EYEGLASS LENS EVALUATION METHOD, EYEGLASS LENS DESIGN METHOD, EYEGLASS LENS MANUFACTURING METHOD, EYEGLASS LENS MANUFACTURING SYSTEM, AND EYEGLASS LENS
First Claim
1. An eyeglass lens design method,wherein when a positive relative convergence, a negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence, which are individual measurement values relating to binocular vision, are defined as relative measurement values, at least one of or both of the positive relative convergence and the negative relative convergence is included in an individual relative measurement value, and the method comprising:
- determining optical design values for eyeglass lenses by optimizing binocular vision while using, as an evaluation function for the optimizing, a function obtained by adding binocular visual acuity functions including the relative measurement values as factors at respective evaluation points of an object.
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Accused Products
Abstract
With respect to the evaluation of custom-made eyeglass lenses using a binocular visual acuity function, a measumrnet value including essentially at least one of or both of a positive relative convergence or a negative relative convergence of the positive relative convergence, the negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence is provided as a factor.
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Citations
12 Claims
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1. An eyeglass lens design method,
wherein when a positive relative convergence, a negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence, which are individual measurement values relating to binocular vision, are defined as relative measurement values, at least one of or both of the positive relative convergence and the negative relative convergence is included in an individual relative measurement value, and the method comprising: determining optical design values for eyeglass lenses by optimizing binocular vision while using, as an evaluation function for the optimizing, a function obtained by adding binocular visual acuity functions including the relative measurement values as factors at respective evaluation points of an object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An eyeglass lens evaluation method, comprising:
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when a positive relative convergence, a negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence, which are individual measurement values related to a binocular vision of a wearer of eyeglass, are defined as relative measurement values, measuring at least one of or both of the positive relative convergence and the negative relative convergence as the relative measurement value; and optimizing binocular vision while using, as an evaluation function for calculation of the optimizing, a function obtained by adding binocular visual acuity functions including the relative measurement values as factors at respective evaluation points.
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10. An eyeglass lens manufacturing method, comprising:
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when a positive relative convergence, a negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence, which are individual measurement values related to binocular vision of a wearer of eyeglass, are defined as relative measurement values, using at least one of or both of the positive relative convergence and the negative relative convergence as the relative measurement value; and optimizing the binocular vision while using, as an evaluation function for calculation of the optimizing, a function obtained by adding binocular visual acuity functions including the relative measurement values as factors at respective evaluation points. manufacturing eyeglass lenses based on optical design values obtained by the calculation for the optimizing.
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11. An eyeglass lens manufacturing system in which an ordering side computer having a function of executing a process for ordering the eyeglass and is installed on an eyeglass lens ordering side, a manufacturing side computer having a function of receiving information from the ordering side computer and executing a process necessary for receiving an order for the eyeglass lens are connected via a network,
wherein the ordering side computer transmits information necessary for designing the eyeglass lenses including at least one of or both of a positive relative convergence and a negative relative convergence, to the manufacturing side computer; -
wherein the manufacturing side computer includes; a data input unit to which data including the relative measurement value transmitted from the ordering side computer is inputted; a binocular visual acuity function calculation unit that calculates optical performance values at a plurality of evaluation points of the eyeglass lenses based on the inputted data; an evaluation value optimization unit that optimizes the optical performance values by using, as an evaluation function, a function obtained by adding binocular visual acuity functions including, as factors, the relative measurement values including at least one of or both of the positive relative convergence and the negative relative convergence; an evaluation function evaluating unit that evaluates the optical performance values by comparing the evaluation function with a predetermined threshold; a design data correction unit that corrects design data when the values of the binocular visual acuity functions do not reach a predetermined convergence condition as a result of the evaluation by the evaluation value evaluating unit; an optical design value determination unit that determines the design data based on a result of evaluation finished for each evaluation point by the evaluation function evaluating unit; and a design data output unit that supplies the final design data obtained by the optical design value determination unit, to a device for processing a lens.
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12. Eyeglass lenses manufactured by executing the steps of:
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when a positive relative convergence, a negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence, which are individual measurement values related to binocular vision of a wearer of eyeglass, are defined as relative measurement values, providing a relative measurement value including at least one of or both of the positive relative convergence and the negative relative convergence; and executing optimization while using an evaluation function obtained by adding binocular visual acuity functions including the relative measurement values as factors at respective evaluation points; and manufacturing the eyeglass lenses based on optical design values obtained by calculation of the optimizing.
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Specification