If a bold style is what you're looking for, full-rimmed eyeglass frames may be your best option. These frames fully enclose your lenses with the material, offering a sturdy-yet-stylish pair of glasses. Available in all frame materials — from acetate and plastic to metal and titanium — ...
Other Glasses Frame Materials If you can shape, whittle, or 3D-print a material, chances are you can make glasses frames out of it. People have worn glasses made of precious metals, wood, horn, and even bone. These materials usually aren’t as long-lasting or strong as metal and acetate...
There are many different types of eyeglass lenses, including bifocals, trifocals, progressive lenses, and multifocals. Eyeglass...
There are all kinds of eyeglass lenses, including light-sensitive photochromic ones that darken in sunlight and double-up as sunglasses. You'll also find lenses in binoculars (which use two or three lenses in each of the cylinders serving your eyes) and telescopes, though not all microscopes...
The first type of telescope ever designed was a refractor, designed by an eyeglass maker in the Netherlands in 1608. Soon after,Galileoimproved on this refracting telescope design and applied its uses to astronomy. The three main types of telescopes arerefracting telescopes,reflecting telescopes, ...