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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. 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 ...

4. Base curve radius - Wikipedia

   en.wikipedia.org/wiki/Base_curve_radius

   Typical values for a contact lens are from 8.0 to 10.0 mm. The base curve is the radius of the sphere of the back of the lens that the prescription describes (the lower the number, the steeper the curve of the cornea and the lens, the higher the number, the flatter the curve of the cornea and the 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, 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.

6. 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.

7. Fungal contamination of contact lenses - Wikipedia

   en.wikipedia.org/wiki/Fungal_contamination_of...

   Possible fungal contaminated lens. Microbial corneal infection is the most serious and "most common vision threatening" [1] [2] complication of contact lens wear, [1] which is believed to be strongly associated with contact lens cases. [1] Such infections "are being increasingly recognized as an important cause of morbidity and blindness" [2 ...