yàn​guāng

to examine the eyes

验光 驗光 yàn//guāng
to examine the eyes
to examine the eyes to determine the refractive power of the lens, typically for prescribing corrective lenses
optometry
the profession or practice of examining the eyes for visual defects and prescribing corrective lenses

Frequency

Movie subtitles
0.450 per million appears in 0% of films
Written text
0.966 per million

Sources