摘要优选的视网膜注视点( PRL)主要应用于黄斑受损的低视力患者视功能康复训练.近年来PRL训练成为低视力康复研究的热点,研究者利用患者中心视力损害后的残存低视力进行PRL训练,可以逐步改善患者的视功能,从而提高患者的生活质量.因此有必要就PRL的定义、定位、特点、训练方法及其临床意义进行综述.

abstractsPreferred retinal locus (PRL) is always found in the age-related macular degeneration and other macular damages in patients with low vision,and it is a very important anatomic position in patients with central vision impairment to achieve the rehabilitation.In recent years,the training of preferred retinal locus (PRL) has become a research hotspot of low vision rehabilitation,it can clearly improve functional vision and quality of life. The authors reviewed relevant literatures, and summarized the definition,position,characteristics,training and clinical implications of the PRL.