The lens center is clear, so nothing blocks your view.
隐形眼镜的中心很清晰，因此你的视线不会受阻。
Nearsightedness associated with cataracts in the center of the lens is often classified with the pseudomyopias, but it is actually a permanent change in the way light focuses in the eye.
与发生于晶状体中心白内障相关联的近视被归于假性近视一类，但它确实且永久地改变了光线在眼内聚焦的方式。
The final tooth-lens product was removed from Thornton's shoulder and placed in the center of the eye, in line with the retina.
最后的牙齿和晶状体将从桑顿的肩膀移出 再移入眼睛的中心放置，并与视网膜线保持一致。
Spherical Aberration — causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜(或从镜面上发射)的光线不能聚焦在轴上的同一点。
The distortion center must be solved in order to correct the image distortion resulting from the lens in computer vision system.
为了校正计算机视觉系统中由透镜引起的图像畸变，必须求解出图像的畸变中心。
Spherical Aberration -- causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜（或从镜面上发射）的光线不能聚焦在轴上的同一点。
Right. Put another way, the entire contact lens is the optical center. So no matter which way you move your eyes, objects appear in perfect focus.
对，换句话说，整个镜头就是视觉中心。所以不管你眼睛怎么动，焦点就会完全对准物体。
More specifically the camera should be rotated around the ' no parallax point' (the optical center of the camera/lens).
更具体的相机应该围绕“没有视差点（光学中心的相机/镜头）。
We discuss the sources of the measurement uncertainties of standard equipment for spectacle lens (lens) center transmittance and analyze each components of uncertainty.
重点讨论了眼镜片(透镜)中心透射比标准测量装置测量不确定度的来源，详细分析各不确定度分量的评定。
Once unleashed, the power channels through a positively charged continuous energy lens at the center of the handle.
一旦被释放，能量会通过剑柄中部带正电荷的能量透镜。
When zoom lens are used for military sighting, the drift of optical center caused by the change of focus length will reduce the sighting accuracy severely.
长焦变焦镜头用于军事瞄准时，变焦过程中较大的光中心漂移，降低瞄准精度。
In neutral position, the centerline of the lens intersects the center of the projected image.
在中性位置，透镜的中心线相交计划的图像的中心。
Keep coming. Yeah, right into the lens. I'm in the center of the camera.
继续向前，是的，对着镜头。我就在摄影机中间。
The same applies to the sharpness in general (including the image center) at the lens' tele setting.
同样的锐度下降问题也出现在镜头的长焦段（包括中央的锐度也下降得厉害）。
A convex lens is thicker at its center than its periphery. It causes rays to converge.
凸透镜中心部分比周围要厚，它使光线会聚。
The portable anti-aircraft missile field training system consists of center control computer, signal commutator, collimated training missile and anti-air commanding lens.
便携式地空导弹野外训练系统模型由中央控制计算机、信号转接器、瞄准训练弹和对空指挥镜组成。
The lensometers is also called measural lens dioptre instrument, to measure spherical lens dioptre, cylindric lens dioptre and axis, prism dioptre, and lens optical center etc.
顶焦度计又称对光机、查片机，可用来测量球光镜镜度、散光镜镜度、棱镜镜度以及散光轴线和光学中心点等，是眼镜片冷加工中必不可少的检测仪器。
With regard to image center, pixels′ distribution on image plane is still symmetrical even under the influence of lens distortion.
其中直接光学方法根据因镜头畸变造成的像素点在像面水平和垂直两个方向上分布的对称性得到图像中心；
It is shown that by changing the focal length of focal lens and the distance between the axicon and the lens, the center of dark of the bottle beams can be altered effectively.
这些结果表明，改变聚焦透镜的焦距和聚焦透镜到轴棱锥间的距离以及光阑半径，可有效地改变局域空心光束的暗中空区域。
Due to weight and center of gravity concerns, the 0.125x telecentric lens requires a mounting clamp and 0.08x telecentric lens includes mounting clamp (removable).
考虑到远心镜头重量和质心因素，0.125X远心镜头需要支撑架，而0.08 X的远心镜头已经包括了支撑架(可移除)。
Due to weight and center of gravity concerns, the 0.125x telecentric lens requires a mounting clamp and 0.08x telecentric lens includes mounting clamp (removable).
考虑到远心镜头重量和质心因素，0.125X远心镜头需要支撑架，而0.08 X的远心镜头已经包括了支撑架(可移除)。
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