Development of multifunctional vision examination device
10.19745/j.1003-8868.2025082
- VernacularTitle:一种多功能视觉检测仪的研制
- Author:
Dong-chen YIN
1
;
Yan ZHANG
;
Yang WANG
;
Li-hua YU
;
Wei-ru SHI
;
Rong-jia ZHANG
Author Information
1. 空军军医大学空军特色医学中心,北京 100142
- Publication Type:Journal Article
- Keywords:
visual function;
visual function testing;
vision examination device;
cabin environment;
military training
- From:
Chinese Medical Equipment Journal
2025;46(5):21-26
- CountryChina
- Language:Chinese
-
Abstract:
Objective To develop a multifunctional vision examination device for confined cabin environments to meet the requirements for detecting and collecting visual function parameters in military training and scientific research.Methods A multifunctional vision examination device was designed with a segmented mode and composed of an exmaination terminal and a control terminal.The examination terminal was composed of a sealed box,a high-definition display,an isolation baffle and a rubber eye mask.The sealed box had a fully closed structure,and the space design in the box was carried out in the form of integrating sphere;the high-definition display had a floating structure not rigidly connected with the surrounding components,and adopted a non-standard screen as the main display;the edges of the isolation baffle were sealed,and a spring washer for mechanical positioning was placed between the baffle and the sealed box.The control terminal software was programmed with C language,and there were several funcational modules involved in the software part for basic information management,function testing and summary report.Results Trials in the low-pressure chamber showed the device developed could be used for testing near vision,stereoscopic vision,contrast sensitivity,rapid dark adaptation and dark vision under the simulated altitude of 5 000 m when the examinee wore an oxygen mask,with remote operation enabled during the testing.Conclusion The multifunctional vision examination device gains advantages in light weight,high portability and compatibility with confined cabin environments,and meets the requirements for visual function testing in military training and scientific research.[Chinese Medical Equipment Journal,2025,46(5):21-26]
