Hyperopia diopter measurement system and method

Abstract

The invention relates to a hyperopia diopter measurement system. A camera is used for obtaining a working position facial image of a consumer and obtaining a near-point facial image of the consumer; an image processing computing module is used for calculating the image diameter of an iris in the working position facial image and the image diameter of an iris in the near-point facial image, calculating the sight distance of the working position of one eye and the sight distance of the near point of one eye according to the two image diameters, calculating a working position diopter and a near-point diopter according to the two sight distances and finally calculating a hyperopia diopter according to the two diopters. Accordingly, the hyperopia diopter can be obtained by being measured by a user and measured by an eyeglasses store, the influence of subjective factors of consumers trying on inserts in the traditional dispensing process is avoided, the process of making glasses is simplified, and each consumer can clearly master the change of degrees and conduct eye care under the suggestions provided by software in the aspects such as diet and life.

Description

[0001] Statement of priority [0002] The technical solution of claim 1 of the present invention requires the content in the specific implementation plan of the description of the invention patent application with the application number 2017102925091 submitted to the Patent Office of the State Intellectual Property Office of China on April 28, 2017; [0003] The technical solution of claim 2 of the present invention claims the priority of the technical solution of claim 1 of the invention patent application with application number 2017102925091 submitted to the Patent Office of the State Intellectual Property Office of China on April 28, 2017. technical field [0004] The invention belongs to the technical field of hyperopia diopter detection, in particular to a measurement system and method for hyperopia diopter. Background technique [0005] Hyperopia is due to the short eye axis. When the adjustment state is not used, the parallel light beams are refracted by the eyeball ...

AI Technical Summary

Problems solved by technology

[0006] The simplest and most practical way to correct hyperopia is to wear glasses, and the most important thing in the preparation process is optometry. The commonly used equipment is optometry, which occupies a very important position in clinical work. And other technical means to check the focus of light after it enters the eyeball has the advantages of fast measurement speed and convenient use. However, in actual use, it is found that there are still some problems with the refractor: 1. The refractor is a special hardware, and it is necessary to hire a professional optometrist. , by operating step by step during the measurement to complete the measurement of diopter, it is difficult for ordinary users to purchase expensive refractometers, and they cannot obtain professional training on refraction operations; 2. The accuracy of refractors is affected by many factors , For example: poor coordination of the head and eyes of consumers, lack of concentration of gaze, and excessive nervousness of consumers will cause large errors, so it is inappropriate to use the optometry as the only basis for glasses preparation; 3. The optometry can only measure The general situation of the diopter provides a reference for understanding the degree of refraction of the consumer. The optometrist still needs to try on the insert according to the subjective feeling of the consumer to determine the appropriate degree.

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