1. 视力的；视觉的；光的；光学的
Optical devices, processes, and effects involve or relate to vision, light, or images.
1. of or relating to or involving light or optics
e.g. optical supplies
2. relating to or using sight
e.g. ocular inspection
an optical illusion
visual powers
visual navigation
3. of or relating to or resembling the eye
e.g. ocular muscles
an ocular organ
ocular diseases
the optic (or optical) axis of the eye
an ocular spot is a pigmented organ or part believed to be sensitive to light