optical center
简明释义
光中心
英英释义
The optical center is the point in a lens where light rays entering the lens parallel to its optical axis converge or appear to diverge. | 光学中心是透镜中光线沿其光轴平行进入时聚焦或看似发散的点。 |
例句
1.It's crucial for opticians to measure the optical center 光学中心 accurately to ensure proper lens placement.
验光师准确测量optical center 光学中心 是确保镜片正确放置的关键。
2.When fitting new glasses, it's important to ensure that the lenses are aligned with the optical center 光学中心 of your eyes.
在配新眼镜时,确保镜片与您眼睛的optical center 光学中心 对齐是很重要的。
3.During the eye exam, the doctor explained how the optical center 光学中心 affects vision clarity.
在眼科检查中,医生解释了optical center 光学中心 如何影响视力清晰度。
4.The technician adjusted the frames so that the optical center 光学中心 matched the patient's pupil distance.
技术人员调整了镜框,以便optical center 光学中心 与患者的瞳距相匹配。
5.If the optical center 光学中心 is off, it can cause eye strain and discomfort.
如果optical center 光学中心 偏离,可能会导致眼睛疲劳和不适。
作文
The concept of the optical center is crucial in the field of optics and vision correction. In simple terms, the optical center refers to a specific point within a lens where light rays converge. This point plays a significant role in determining how lenses are designed and manufactured for glasses, cameras, and other optical devices. When we wear glasses, for instance, it is essential that the optical center aligns with our pupils to ensure optimal vision. If the optical center is misaligned, it can lead to discomfort, distortion, or even headaches for the wearer.Understanding the optical center also involves recognizing its relationship with focal points and the overall geometry of lenses. Each lens has a unique shape and curvature, which affects how light passes through it. The optical center is typically located at the midpoint of the lens, but this can vary based on the design. For example, in bifocal or progressive lenses, the optical center might be positioned differently to accommodate various vision needs.In practical applications, the alignment of the optical center is vital for optometrists when prescribing corrective eyewear. They use precise measurements to ensure that the optical center of the lenses corresponds perfectly with the patient's visual axis. This attention to detail helps to enhance the effectiveness of the glasses and provides the wearer with the best possible clarity and comfort.Moreover, the optical center is not only important for glasses but also for cameras and other imaging devices. Photographers must consider the optical center when adjusting their equipment to capture images accurately. If the optical center is off-center, it can result in images that are out of focus or distorted, impacting the overall quality of the photograph.In conclusion, the optical center serves as a fundamental concept in optics that influences how we perceive the world through various lenses. Whether it is in the context of vision correction or photography, understanding the role of the optical center allows us to appreciate the intricacies of optical devices. By ensuring that the optical center is correctly aligned, we can enhance our visual experiences and achieve clearer, more accurate representations of our surroundings.
“光学中心”这一概念在光学和视力矫正领域中至关重要。简单来说,光学中心是指镜片内的一个特定点,在这个点上光线会聚。这一点在眼镜、相机和其他光学设备的设计和制造中起着重要作用。例如,当我们佩戴眼镜时,确保光学中心与我们的瞳孔对齐是非常重要的,以确保最佳视觉。如果光学中心未对齐,可能会导致佩戴者的不适、失真甚至头痛。理解光学中心还需要认识到它与焦点及镜片整体几何形状之间的关系。每个镜片都有独特的形状和曲率,这影响光线通过镜片的方式。光学中心通常位于镜片的中点,但这可能会根据设计而有所不同。例如,在双光或渐进镜片中,光学中心可能会被放置在不同的位置以适应不同的视力需求。在实际应用中,光学中心的对齐对于验光师开处方眼镜时至关重要。他们使用精确的测量来确保镜片的光学中心与患者的视觉轴完全对应。这种对细节的关注有助于增强眼镜的有效性,并为佩戴者提供最佳的清晰度和舒适感。此外,光学中心不仅对眼镜重要,对相机和其他成像设备也同样重要。摄影师在调整设备以准确捕捉图像时必须考虑光学中心。如果光学中心偏离中心,可能会导致图像模糊或失真,从而影响照片的整体质量。总之,光学中心作为光学中的基本概念,影响着我们通过各种镜片感知世界的方式。无论是在视力矫正还是摄影的背景下,理解光学中心的作用使我们能够欣赏光学设备的复杂性。通过确保光学中心正确对齐,我们可以增强视觉体验,实现对周围环境更清晰、更准确的表现。
相关单词