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Clear lens extraction, also known as refractive lensectomy, custom lens replacement or refractive lens exchange is a surgical procedure in which clear lens of the human eye is removed. Unlike cataract surgery , where the cloudy lens is removed to treat a cataract , clear lens extraction is done to surgically correct refractive errors such as ...
Grody led the company throughout its growth until its final sale in 1997. A retail outlet in Hillsboro, Oregon. By 1997, ABC&E's revenues were $103 million and it had about 1,400 employees plus 150 independent doctors of optometry, 100 retail stores in 25 states, the District of Columbia, and Puerto Rico.
Technorati is a search engine and a publisher advertising platform. Technorati launched its ad network in 2008. In 2016, Synacor acquired Technorati for $3 million. [2] [3]The company's core product was previously an Internet search engine for searching blogs.
LensCrafters Optique store in Sherway Gardens, Toronto, Canada LensCrafters Optique store in Ann Arbor, MI. LensCrafters is an international retailer of prescription eyewear and prescription sunglasses.
The DA* lenses are more expensive and generally feature improved light transmission and larger aperture openings for better low light performance. Some DA* lenses also feature both body driven screw drive focusing and the Pentax SDM (Supersonic Drive Motor) lens based focus mechanism. Some lenses of this product line were co-developed with ...
Man with glasses. A woman with glasses. Glasses, also known as eyeglasses, spectacles, or colloquially as specs, 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 for support.
Acuvue lenses got their start at Frontier Contact Lens Company, founded in Buffalo, New York in 1959 by Dr. Allen Isen, George Sitterle, and Dr. William Feinbloom. [2] Its early growth was attributed to its highly successful toric lens. In 1962, Seymour Marco joined the venture and Frontier moved its operations to Jacksonville, Florida. [3]
Adjustable focus lenses, like single-focus lenses, also reduce image-jump and spatial distortion in the field of view associated with traditional multi-focal lenses. Additionally, the ideal near-vision correction can be achieved with precision, because the variable lenses emulate the focusing action of the youthful (non-presbyopic) eye.
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