Spectacles are defined as a vision correction device mechanically adjusted to human eyes. Spectacles and eyeglasses are terms interchangeably used by people, while spectacles are the term mostly used by optometrists. Spectacles are usually shortened as specs, some even invent a word 'spex" to refer to "spectacles". You can also buy anti-reflective rx lenses and premium italian acetate frames at reasonable price via vaious online stores.
The evolution of spex experienced a long and fuzzy history, and no single person can be credited the invention of spectacles. The earliest records about spex can be traced back to 2000 years ago when people used planet of water to amplify the viewing objects. About 1000 years ago, reading stone was invented, which was the sectors of glass sphere that is certainly put on the books to determine words better.
Later all around 13th century, Italian Venetian glass manufacturers put the glass into a sort of frame so that he spex might be held on the eyesight. At that time, the spex was designed to use by one eyesight. Later people fit a couple glasses into frames, making the spex 1 unit so that people see through two eyes with spectacles.
The first manuscript with regards to spectacles glasses was found around 1289 by way of a Popozo family member. In the center ages, wearing spectacles glasses was considered an indicator a knowledge and smart learning. From some artistic paintings of this era showed figures sporting spex, or the spex was included in the art portrait. That revealed the spec became well-known then.