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  2. Template:Pentax K-mount lens compatibility chart - Wikipedia

    en.wikipedia.org/wiki/Template:Pentax_K-mount...

    lens function compatibility. KAF2 digital SDM without aperture simulator and with ED-interface: K-70. After update of firmware: K-50, K-1, K-3, K-3II, K-S2, K-S1. 2 – K10D can be updated to change from Powerzoom-use to SDM-drive. On cameras with K AF /K AF2 -mount without aperture simulator during Av metering the aperture has to be adjusted ...

  3. 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 ...

  4. Template talk : Pentax K-mount lens compatibility chart

    en.wikipedia.org/wiki/Template_talk:Pentax_K...

    A second chart with focus on functionality between mount version and lens feature could be useful. -- Angerdan ( talk ) 19:27, 22 February 2018 (UTC) [ reply ] Related sources [ edit ]

  5. Contact lens - Wikipedia

    en.wikipedia.org/wiki/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 devices used ...

  6. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...

  7. 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, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.

  8. Camping with your cat: what to pack and how to do it safely - AOL

    www.aol.com/camping-cat-pack-safely-103000574.html

    6. Vaccinate your cat: Ensure your cat's vaccinations are all up to date, and check with your vet if they'll need any new ones for traveling. 7. Make sure your cat is microchipped and has an ID ...

  9. List of contact lens complications - Wikipedia

    en.wikipedia.org/wiki/List_of_contact_lens...

    Corneal abrasion. Corneal erosion. Contact lens acute red eye (CLARE) Corneal epithelial infiltrates. Keratitis. Corneal ulcer. Corneal stroma. Corneal neovascularisation. Corneal oedema.