Presbyopia 老视 Wu Guangbo O.D School of Optometry and Ophthalmology at Wenzhou Medical College 验光学课程 视光学教研室20而
Presbyopia 老 视 Wu Guangbo O.D. School of Optometry and Ophthalmology at Wenzhou Medical College
“老视(presbyopia)” presby (old)...opia (vision) 验光学课程 视光学教研室2007
“老视 （presbyopia) ” presby (old)…opia (vision)
老视 。概述 一定义 调节与年龄 一症状与体征 验光 远矫正 近附加 试戴 。矫正方式 验光学课程 视光学教研室2007
老视 • 概述 – 定义 – 调节与年龄 – 症状与体征 • 验光 – 远矫正 – 近附加 – 试戴 • 矫正方式
Presbyopia 。Introduction Definition Accommodation and age Symptoms and signs Refraction Distance refraction Near refraction Trial frame Correction 验光学课程 视光学教研室20而
Presbyopia • Introduction – Definition – Accommodation and age – Symptoms and signs • Refraction – Distance refraction – Near refraction – Trial frame • Correction
什么是老视？ 。老视（视觉科学词典的解释）一随着年龄增长，眼调节能力 下降，以致在远用屈光矫正之外加正透镜才能看清近距离 物体 Presbyopia Normal Vision 验光学三 视光学教研室2007
什么是老视? • 老视 (视觉科学词典的解释)---随着年龄增长，眼调节能力 下降，以致在远用屈光矫正之外加正透镜才能看清近距离 物体
What is presbyopia? Presbyopia(by the Dictionary of Visual Science)---A eduction in accommodative ability occurring normally with age and necessitating a plus lens addition for satisfactory seeing at near. Presbyopia Normal Vision 骏光学三 视光学教研室207
What is presbyopia? • Presbyopia (by the Dictionary of Visual Science)---A reduction in accommodative ability occurring normally with age and necessitating a plus lens addition for satisfactory seeing at near
Young emmetropic eye Distance object Distance vision Near object 验光学课程 Near vision 视光学教研室20而
Young emmetropic eye Distance vision Near vision Near object Distance object
Emmetropia with presbyopia Distance object Distance vision Near object 验光学课程 Near vision 视光学教研室2007
Emmetropia with presbyopia Distance vision Near vision Near object Distance object
Emmetropia with presbyopia after correction Distance object Distance vision Near object 验光学课程 Near vision 视光学教研室20
Emmetropia with presbyopia after correction Distance vision Near vision Near object Distance object
accommodation Near piont The nearest point that he can see clearly with maximum accommodation that he can afford Far plont NPA The farest point that he can see with his accommodation at rest. Amplitude of Accommodation The power difference between near point(diopter)and far point (diopter) 验光学课程 视光学教研室20而
accommodation • Near piont – The nearest point that he can see clearly with maximum accommodation that he can afford. • Far piont – The farest point that he can see with his accommodation at rest. • Amplitude of Accommodation – The power difference between near point ( diopter) and far point (diopter). FPA NPA