Eyeglass: meaning, definitions and examples

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eyeglass

[ˈaɪˌɡlæs ]

Definition

^{Context #1 | Noun}

vision aid

Eyeglass refers to a single lens or a pair of lenses set in a frame that is worn on the face to assist with vision. They are commonly used to correct refractive errors in eyesight, such as nearsightedness or farsightedness. Eyeglasses can also serve a decorative purpose and may be prescribed for specific conditions.

Synonyms

glasses, lenses, spectacles.

Examples of usage

She put on her eyeglasses to read the fine print.
After his eye exam, the doctor recommended a new pair of eyeglasses.
He lost his eyeglasses while walking on the beach.
Many people wear eyeglasses for both style and vision correction.

Interesting Facts

Etymology

The word has roots in the 14th century from the combination of 'eye' and 'glass', referring to the glass used in lenses.
Initially, they were called 'spectacles' derived from the Latin 'spectare', meaning to look or see.
In early times, lenses were made from rock crystal or polished glass before modern materials were developed.

History

The first known use of eyewear dates back to around the 13th century in Italy, catering to people with vision problems.
In the 18th century, bifocals were invented by Benjamin Franklin, allowing people to see both up close and far away.
Tinted lenses were developed in the 20th century, initially to protect eyes from the sun, becoming fashionable sunglasses.

Science

Eyeglasses work by bending light rays using lenses, making images clearer and easier to focus.
There are different types of lenses, including convex for farsightedness and concave for nearsightedness.
The human eye has a natural lens, but glasses can help correct imperfections in vision.

Pop Culture

Famous characters like Harry Potter are often seen with eyeglasses, making them a symbol of intelligence and fantasy.
The 'cool' factor of eyeglasses increased when designers started creating stylish frames in the late 20th century.
In movies, glasses have been used to define characters, such as the nerd stereotype versus the 'cool' sunglasses-wearing types.

Literature

Eyeglasses are often used in literature as a metaphor for perception or insight, emphasizing how characters see the world differently.
In classic novels, glasses can signify age and wisdom, as older characters are usually depicted wearing them.
The act of reading is frequently associated with glasses, highlighting the importance of vision in understanding stories.