by Meera Senthilingam德孟 译

Techtalk 最新科技

望远隐形眼镜 —— 失明患者的福音

by Meera Senthilingam德孟 译

不知从什么时候起，隐形眼镜悄悄地从一种视力矫正仪器变为一种流行风尚。隐形眼镜不仅帮助视力有障碍者摆脱厚重框架眼镜压迫带来的疲劳和对美观的影响，多彩的美容隐形眼镜还成为了年轻人时尚的选择。最近，科学家在研发一种置入望远镜镜片的智能隐形眼镜。这种隐形眼镜能让佩戴者的眼睛变成“千里眼”吗？佩戴起来舒适吗？未来的隐形眼镜会有怎样的发展？一起来看看。?

1) embed [em'bed] v. 嵌入，埋置

2) miniscule ['mɪnɪ,skjʊl] adj. 极小的，细微的

3) incorporate [ɪn'kɔːpəreɪt] v. 合并，并入

4) flter ['fɪltə(r)] n.滤光器，滤色镜

5) macular ['mækjʊlə] adj. 有斑点的，有污点的

6) degeneration [dɪdʒenə'reɪʃ(ə)n] n. 退化，恶化

7) retina ['retɪnə] n. 视网膜

8) magnifcation [mægnɪfɪ'keɪʃ(ə)n] n. 扩大，放大

9) EPFL abbr. 瑞士洛桑联邦理工学院（École Polytechnique Fédérale de Lausanne）

10) optical ['ɒptɪk(ə)l] adj. 视力的，光学的11) invasive [ɪn'veɪsɪv] adj. 入侵的，扩散的12) polarization [,pəʊləraɪ'zeɪʃən] n.偏振（现象）

13) peripheral vision外围视野

14) zoom in （镜头）移近目标，放大

15) scleral ['sklɪərəl] n. 巩膜的

16) diameter [daɪ'æmɪtə(r)] n. 直径

Lights, mirrors, action! Scientists are developing smart contact lenses1)embedded with2)miniscule mirrors that can magnify your vision by almost three times.

The 1.55mm-thick lenses3)incorporate a thin reflective telescope made of mirrors and4)filters; when light enters the eye it bounces off the series of mirrors and increases the perceived view of an object or person. It is hoped that the lens will improve the sight of people with age-related5)macular6)degeneration (AMD)—the third leading cause of blindness globally.

AMD causes the loss of central vision due to gradual damage to the eye’s7)retina and there are few options for cure or treatment. “AMD is the biggest problem where8)magnifcation is a proven visual aid,” says Eric Tremblay, research scientist at9)EPFL in Switzerland.

Making the Switch

A key innovation with the lenses is the added ability to switch between magnified and regular vision through a complementary pair of glasses. The battery-powered glasses use LCD technology to watch the movement of the eye and a simple wink can alter their12)polarization and determine whether light entering is magnified or not.“Having the ability to switch on demand is attractive,” says Tremblay.

The ability to selectively magnify your vision makes the design of the glass-lens combination more suitable for daily life. “When magnifed you lose a lot of your feld of view, your13)peripheral vision,” says Tremblay. A strategic wink will enable users to keep an eye on their periphery, such as cars approaching them as they cross a street, whilst also being able to14)zoom in and recognize the faces of those around them.

The team developed their technology on15)scleral lenses, which have an increased thickness and16)diameter, making them commonly used for more special purpose eye care. “They provide a lot more area to work with,”says Tremblay. The challenge these lenses bring with them, however, is comfort, as they 17)impede the amount of oxygen reaching the eye.

光线，镜片，行动！科学家目前正在研发一种置入细微镜片的智能隐形眼镜，它能把视觉成像放大将近三倍。

这1.55毫米厚的镜片包含了由镜面和滤光镜组合而成的一片薄薄的反射望远镜；当光线进入眼睛，这几层镜片会对其作出折射，增强眼睛对物体或人的感知。老年性黄斑变性是导致失明的全球第三大祸根，而这种隐形眼镜有望改善该病患者的视力。

老年性黄斑变性会逐步损害视网膜，进而导致中心视力丧失，而现有的药物和治疗方案屈指可数。“老年性黄斑变性是最大的难题，已知的视觉辅助解决手段就是放大（视觉成像）。”瑞士洛桑联邦理工学院的科学家埃里克·特莱姆布雷说道。……