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Adjustable-focus eyeglasses

eyeflasses with manually adjustable focal length

Pronunciation

/əˈʤʌstəbl - ˈfəʊkəs ˈʌɪɡlɑːsɪz/

/əˈʤəstəbəl - ˈfoʊkəs ˈaɪˌglæsəz/

Categories

eyeglasses