Definition of eyeglass

eyeglassnoun

kính mắt

/ˈaɪɡlɑːs//ˈaɪɡlæs/

The word "eyeglass" originated in the 14th century from the Old English words "ege" meaning "eye" and "glas" meaning "glass". Initially, it referred to a glass lens used for correcting vision. Over time, the term evolved to encompass the entire instrument, including the frames and lenses. The term "eyeglass" became widely used in the 18th century, when spectacles with two converging lenses became popular. Prior to that, wearing a single lens over one eye for nearsightedness was common. Today, the word "eyeglass" remains a widely recognized term for any type of corrective lens or frames worn on the face to correct visual impairments.

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a lens for one eye used to help you see more clearly with that eye

một thấu kính cho một mắt được sử dụng để giúp bạn nhìn rõ hơn bằng mắt đó

Example:
  • a jeweller’s eyeglass

    kính mắt của thợ kim hoàn

two lenses in a frame that rests on the nose and ears. People wear glasses in order to be able to see better or to protect their eyes from bright light.

hai thấu kính trong một khung nằm trên mũi và tai. Mọi người đeo kính để có thể nhìn rõ hơn hoặc để bảo vệ mắt khỏi ánh sáng mạnh.

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