Practical application of laser optometer for dark focus
- VernacularTitle:暗焦点检查仪的实际应用
- Author:
Rong ZHAO
;
Jialong WU
;
Haixia RU
- Publication Type:Journal Article
- Keywords:
dark focus;
accommodation;
myopia
- From:
Chinese Medical Equipment Journal
1989;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To introduce the structure and operating principle of a laser optometer for dark focus(DF). Methods Infrared and vernier means were used in the examination of dark focus. The stability, relationship between dark focus and refractive error were studied. Results The laser optometer was proved to be a reliable instrument with fine stability and good repeatability. Conclusion The laser optometer for dark focus can be used for further study relating to the aviation vision.
