noun
: a thin lens of glass or plastic designed to fit over the cornea for the correction of refractive errors ; also : a similar lens or a prism employed by the ophthalmologist in eye examinations with a gonioscope
noun
: a thin lens of glass or plastic designed to fit over the cornea for the correction of refractive errors ; also : a similar lens or a prism employed by the ophthalmologist in eye examinations with a gonioscope
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012