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- W2022831602 abstract "Traditional commercial instruments utilized in vision screening programs cannot satisfy the request for real-time diopter measurement by far, and their success is limited by some defectiveness such as computer-attached, clumsy volume, and low accuracy of parameters measured, etc. In addition, astigmatic eyes cannot be determined in many devices. This paper proposes a new design of diopter measurement system based on SAMSUNG's ARM9 circuit block. There are several contributions in the design. The new developed system has not only the function of automatically measuring diopter, but also the advantages of the low cost, and especially the simplicity and portability. Besides, by placing point sources in three directions, the instrument can determine astigmatic eyes at the same time. Most of the details are introduced as the integrated design of measuring system, interface circuit of embedded system and so on. Through a preliminary experiment, it is proved that the system keeps good feasibility and validity. The maximum deviation of measurement result is 0.344D.The experimental results also demonstrate the system can provide the service needed for real-time applications. The instrument present here is expected to be widely applied in many fields such as the clinic and home healthcare." @default.
- W2022831602 created "2016-06-24" @default.
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- W2022831602 date "2009-07-03" @default.
- W2022831602 modified "2023-09-26" @default.
- W2022831602 title "Novel system for automatic measuring diopter based on ARM circuit block" @default.
- W2022831602 doi "https://doi.org/10.1117/12.836003" @default.
- W2022831602 hasPublicationYear "2009" @default.
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