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Clear lens extraction (CLE), also known as refractive lensectomy, custom lens replacement (CLR) or refractive lens exchange (RLE) is a surgical procedure in which clear lens of the human eye is removed. Unlike cataract surgery, where cloudy lens is removed to treat cataract, clear lens extraction is done to surgically correct refractive errors ...
Gradient-index optics. A gradient-index lens with a parabolic variation of refractive index ( n) with radial distance ( x ). The lens focuses light in the same way as a conventional lens. Gradient-index ( GRIN) optics is the branch of optics covering optical effects produced by a gradient of the refractive index of a material.
2 May 2022. ( 2022-05-02) –. present. DI Ray is a British police procedural television series created and written by Maya Sondhi and produced by Jed Mercurio. DI Ray stars Parminder Nagra in the title role as a Detective Inspector in a fictitious Birmingham -based police force. The cast also includes Gemma Whelan and Jamie Bamber. [1]
IQ are a British neo-prog band founded by Mike Holmes and Martin Orford in 1981 following the dissolution of their original band The Lens.Although the band have never enjoyed major commercial success and had several lineup changes, IQ have built up a loyal following over the years and are still active as of 2024, currently with the original recording line-up (with the exception of Orford).
Isomorphous replacement (IR) is historically the most common approach to solving the phase problem in X-ray crystallography studies of proteins. For protein crystals this method is conducted by soaking the crystal of a sample to be analyzed with a heavy atom solution or co-crystallization with the heavy atom. The addition of the heavy atom (or ...
Glasses. Glasses, also known as eyeglasses and 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. Glasses are typically used for vision correction, such ...