Design and Research of Handheld Automatic Refractor

Changfu Zhao; Hongchang Ding; Guohua Cao; Han Hou

doi:10.1051/e3sconf/202125202006

All issues

Volume 252 (2021)

E3S Web Conf., 252 (2021) 02006

References

Open Access

Issue		E3S Web Conf. Volume 252, 2021 2021 International Conference on Power Grid System and Green Energy (PGSGE 2021)


Article Number		02006
Number of page(s)		4
Section		Research and Development of Electrical Equipment and Energy Nuclear Power Devices
DOI		https://doi.org/10.1051/e3sconf/202125202006
Published online		23 April 2021

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[1] Howland, H. C., Howland B. (1974) Photorefraction: A technique for study of refractive state at a distance. Journal of the Optical Society of America. 2, 64: 240–249. [Google Scholar]

[2] Kaakinen, K. (1979) Simple method for screening of children with strabismus, anisometropia or ametropia by simultaneous photography of the corneal and the fund us refleses. Acta Ophthalmologica, 57: 161–171. [Google Scholar]

[3] Shi, W. Y., Sui, C. H., Wang, H. L. (2011) Design and research of the focusing optical system for the auto refractometer. Optical Instruments, 57: 161–171. [Google Scholar]

[4] Seidemann, A., Schaeffel, F., Guirao. A., et al. (2002) Peripheral refractive errors in myopic, emmetropic, and hyperopic young subjects. Journal of the Optical Society of America, 19: 2363–2373. [Google Scholar]

[5] Li, X., Chen, J., Xu, L. (2000) Image sensor for testing refractive error of eyes. In: International Conference on Sensors and Control Techniques (ICSC2000). Shanghai. 230–233. [Google Scholar]

[6] Schaeffel, F., Farkas, L., Howland, H. C. (1987) Infrared photoretinoscope. Applied Optics, 8, 26: 1505–1509. [Google Scholar]

[7] Zhang, T., Zou, L. E., Chen, J. B., et al. (2002) Design and research of digital photorefraction device. Optical Instruments, 6, 24: 42–46. [Google Scholar]

[8] Wei, X. Y. (2002) Automatic detection system of elliptical aperture based on digital image processing. Nanjing Normal University. [Google Scholar]

[9] Li, J. M. (2019) Design and research of eccentric photographic vision screening Instrument. Changchun University of Science and Technology. [Google Scholar]