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  2. Hoya Corporation - Wikipedia

    en.wikipedia.org/wiki/Hoya_Corporation

    Hoya Corporation (Hoya株式会社, Hōya Kabushiki-gaisha) is a Japanese company manufacturing optical products such as photomasks, photomask blanks and hard disk drive platters, contact lenses and eyeglass lenses for the health-care market, [4] medical photonics, [5] lasers, photographic filters, medical flexible endoscopy equipment, and ...

  3. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    The intraocular lens did not find widespread acceptance in cataract surgery until the 1970s, when further developments in lens design and surgical techniques had come about. As of 2021, approximately four million cataract procedures take place annually in the U.S. and nearly 28 million worldwide, a large proportion in India.

  4. Pentax - Wikipedia

    en.wikipedia.org/wiki/PENTAX_Corporation

    In December 2006, Pentax started the process of merging with Hoya Corporation to form 'Hoya Pentax HD Corporation'. [4] Hoya's primary goal was to strengthen its medical-related business by taking advantage of Pentax's technologies and expertise in the field of endoscopes, intraocular lenses, surgical loupes, biocompatible ceramics, etc.

  5. Multifocal intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_intraocular_lens

    People who have a multifocal intraocular lens after their cataract is removed may be less likely to need additional glasses compared with people who have standard monofocal lenses. [2] People receiving multifocal lenses may experience more visual problems, such as glare or haloes (rings around lights), than with monofocal lenses. [2]

  6. Angle-supported intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Angle-supported...

    Angle-supported intraocular lenses are a special kind of intraocular lens that can be implanted surgically into the anterior chamber of the eye. These lenses are called angle-supported because the footplates of the lens rest in the irido-corneal angle .

  7. History of cataract surgery - Wikipedia

    en.wikipedia.org/wiki/History_of_cataract_surgery

    Cataract surgery has a long history in Europe, Asia, and Africa. It is one of the most common and successful surgical procedures in worldwide use, thanks to improvements in techniques for cataract removal and developments in intraocular lens (IOL) replacement technology, in implantation techniques, and in IOL design, construction, and selection ...

  8. Intraocular lens power calculation - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens_power...

    The aim of an accurate intraocular lens power calculation is to provide an intraocular lens (IOL) that fits the specific needs and desires of the individual patient. The development of better instrumentation for measuring the eye's axial length (AL) and the use of more precise mathematical formulas to perform the appropriate calculations have significantly improved the accuracy with which the ...

  9. Ophthalmic viscosurgical device - Wikipedia

    en.wikipedia.org/wiki/Ophthalmic_viscosurgical...

    Despite the side effects, the advantages of OVDs have made them indispensable in ophthalmic surgery involving the anterior chamber. There are no known contraindications to the use of a Sodium Hyaluronate Ophthalmic Viscosurgical Device as a surgical aid in ophthalmic anterior segment procedures.