Lensmeter and lens measurement program
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- NIDEK CO LTD
- Filing Date
- 2024-12-13
- Publication Date
- 2026-06-25
Smart Images

Figure 2026103943000001_ABST
Abstract
Claims
1. A lens meter for measuring eyeglass lenses set in eyeglass frames, A measuring optical system for measuring the optical properties of the aforementioned spectacle lens, A marking mechanism for applying markings to the lens surface of the aforementioned eyeglass lens, A display means for displaying a measurement screen that displays the measurement results of the optical properties of the eyeglass lens, and a scale screen that displays a scale for reading the positions of the markings applied to the left and right lenses of the eyeglass lens, An acquisition means for acquiring the optical characteristics of the left lens and the right lens, respectively, using the aforementioned measurement optical system, A detection means for detecting the application of the markings to the left lens and the right lens, respectively, by the marking mechanism, An induction control means that performs an induction process to cause the operator to measure the distance between the markings on the left lens and the right lens using the scale screen, based on the acquisition result of the acquisition means and the detection result of the detection means. A setting means for setting either a first mode in which the induction process is performed by the induction control means, or a second mode in which the induction process is not performed by the induction control means, A lens meter characterized by having the following features.
2. In the lens meter of claim 1, The guidance control means is characterized in that, as the guidance process, it outputs guide information prompting the operator to switch from the measurement screen to the scale screen.
3. In the lens meter of claim 1 or 2, The induction control means is characterized in that, as the induction process, it automatically transitions the measurement screen to the scale screen.
4. In a lens meter according to any one of claims 1 to 3, The measuring optical system projects a measurement light beam onto the spectacle lens and detects the measurement light beam that has passed through the spectacle lens and an indicator plate having a plurality of indicators with a detector, thereby measuring the optical properties of the spectacle lens. The detection means is a lens meter characterized in that it detects the application of a mark based on the change in an index image detected by the detector, which is an index image before a mark is applied using the marking mechanism and an index image after a mark is applied using the marking mechanism.
5. A lens meter for measuring eyeglass lenses set in eyeglass frames, A measuring optical system for measuring the optical properties of the aforementioned spectacle lens, A marking mechanism for applying markings to the lens surface of the aforementioned eyeglass lens, A display means for displaying a measurement screen that displays the measurement results of the optical properties of the eyeglass lens, and a scale screen that displays a scale for reading the positions of the markings applied to the left and right lenses of the eyeglass lens, An acquisition means for acquiring the optical characteristics of the left lens and the right lens, respectively, using the aforementioned measurement optical system, A detection means for detecting the application of the mark to the left lens and the right lens, respectively, using the marking mechanism, An induction control means that performs an induction process to cause the operator to measure the distance between the markings on the left lens and the right lens using the scale screen, based on the acquisition result of the acquisition means and the detection result of the detection means. Equipped with, The guidance control means is characterized in that, as the guidance process, it outputs guide information prompting the operator to switch from the measurement screen to the scale screen.
6. A measuring optical system for measuring the optical properties of eyeglass lenses set in eyeglass frames, A marking mechanism for applying markings to the lens surface of the aforementioned eyeglass lens, A display means for displaying a measurement screen that displays the measurement results of the optical properties of the eyeglass lens, and a scale screen that displays a scale for reading the positions of the markings applied to the left and right lenses of the eyeglass lens, It has, A lens measurement program used in a lens meter for measuring eyeglass lenses, The process is executed by the lens meter processor, An acquisition step in which the optical properties of the left lens and the right lens are acquired using the measurement optical system, A detection step for detecting the application of the markings to the left lens and the right lens by the marking mechanism, An induction control step is performed to execute an induction process that causes the operator to measure the distance between the markings on the left lens and the right lens using the scale screen, based on the acquisition result of the acquisition step and the detection result of the detection step. A setting step to set either a first mode in which the induction process according to the induction control step is performed, or a second mode in which the induction process according to the induction control step is not performed, A lens measurement program characterized by causing the lens meter to execute the above-mentioned procedure.
7. A measuring optical system for measuring the optical properties of the eyeglass lens set in an eyeglass frame, A marking mechanism for applying markings to the lens surface of the aforementioned eyeglass lens, A display means for displaying a measurement screen that displays the measurement results of the optical properties of the eyeglass lens, and a scale screen that displays a scale for reading the positions of the markings applied to the left and right lenses of the eyeglass lens, It has, A lens measurement program used in a lens meter for measuring eyeglass lenses, The process is executed by the lens meter processor, An acquisition step in which the optical properties of the left lens and the right lens are acquired using the measurement optical system, A detection step of detecting the application of the mark to the left lens and the right lens, respectively, using the marking mechanism, An induction control step is performed to execute an induction process that causes the operator to measure the distance between the markings on the left lens and the right lens using the scale screen, based on the acquisition result of the acquisition step and the detection result of the detection step. Execute, The guidance control step is a lens measurement program characterized in that, as the guidance process, it outputs guide information prompting the operator to switch from the measurement screen to the scale screen.