他思维活跃，总是寻找发明一种方法，以减少盲人对有正常视力的人的依赖。
His mind was active, and he was always seeking to invent a way for blind people to become less dependent on people with sight.
病人们都没有恢复正常视力，但他们都反映说，有一定的改善。
While normal sight wasn't restored in any of the patients, all reported some improvement.
结论部分中心视力正常、眼底有玻璃膜疣的可疑早期AMD，视功能已发生改变。
Conclusion visual function of some suspected early AMD patients with drusen may be damaged, though the central visual acuity appears normal.
“我想我应该考虑哪些是一个正常的患者群体，平均代表有经验的大多数人。”布鲁克林验光师贾斯汀·巴赞说道，他是视力协会的付费顾问。
"I see what I would consider a normal patient population, representative of the average experience most people are having," Brooklyn optometrist Justin Bazan, a paid consultant to the Vision Council.
生活在溪流或河流中的鱼有双眼，视力正常。
Fish that live in creeks or rivers have two eyes and see just fine.
生活在溪流或河流中的鱼有双眼，视力正常。
Fish that live in creeks or rivers have two eyes and see just fine.
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