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2. List of soft contact lens materials - Wikipedia

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

   Types. The FDA classifies soft contact lenses into four groups for the US market. They are also subcategorized into 1st generation, 2nd generation, and 3rd generation lens materials. [6] These 'water-loving' soft contact lens materials are categorized as "Conventional Hydrophilic Material Groups ("-filcon"): Group. Water Content.

3. Base curve radius - Wikipedia

   en.wikipedia.org/wiki/Base_curve_radius

   Base curve radius, or simply base curve, abbreviated BCR or BC, is the measure of an important parameter of a lens in optometry. On a spectacle lens, it is the flatter curvature of the front surface. On a contact lens it is the curvature of the back surface and is sometimes referred to as the back central optic radius (abbreviated BCOR ).

4. List of Nikon F-mount lenses with integrated autofocus motor

   en.wikipedia.org/wiki/List_of_Nikon_F-mount...

   The following list of Nikon F-mount lenses with integrated autofocus motor includes only Nikon F-mount lenses which fully autofocus in all modes of all Nikon F-mount digital single-lens reflex cameras with and also without an autofocus motor. [1] Cameras lacking an integrated autofocus motor (often called screw drive) are the Nikon D40, D40X ...

5. List of Minolta A-mount lenses - Wikipedia

   en.wikipedia.org/wiki/List_of_Minolta_A-mount_lenses

   Fisheye lens; same design as before except for different built-in filters; succeeded by Sony SAL-16F28 Wide-angle lenses: 20 f /2.8: Minolta AF 20mm f / 2.8: 2579-100, 2579-600, 2579-610: 25791: 5-pin: 72mm: No No No 1986 Minolta AF 20mm f / 2.8 New: 2641-110 25791: 5-pin 72mm No No Camera 1993 Restyled design; succeeded by Sony SAL-20F28 24

6. 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 ...

7. 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.