orthoscope

/awr-thuh-skohp/US // ˈɔr θəˌskoʊp //UK // (ˈɔːθəʊˌskəʊp) //

正视镜,直视镜,正视仪,正视眼镜

Definitions

n.名词 noun

1
Ophthalmology.
- : an instrument for examining the internal structures of the eye through a layer of water that neutralizes the refraction of the cornea.