期刊
SCIENCE ADVANCES
卷 5, 期 6, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aav6187
关键词
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资金
- National Science Foundation (NSF) Graduate Research Fellowship Program
- NVIDIA Graduate Fellowship
- Okawa Research Grant
- Sloan Fellowship
- NSF [1553333, 1839974]
- Intel
- Div Of Information & Intelligent Systems
- Direct For Computer & Info Scie & Enginr [1553333] Funding Source: National Science Foundation
As humans age, they gradually lose the ability to accommodate, or refocus, to near distances because of the stiffening of the crystalline lens. This condition, known as presbyopia, affects nearly 20% of people worldwide. We design and build a new presbyopia correction, autofocals, to externally mimic the natural accommodation response, combining eye tracker and depth sensor data to automatically drive focus-tunable lenses. We evaluated 19 users on visual acuity, contrast sensitivity, and a refocusing task. Autofocals exhibit better visual acuity when compared to monovision and progressive lenses while maintaining similar contrast sensitivity. On the refocusing task, autofocals are faster and, compared to progressives, also significantly more accurate. In a separate study, a majority of 23 of 37 users ranked autofocals as the best correction in terms of ease of refocusing. Our work demonstrates the superiority of autofocals over current forms of presbyopia correction and could affect the lives of millions.
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