Bifocals

Pronunciation: /ˈbaɪˌfoʊkəlz/

Definitions of bifocals

noun eyeglasses with lenses that have two distinct optical powers for near and distant vision

Example Sentences

A1 My grandfather wears bifocals to help him see both near and far.

A2 She bought a new pair of bifocals so she can read and drive more easily.

B1 Bifocals are a common solution for people with both nearsightedness and farsightedness.

B2 Some people prefer progressive lenses over bifocals for a more seamless transition between distances.

C1 The optometrist recommended specialized bifocals for the patient's unique vision needs.

C2 The designer frames for bifocals are now available in a variety of stylish options.

Examples of bifocals in a Sentence

formal The optometrist recommended getting a pair of bifocals to help with both near and far vision.

informal My grandma finally gave in and started wearing bifocals to read her books.

slang I feel so old now that I have to wear bifocals to see clearly.

figurative His ability to see both the big picture and the details is like wearing mental bifocals.

Grammatical Forms of bifocals

• plural: bifocals
• comparative: more bifocal
• superlative: most bifocal
• present tense: wear bifocals
• future tense: will wear bifocals
• perfect tense: have worn bifocals
• continuous tense: are wearing bifocals
• singular: bifocal
• positive degree: bifocal
• infinitive: to wear bifocals
• gerund: wearing bifocals
• participle: worn bifocals

Origin and Evolution of bifocals

First Known Use: 1784 year

Language of Origin: English

Story behind the word: The word 'bifocals' originated from the combination of the prefix 'bi-' meaning two, and the word 'focals' referring to lenses.

Evolution of the word: Initially used to describe glasses with lenses for near and distant vision, the term 'bifocals' has evolved to encompass any glasses with multiple focal lengths or purposes.