of, relating to, or used in visionthe optic nerve
the optic nerve
ocular, optical, visual
seeing, sightedfocusing(also focussing)
nonvisual
in the 15th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。