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The template for rimless eyeglasses date back to the 1820s, when an Austrian inventor named Johann Friedrich Voigtländer [] marketed a rimless monocle. [2] The design as it is known today arose in the 1880s [3] as a means to alleviate the combined weight of metal frames with heavy glass lenses.
A variant of horn-rimmed glasses, browline glasses, became one of the defining eyeglass styles of the 1940s and 1950s. Invented in 1947, the style combined the aesthetics of horn-rimmed glasses with the stability of metal frames by fitting prominent plastic "brows" over the tops of metal frames, creating a distinctive look that was also ...
Silhouette manufactures and distributes rimless eyewear, full rim eyewear and sunglasses as well as lenses. [21] For many years, Silhouette was a licensed manufacturer of sports eyewear for Adidas and Swarowski. [22] Silhouette currently produces eyewear under three brands: Silhouette, NEUBAU EYEWEAR and evil eye. [18]
Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.
Higher-quality optical-grade glass materials exist (e.g. Borosilicate crown glasses such as BK7 ( n d = 1.51680 , V d = 64.17 , D = 2.51 g/cm³ ), which is commonly used in telescopes and binoculars, and fluorite crown glasses such as the best optical quality low dispersion glass currently in production, N-FK58 made by the German company Schott ...
Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera , each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...
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