为老年人提供优质视觉服务
一般来说,人到了40岁以上,就得考虑买副眼镜了。而此时的不错的选择,正是渐进多焦点镜片。
你会突然发现无法穿针,或者不得不把报纸拿远点才能看清楚。这些都意味着你已经开始“老花”。这是正常的生理现象,你也不用太过紧张。只要合理验配适合你的 渐进多焦点镜片 ,你就可以拥有正常的视力。
这种现象始于四十岁到五十岁之间,此时,晶状体和睫状肌弹性下降。眼睛 不能根据注视距离的变化而通过“调节”改变成像点。所谓“调节”,即指通过改变晶体的曲率而改变焦点位置。
调节力一旦减小,近视力就受到影响。视近物时,晶体若仍保持视远时稍平坦的曲率,则无法将近物准确聚焦在视网膜上,此时的光线被聚焦在视网膜后方,在视网膜上,则是一个模糊的光斑。
远视的人发生老花的年龄较早,远视眼远视力通常较好,视近时则会出现问题。因为,远视眼眼轴通常较短,不足以使入射光准确地聚焦在视网膜上。
40 岁以后的视力
而近视眼视近时通常可以不戴眼镜,但需要经常要摘下、戴上眼镜,搞得非常麻烦。因此,建议的方法是---无论你之前是近视、远视还是正视---都应验配一副适合你的眼镜。
正视眼的人开始老花时,通常只需在阅读时戴镜即可。然而随着年龄越来越大,眼睛也越来越差,中距离的视觉问题也开始需要眼镜矫正。
这些情况下,渐进多焦点镜片是不错的解决方案。它能针对不同的距离给你不同的屈光度数——没有明显的分界线,并且过渡平滑。
渐进多焦点镜片突出的优点是人眼能快速地在不同距离的物体间切换,并且都能在瞬间获得相对准确屈光度。
![](over40_wo_base.jpg)
![](over40_wo_base_light.jpg)
![](over40_wo_highlight1.png)
![](over40_wo_highlight2.png)
![](over40_wo_highlight3.png)
![](over40_wo_rays.png)
![](over40_with_base.jpg)
![](over40_with_base_light.jpg)
![](over40_with_highlight1.png)
![](over40_with_highlight2.png)
![](over40_with_highlight3.png)
![](over40_with_highlight4.png)
![](over40_with_rays.png)
40 岁后的职场视力矫正方案
如今,有专门针对在长期电脑前工作人群而设计的特殊眼镜。此类镜片对中距以及近距的物体提供较大的视野。并且专为人眼至屏幕这一距离提供极佳的光度。当然,渐进多焦点对镜片的质量要求是极高的,劣质镜片往往不能发挥渐进多焦点眼镜的真正作用。
![阅读眼镜 阅读眼镜]({"xsmall":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.100.75.36,0,1467,1073.file/afterforty1.jpg","small":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.360.270.36,0,1467,1073.file/afterforty1.jpg","medium":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.768.576.36,0,1467,1073.file/afterforty1.jpg","large":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.1024.768.36,0,1467,1073.file/afterforty1.jpg","xlarge":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.1280.960.36,0,1467,1073.file/afterforty1.jpg","xxlarge":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.1431.1073.36,0,1467,1073.file/afterforty1.jpg","max":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty1.jpg/_jcr_content/renditions/original.image_file.1431.1073.36,0,1467,1073.file/afterforty1.jpg"})
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![办公型镜片 — 近用型 办公型镜片 — 近用型]({"xsmall":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.100.75.73,0,424,263.file/afterforty3.jpg","small":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.351.263.73,0,424,263.file/afterforty3.jpg","medium":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.351.263.73,0,424,263.file/afterforty3.jpg","large":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.351.263.73,0,424,263.file/afterforty3.jpg","xlarge":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.351.263.73,0,424,263.file/afterforty3.jpg","xxlarge":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.351.263.73,0,424,263.file/afterforty3.jpg","max":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty3.jpg/_jcr_content/renditions/original.image_file.351.263.73,0,424,263.file/afterforty3.jpg"})
![办公型镜片 — 室内型 办公型镜片 — 室内型]({"xsmall":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.100.75.36,0,1467,1073.file/afterforty4.jpg","small":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.360.270.36,0,1467,1073.file/afterforty4.jpg","medium":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.768.576.36,0,1467,1073.file/afterforty4.jpg","large":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.1024.768.36,0,1467,1073.file/afterforty4.jpg","xlarge":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.1280.960.36,0,1467,1073.file/afterforty4.jpg","xxlarge":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.1431.1073.36,0,1467,1073.file/afterforty4.jpg","max":"https://www.zeiss.com.cn/content/dam/vis-b2c/reference-master/images/better-vision/driving-mobility/simply-see-better-with-progressive-lenses/afterforty4.jpg/_jcr_content/renditions/original.image_file.1431.1073.36,0,1467,1073.file/afterforty4.jpg"})
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什么是双光和三光镜片?
双光和三光镜片是渐进多焦点镜片的前身。对于不喜欢渐进多焦点眼镜或无法适应者,可以选择此类镜片,然而这是不得已而为之,此类镜片往往存在“像跳”的问题,且不能提供一个较大范围的清晰视觉。