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BeauSpectacles, also known as eyeglasses, are worn to correct vision problems such as nearsightedness, farsightedness, or astigmatism. They work by bending light rays that enter the eye in a way that helps the eyes to focus properly on objects. Spectacles can also protect the eyes from harmful UV rays, dust, and other environmental particles.
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Who invented the bifocal spectacles?
Benjamin Franklin is credited with inventing bifocal spectacles in the 18th century. He created them by cutting two lenses in half and combining a lens for distant vision with a lens for close-up reading.
When was spectacles first invented?
Spectacles were first invented in Italy in the late 13th century. They were initially made with glass lenses set in frames that could be balanced on the nose.
Who discovered the spectacles?
The earliest recorded use of spectacles was in Italy in the 13th century, attributed to the inventor Salvino D'Armate. However, it is believed that the concept of using lenses to improve vision was known in antiquity by figures like Seneca the Younger and Emperor Nero.
How do you clean spectacles?
To clean spectacles, first gently rinse them under lukewarm water to remove debris. Then apply a small amount of lens cleaner or dish soap to each lens and use a microfiber cloth to gently clean in a circular motion. Finally, dry the spectacles with a clean, dry cloth. Avoid using harsh chemicals or paper towels as they can scratch the lenses.
What is spectacles?
A spectacle lens is a lens worn in front of the eye, mainly used to correctmyopia, hyperopia,astigmatism.
