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2. Visibly - Wikipedia

   en.wikipedia.org/wiki/Visibly

   Visibly provides on-line vision tests and generates eyeglasses and contact lens prescriptions for site visitors, delivering these results via email within one day of the completion of the exam. The results of the exam are reviewed by an optometrist, are considered valid prescriptions, and may be used for ordering glasses or contacts over the ...

3. 10 Things To Know Before Using Costco Optical - AOL

   www.aol.com/10-things-know-using-costco...

   Costco doesn't list exam costs on its website, but most online reports note that an eye exam there costs around $75 to $80. ... (and around $150 for a contact lens exam), which is also lower than ...

4. Contact lens - Wikipedia

   en.wikipedia.org/wiki/Contact_lens

   Artist's impression of Leonardo's method for neutralizing the refractive power of the cornea. Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, [9] wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.

5. List of optometric abbreviations - Wikipedia

   en.wikipedia.org/wiki/List_of_optometric...

   Contact-lens-associated/induced papillary conjunctivitis CLARE Contact-lens-associated red eye CLPU Contact-lens-associated peripheral ulcer Dk Unit of permeability DW Daily wear EW Extended wear FOZD Front optic zone diameter FVP Front vertex power HEMA Hydroxyethyl methacrylate HT Handling tint HVID Horizontal visible iris diameter K Keratometry

6. Visual acuity - Wikipedia

   en.wikipedia.org/wiki/Visual_acuity

   A person's visual acuity is registered documenting the following: whether the test was for distant or near vision, the eye(s) evaluated and whether corrective lenses (i.e. glasses or contact lenses) were used: Distance from the chart D (distant) for the evaluation done at 20 feet (6 m). N (near) for the evaluation done at 15.7 inches (400 mm).

7. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   The eye's Abbe number is independent of the importance of the corrective lens's Abbe, since the human eye: Moves to keep the visual axis close to its achromatic axis, which is completely free of dispersion (i.e., to see the dispersion one would have to concentrate on points in the periphery of vision, where visual clarity is quite poor)