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  2. List of soft contact lens materials - Wikipedia

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

    Proclear 1-Day, Proclear EP, Proclear 1 day Multifocal, Proclear Multifocal Toric, Biomedics XC, Aveo Omafilcon B: 62: 21.3–52.3: Proclear Sphere, Proclear toric, Proclear toric XR, Proclear multifocal, Proclear multifocal XR, Proclear multifocal toric Vasurfilcon A: 74: 39.1: Precision UV Hioxifilcon A: 59: 28

  3. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Two main strategies exist: multifocal lenses and monovision. Multifocal contact lenses (e.g. bifocals or progressives) are comparable to spectacles with bifocals or progressive lenses because they have multiple focal points. Multifocal contact lenses are typically designed for constant viewing through the center of the lens, but some designs do ...

  4. Multifocal lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_lens

    Multifocal diffractive lens, a diffractive optical element used with lasers Topics referred to by the same term This disambiguation page lists articles associated with the title Multifocal lens .

  5. Effects of long-term contact lens wear on the cornea - Wikipedia

    en.wikipedia.org/wiki/Effects_of_long-term...

    Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake. . Other structural changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris), corneal neovascularization, as well as the emergence of polymegethism in the corneal endoth

  6. Multifocal diffractive lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_diffractive_lens

    A multifocal diffractive lens is a diffractive optical element (DOE) that allows a single incident beam to be focused simultaneously at several positions along the propagation axis. [ 1 ] Example of multifocal peak intensity distribution along optical axis.(Courtesy of Holo/Or) Intensity distribution of multifocal lens 5 foci in Z-X plane

  7. At least 7 dead, 19 injured after Philadelphia plane crash ...

    www.aol.com/awful-aviation-disaster-feds-probe...

    Medical crew on a Medevac can include intensive care physicians, flight doctors and flight nurses, notes Medical Air Service Worldwide, an air ambulance provider with offices in New York and ...

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