立体觉(Stereopsis,Depth Perception)又称深径觉,是指人们同时用双眼来判断周围物体间的距离、深浅、凹凸、高低的感觉。在立体觉半径(Stereoscopic radius约1320米)以内,当两眼同时注视一物体,左、右眼各自注视的角度,在水平方向略有不同,除注视点对应于双眼黄斑中心窝外,其余不在双眼单视园上各点,在左、右两眼网膜上的结 Stereopsis (Depth Perception), also known as deep sense, refers to the people at the same time with both eyes to determine the distance between objects, shades, bumps, high and low feeling. In the stereoscopic radius (Stereoscopic radius of about 1320 meters), when the two eyes at the same time watching an object, left and right eyes, respectively, the angle of attention, in the horizontal direction is slightly different, except for the fixation point corresponds to the macular foveal, the rest is not Binocular single vision on the park in the left and right eyes on the omentum knot