What is another word for optical crown?
Pronunciation: [ˈɒptɪkə͡l kɹˈa͡ʊn] (IPA) 
An optical crown, commonly referred to as a lens, is an important component in any eyewear. While the term "optical crown" is commonly used, there are several synonyms that can also be used to refer to this component. Some synonyms include "eyeglass lens", "spectacle lens", and "ocular lens". Other commonly used terms for an optical crown include "vision aid," "corrective lens," and "prescription lens." No matter what term is used to refer to this element, the optical crown remains a key component in the development of eyewear that helps people see more clearly.
