人工晶状体杂散光的体外评估方法。
Method for in vitro assessment of straylight from intraocular lenses.
作者信息
Łabuz Grzegorz, Vargas-Martín Fernando, van den Berg Thomas J T P, López-Gil Norberto
机构信息
Rotterdam Ophthalmic Institute, Rotterdam, The Netherlands ; Facultad de Óptica y Optometría, Universidad de Murcia, Murcia, Spain.
Facultad de Óptica y Optometría, Universidad de Murcia, Murcia, Spain.
出版信息
Biomed Opt Express. 2015 Oct 19;6(11):4457-64. doi: 10.1364/BOE.6.004457. eCollection 2015 Nov 1.
Abstract
Ocular straylight has been measured by means of psychophysical methods over the years. This approach gives a functional parameter yielding a straight comparison with optically defined light scattering, and the point-spread-function. This is of particular importance when the effect of intraocular lenses (IOLs) on postoperative straylight is sought. An optical system for straylight measurements of IOLs was adapted to a commercial device (C-Quant, Oculus), which employs such psychophysical method. The proposed modifications were validated using light-scattering filters and some sample IOLs. The measurements were performed by 3 observers to prove that results are independent from straylight of the eye. Other applications will be discussed.
摘要
多年来，一直通过心理物理学方法测量眼内杂散光。这种方法给出了一个功能参数，可与光学定义的光散射以及点扩散函数进行直接比较。在研究人工晶状体（IOL）对术后杂散光的影响时，这一点尤为重要。一种用于测量IOL杂散光的光学系统被适配到一种采用这种心理物理学方法的商业设备（C-Quant，奥culus公司）上。所提出的修改通过光散射滤光片和一些样本IOL进行了验证。测量由3名观察者进行，以证明结果与眼睛的杂散光无关。还将讨论其他应用。
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