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  2. List of soft contact lens materials - Wikipedia

    en.wikipedia.org/wiki/List_of_soft_contact_lens...

    The US Food and Drug Administration (FDA) defines soft contact lenses as: made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your ...

  3. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Contact lens. A pair of contact lenses, positioned with the concave side facing upward. Putting contacts in and taking them out. One-day disposable contact lenses with blue handling tint in blister-pack packaging. Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic ...

  4. Multifocal intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_intraocular_lens

    Multifocal IOLs: achieve near and distance vision by having two (bifocal) or three (trifocal) focal points simultaneously. The function of multifocal IOL depends on the pupil size for refractive types. The concept is based on the principle that the pupil tends to constrict for near tasks, so the central portion of the lens is designed for near ...

  5. The best canes for 2024, according to nurses ... - AOL

    www.aol.com/lifestyle/best-cane-151849845.html

    Boasting over 3,500 reviews and an impressive 4.7-star rating, this cane is praised for its sturdiness and quality construction. The latex-free, ergonomic handle is designed for both left- and ...

  6. It's like Vegas' Sphere — kinda. 7 things to know about L.A ...

    www.aol.com/news/vegas-sphere-kinda-7-things...

    3. Cosm insists this is not a theater "We're allergic to the term theater," Poolman says. Cosm's creators want the spaces to feel social. That's why they also sell a low-priced general admission ...

  7. Multifocal technique - Wikipedia

    en.wikipedia.org/wiki/Multifocal_technique

    Multifocal technique. Multifocal techniques are used in electroretinogram and visual evoked potential recordings to separate the responses originating from the stimulation of different locations in the visual field (and thus different retinal locations). The concept is as follows: Each visual field location is stimulated with a stimulus ...

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