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2. Abbe number - Wikipedia

   en.wikipedia.org/wiki/Abbe_number

   Abbe number. In optics and lens design, the Abbe number, also known as the V-number or constringence of a transparent material, is an approximate measure of the material's dispersion (change of refractive index versus wavelength), with high values of V indicating low dispersion. It is named after Ernst Abbe (1840–1905), the German physicist ...

3. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

4. Dental insurance - Wikipedia

   en.wikipedia.org/wiki/Dental_insurance

   Dental insurance companies divide benefits, services, or procedures into categories and refer to them with American Dental Association (ADA) 3-4 digit code. As an example, Preventive and Diagnostic procedures often include exams (ADA code 0120), x-rays (ADA code 0210), and basic cleanings or prophylaxis (ADA code 1110).

5. Progressive lens - Wikipedia

   en.wikipedia.org/wiki/Progressive_lens

   Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer's correction for the other refractive errors. The gradient starts at the wearer's distance prescription at the top of the lens and reaches a ...

6. The 6 most common types of disabilities nationwide - AOL

   www.aol.com/6-most-common-types-disabilities...

   What's more, flexible work schedules, remote work capabilities, and family and medical leave can create more opportunities for families to better support their loved ones with disabilities. Nearly ...

7. Here’s when Medicare will cover breast reduction surgery - AOL

   www.aol.com/finance/medicare-cover-breast...

   The cost of the surgery can be significant. According to ASPS, the average cost of a surgeon’s fee for cosmetic breast reduction is $6,771. Additional fees may include anesthesia and hospital or ...