Venkataraman Abinaya Priya, Papadogiannis Petros, Romashchenko Dmitry, Winter Simon, Unsbo Peter, Lundström Linda
J Opt Soc Am A Opt Image Sci Vis. 2019 Apr 1;36(4):B52-B57. doi: 10.1364/JOSAA.36.000B52.
Correction and manipulation of peripheral refractive errors are indispensable for people with central vision loss and in optical interventions for myopia control. This study investigates further enhancements of peripheral vision by compensating for monochromatic higher-order aberrations (with an adaptive optics system) and chromatic aberrations (with a narrowband green filter, 550 nm) in the 20° nasal visual field. Both high-contrast detection cutoff and contrast sensitivity improved with optical correction. This improvement was most evident for gratings oriented perpendicular to the meridian due to asymmetric optical errors. When the natural monochromatic higher-order aberrations are large, resolution of 10% contrast oblique gratings can also be improved with correction of these errors. Though peripheral vision is mainly limited by refractive errors and neural factors, higher-order aberration correction beyond conventional refractive errors can still improve peripheral vision under certain circumstances.
对于中心视力丧失的患者以及近视控制的光学干预而言，周边屈光不正的矫正和处理必不可少。本研究通过在20°鼻侧视野中补偿单色高阶像差（使用自适应光学系统）和色差（使用550 nm窄带绿色滤光片）来进一步探究周边视觉的增强情况。光学矫正后，高对比度检测截止值和对比度敏感度均有所提高。由于不对称光学误差，这种改善在垂直于子午线方向的光栅上最为明显。当自然单色高阶像差较大时，矫正这些误差也可提高10%对比度斜向光栅的分辨率。虽然周边视觉主要受屈光不正和神经因素限制，但在某些情况下，超越传统屈光不正的高阶像差矫正仍可改善周边视觉。
