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The Effect of FV-9 and Wardove Laser Eye Protection on Night Vision Goggle-Aided Visual Acuity

机译:FV-9和Wardove激光护眼对夜视镜辅助视力的影响

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摘要

The combined use of hand-held laser pointers and night vision goggles (NVGs) is prevalent in nighttime tactical flight operations. Laser eye protection (LEP) is required during these missiosn to protect the eye from exposure to laser energy. The effects of the fielded FV-9 LEP visor and two prototype Wardove LEp spectacles on NVG-aided visual acuity (VA) were examined in two experiments. In each experiment NVG-aided VA, with and without LEP, was measured under two illumination and two contrast conditions with the 4949C and 4949P model NVGs. The resutls revealed a small egradation in NVG-aided VA with the FV-9 LEp forboth NVG models at all conditions, with larger decrements being observed at strlight illumination. Neither Wardove spectacle had any effect on NVG-aided VA at the illumination and contrast conditions examined.
机译:夜间战术飞行操作中普遍使用手持激光指示器和夜视镜(NVG)。在这些误诊期间需要激光眼罩(LEP),以保护眼睛免于暴露于激光能量中。在两个实验中检查了野外FV-9 LEP遮阳板和两个原型Wardove LEp眼镜对NVG辅助视力(VA)的影响。在每个实验中,使用4949C和4949P型号NVG在两个照明和两个对比度条件下,测量带有和不带有LEP的NVG辅助VA。结果表明,在所有条件下,使用NVG模型的FV-9 LEp在NVG辅助的VA上都有很小的变化,在弱光照射下观察到较大的衰减。在检查的光照和对比度条件下,Wardove眼镜均不会对NVG辅助的VA产生任何影响。

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