V2EX progressive lenses

Progressive Lenses

定义 Definition

Progressive lenses(渐进多焦点镜片/渐进镜片):一种眼镜镜片,上方用于看远、中间用于中距离、下方用于看近,度数在镜片内连续渐变,没有明显的分界线(区别于双光或三光镜片)。常用于矫正老花(远视性调节不足)并兼顾多距离视物。

发音 Pronunciation (IPA)

/prrsv lnzz/

例句 Examples

I’m getting progressive lenses because I need help seeing both far and near.
我准备配渐进镜片,因为我看远和看近都需要辅助。

After switching to progressive lenses, she noticed it took a few days to adjust to reading and walking comfortably.
换成渐进镜片后,她发现需要几天时间适应,才能在阅读和走路时都更舒服自然。

词源 Etymology

Progressive 来自拉丁语词根 *progress-*,表示“向前推进、逐步发展”,在这里指“度数逐步变化、渐进”。Lens 源于拉丁语 lens(“扁豆”),因为早期镜片的形状像扁豆;lenses 为复数形式。合起来强调这种镜片“度数连续渐变”的特点。

相关词 Related Words

文学作品 Literary Works

渐进多焦点镜片属于较现代的验光与镜片技术表达,常见于医学科普、视光学教材、广告与当代生活类写作中;在经典文学作品中以“progressive lenses”这一明确术语出现的频率相对较低。更常见的相关表达是 spectacles / glasses / lenses 等(例如在许多19世纪与20世纪小说中以“眼镜/镜片”作为人物形象或身份气质的细节描写)。

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