presbyopia
英 [ˌprezbiˈəʊpiə]
美 [ˌprezbiˈoʊpiə]
n. 老视; 老花眼; 老光
COCA.42109
牛津词典
noun
- 老视；老花眼；老光
the condition, that is usually found in older people, when sb is not able to see clearly objects that are close
英英释义
noun
- a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45
双语例句
- These might include dry eyes and presbyopia, or an inability to focus on objects that are close up, and can leave people feeling fatigued and headachy by the end of the workday.
这些毛病包括干眼病和老花眼，后者的症状是近距离视物困难，可能会让人在一天工作结束时感到疲劳和头痛。 - The Health Department also warns people to be careful since it hasn't approved Lasik surgery for patients with presbyopia.
不过卫生署表示，老花雷射仪器还没核准，民众不要轻易尝试。 - I find you have a presbyopia and ametropia.
根据检查，我发现您得的是老视眼，并有屈光不正。 - This article is a review of the presbyopia corrections related to cornea, lens and sclera in recent years.
本文就近年来国内外报道的有关角膜、晶状体及巩膜等的老视矫正术作一综述。 - Current methods such as single-focus glasses, bifocal glasses and progressive additional lens are the most widely used for correction of presbyopia.
现阶段老视矫正的主流方式是配戴单焦框架眼镜、双焦框架眼镜和渐变多焦点眼镜。 - The Ache: In presbyopia, the eye's lens loses elasticity with age. The ability to focus on near objects deteriorates, resulting in the need for reading glasses.
病痛：老花眼的成因是，眼睛的晶状体随年龄增长而失去弹性，聚焦近处物体的能力减弱，因此需要佩戴老花镜。 - Ocular accommodation apparatus and presbyopia
眼调节装置与老视的研究 - Glasses could correct the majority of vision problems encountered in the developing world, reducing the impact of presbyopia, myopia, hyperopia, and astigmatism.
对发展中国家而言，眼镜能矫正多数视觉障碍，减少老花眼、近视、远视与散光的冲击。 - Advances on Surgeries to Correct Presbyopia
手术治疗老视的研究进展 - Progressive addition lenses ( PAL) is a new kind of effective solution to presbyopia, it has many advantages over other lenses dealing with presbyopia. Investigation of its design and evaluation method is shown in this dissertation.
渐变镜片（英文progressiveadditionlenses简称PAL）是针对老视症状的一种有效的解决手段，与各类传统老视镜片相比较具有许多优点，本文对这种镜片的设计和评价进行研究。