristics indicate aging. Actual I-V characteristics can be compared between light sources when they age at different rates to determine light source aging. Moreover, the method may include updating the memory device with the actual I-V characteristic at predetermined times. | 06-10-2010 |
20100222654 | OPTICAL-BASED PHYSIOLOGICAL SENSOR ASSEMBLY WITH DISPOSABLE BARRIER LAYER - A physiological sensor assembly includes a physiological sensor having at least one light source and at least one optical receiver. A substantially transparent barrier layer is disposed between the physiological sensor and the patient's skin such that the barrier layer is removably adhered to the physiological sensor and removably adhered to the patient's skin. | 09-02-2010 |
20110105912 | CEREBRAL AUTOREGULATION INDICES - Monitoring cerebral autoregulation may include determining one or more autoregulation indices incorporating cerebral blood flow and blood pressure measurements and/or indices. Measurement techniques may be invasive or non-invasive. Various combinations of data, e.g., oximeter data, electrocardiogram data, blood pressure data, hemoglobin data, and heart rate data, may be used to create various indices. Many of the indices may be based on correlations of data. A display may indicate several of the indices. | 05-05-2011 |
20110208024 | SYSTEM AND METHOD OF RESOLVING OUTLIERS IN NIRS CEREBRAL OXIMETRY - A system and method for non-invasively estimating the tissue blood oxygen saturation level of a human subject, including so-called “outliers”, whose physiological make-up causes previously-known techniques to generate invalid tissue blood oxygen saturation estimations. The system includes a computing device and a sensor. The sensor includes a light source configured to emit light of at least four different wavelengths, one at a time. The sensor also includes two light detectors, each positioned a different distances from the light source. Optical density measurements are taken by the light detectors and provided to the computing device. A first tissue blood oxygen saturation value is computed using the optical density measurements associated with three of the four wavelengths, and a second tissue blood oxygen saturation value is computed using the optical density measurements associated with four of the wavelengths. The first and second tissue blood oxygen saturation values are compared, and the human subject is identified as an “outlier” based upon that comparison. | 08-25-2011 |
20110245639 | PHYSIOLOGICAL PARAMETER STATISTICAL PROCESSING AND DISPLAY - A patient monitoring system has a processor and a spectrophotometric sensor. The sensor is configured to be affixed to a patient to communicate signals associated with real time spectrophotometric measurements to the processor. The system further includes memory for storing data and computer instructions. The processor is configured to execute instructions stored in the memory to calculate a trend statistic based on a group of the signals received from the sensor. The processor is further configured to execute instructions stored in the memory to cause real time information associated with the spectrophotometric measurements and information associated with the trend statistic to be displayed on a visual user interface. | 10-06-2011 |
20130204141 | PHYSIOLOGICAL SENSOR - A sensor used to measure physiological characteristics of body tissues is provided. The physiological sensor includes a first light source assembly having a first light source in parallel with a second light source. Each of the first light source and the second light source have an anode and a cathode. A second light source assembly includes a third light source in parallel with a fourth light source. Each of the third light source and the fourth light source have an anode and a cathode. The anode of the first light source is electrically connected to the cathode of the second light source, the anode of said third light source, and the cathode of said fourth light source. The anode of the third light source is electrically connected to the cathode of the fourth light source. | 08-08-2013 |
20130253292 | OPTICAL-BASED PHYSIOLOGICAL SENSOR ASSEMBLY WITH DISPOSABLE BARRIER LAYER - A physiological sensor assembly includes a physiological sensor having at least one light source and at least one optical receiver. A substantially transparent barrier layer is disposed between the physiological sensor and the patient's skin such that the barrier layer is removably adhered to the physiological sensor and removably adhered to the patient's skin. | 09-26-2013 |
20130324818 | NON-INTERFERING PHYSIOLOGICAL SENSOR SYSTEM - A system includes a light source, a photodetector in optical communication with the light source, and a processor in communication with said photodetector and configured to output a signal representing oxygen saturation independent of an interfering signal from an interfering source. The system may further include an analog-to-digital converter in communication with the processor that is configured to digitize a signal from the photodetector by oversampling and output oversampling data to the processor. The processor may include an averaging filter that averages the oversampling data received from said analog-to-digital converter prior to decimation to generate an oversampling number. | 12-05-2013 |
20140128698 | SYSTEM AND METHOD OF RESOLVING OUTLIERS IN NIRS CEREBRAL OXIMETRY - A system and method for non-invasively estimating the tissue blood oxygen saturation level of a human subject, including so-called “outliers”, whose physiological make-up causes previously-known techniques to generate invalid tissue blood oxygen saturation estimations. The system includes a computing device and a sensor. The sensor includes a light source configured to emit light of at least four different wavelengths, one at a time. The sensor also includes two light detectors, each positioned a different distances from the light source. Optical density measurements are taken by the light detectors and provided to the computing device. A first tissue blood oxygen saturation value is computed using the optical density measurements associated with three of the four wavelengths, and a second tissue blood oxygen saturation value is computed using the optical density measurements associated with four of the wavelengths. The first and second tissue blood oxygen saturation values are compared, and the human subject is identified as an “outlier” based upon that comparison. | 05-08-2014 |
20140323833 | System and Method for Differentiating Between Tissue-Specific and Systemic Causes of Changes in Oxygen Saturation in Tissue and Organs - A method for monitoring oxygen saturation that includes the following steps: (i) measuring an oxygen saturation of a target area of a person or animal over time; (ii) measuring an oxygen saturation of a reference area of the person or animal over time; and (iii) classifying the oxygen saturation status of the target area based upon a comparison of the oxygen saturation of the target area relative to the oxygen saturation of the reference area over time. | 10-30-2014 |