Definition of single-vision in English:

single-vision

Line breaks: single-vision

adjective

  • Denoting glasses of which each lens is a single optical element; not bifocal.
    More example sentences
    • This option entails wearing a bifocal or multifocal contact lens in one eye and a single-vision lens in the other eye.
    • This International Standard specifies the minimum requirements for complete single-vision ready-to-wear near-vision spectacles.
    • A series of single-vision ophthalmic lenses for use in the correction of vision for myopia, hypermetropia, or astigmatism is described.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody