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飞行人员应具有正常的眼肌功能,保证眼球的随意运动,保持双眼单视(两个眼球注视同一物体时,在眼底各自成像,并通过视神经传导到视觉中枢,最终使这两个像融合成一个,这就是双眼单视。),以便进行空中搜索,追踪目标和判断距离。若某一眼肌力量有轻微的减弱或增强,指挥两眼共同动作的中枢神经管制失去效用,就会在注视目标时,一眼的视线偏斜于目标一边,即形成了斜视。因此,保持眼肌的正常功能,进行斜视检查是选拔飞行学员和对飞行人员的必查项目之一。
The pilots should have normal eye muscle function, to ensure the eye’s free movement, to maintain binocular vision (the two eyeballs look at the same object, respectively, in the fundus of each imaging, and through the optic nerve conduction to the visual center, the final fusion of these two images into One, this is binocular.), In order to carry on the aerial search, the target and the judgment distance. If a slight weakness or enhancement of ocular muscle strength, commanding the common action of both eyes of central nervous system loss of control, you will be looking at the target, a line of sight skewed at the target side, that is, the formation of strabismus. Therefore, to maintain the normal function of the eye muscle, strabismus inspection is the selection of flight students and pilots will be one of the items to be checked.