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2. Surface Pro 8 - Wikipedia

   en.wikipedia.org/wiki/Surface_Pro_8

   The Surface Pro 8 is the 10th addition to the Surface Pro lineup preceded by the Surface Pro 7+ and Surface Pro X. An updated design that aligns closer to the previously launched Surface Pro X. [ 5] Intel 11th Gen Core i3, i5, or i7 processors. 13-inch touchscreen at 267 PPI, 3:2 aspect ratio, and 120 Hz refresh rate.

3. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

4. Fresnel lens - Wikipedia

   en.wikipedia.org/wiki/Fresnel_lens

   In some lenses, the curved surfaces are replaced with flat surfaces, with a different angle in each section. Such a lens can be regarded as an array of prisms arranged in a circular fashion with steeper prisms on the edges and a flat or slightly convex center. In the first (and largest) Fresnel lenses, each section was actually a separate prism.

5. Bifocals - Wikipedia

   en.wikipedia.org/wiki/Bifocals

   Bifocals. A bifocal lens with areas of differing magnification. Bifocals with separate lenses. In this case, the Swedish ethnologist Jan-Öjvind Swahn [ sv]. Bifocals are eyeglasses with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism .

6. Surface Pro 7 - Wikipedia

   en.wikipedia.org/wiki/Surface_Pro_7

   Contents. Surface Pro 7. The Surface Pro 7 is a 2-in-1 detachable tablet computer developed by Microsoft. It is the seventh generation of Surface Pro and was announced alongside the Surface Laptop 3 and Surface Pro X at an event on 2 October 2019. [ 1 ] An updated version of the device was introduced on 11 January 2021 called the Surface Pro 7 ...

7. New glasses-free 3D tech uses per pixel prisms for zero ... - AOL

   www.aol.com/news/2010-03-25-new-glasses-free-3d...

   Try as manufacturers might, attempts at autostereoscopic (glasses-free) TV have been subpar; existing tech typically makes for messy images due to ghosting, only provides a 3D effect if you're ...