presbyopia

英 [ˌprezbiˈəʊpiə]

美 [ˌprezbiˈoʊpiə]

n.  老视; 老花眼; 老光

医学

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
  Synonym:farsightedness

双语例句

• 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。
• MEDICAL SCIENCE · AIM: To study the scientific and canonical way of medical optometry for the presbyopia.
  目的：探讨老视患者科学规范的验光方法。
• 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。
• Their eyes had suffered from presbyopia from long, but they could still see the flowers on the tomb that were arranged in a ring in order, though not many.
  他们的眼睛都已老花多年了，但望这红白的花，却还能明白看见。花也不很多，圆圆的排成一个圈，不很精神，倒也整齐。
• The surgery can be used to correct different types of visions defects like nearsightedness, farsightedness, presbyopia and astigmatism among others.
  手术可用于不同类型的正确的看法缺陷像近视，远视，老花眼和散光等。
• Anterior ciliary sclerotomy for treating presbyopia and hyperopia;
  前睫状巩膜切开矫治老视和远视；
• Initial study of presbyopia treatment with LASIK
  LASIK治疗老视眼初步临床研究
• 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。
• South Korean ophthalmologists say that using smart phones and tablet PCs at close range will reduce the number of times the eye blinks, and the lower number of blinks will result in presbyopia.
  南韩眼科医师表示，近距离使用智慧型手机、平板电脑会降低眨眼的次数，而眨眼次数过低便会导致老花眼的产生。
• Prevent and relieve ametropia such as myopia, hyperopia, amblyopia, and presbyopia;
  预防和缓解近视、远视、弱视、老花等屈光不正；