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Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over 150 million people worldwide, [1] and they can be worn to correct vision or for cosmetic or therapeutic reasons. [2] In 2010, the worldwide market for contact lenses was estimated at $6.1 billion, while the US soft lens market was estimated ...
Essilor International is an international ophthalmic optics company that designs, manufactures and markets lenses to correct or protect eyesight. [1] Its headquarters is in Charenton-le-Pont (near Paris), France .
Canon EOS 1200D is an 18.1 megapixel digital single-lens reflex camera (DSLR) announced by Canon on 11 February 2014. [1] It is known as the EOS Kiss X70 in Japan, the EOS Rebel T5 in the Americas, and the EOS Hi in Korea. [2] [3] The 1200D is an entry-level DSLR that introduces an 18 MP sensor from the 700D and 1080p HD video to Canon's entry level DSLRs. It replaces the 1100D .
In the US market, soft contact lenses are approved by the US Food and Drug Administration. [2] The American Optometric Association published a contact lens comparison chart called Advantages and Disadvantages of Various Types of Contact Lenses on the differences between them. [3] These include:
What set these cameras apart from earlier Pentax ones was the replacement of the M42 "universal" screw-lens mount with a proprietary bayonet mount system, known as the K mount. Still the basis for Pentax lenses and cameras today, the K mount offered greater convenience and enabled the production of faster lenses such as the 50 mm f/1.2. [16]
The pioneers of photography in the Philippines were Western photographers, mostly from Europe. The practice of taking photographs and the opening of the first photo studios in Spanish Philippines, from the 1840s to the 1890s, were driven by the following reasons: photographs were used as a medium of news and information about the colony, as a tool for tourism, as an fork anthropology, as a ...