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2. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

3. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

4. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.

5. Turning 65? 5 Things Every Senior Should Know About Medicare

   www.aol.com/news/2012-09-27-turning-65-5-things...

   Seniors over 65 and already enrolled in Medicare (original and the private plans are covered below) can enroll in different plans during the 2013 Medicare Annual Open Enrollment Period, which runs ...

6. Tips For Seniors Over 65 With ED - AOL

   www.aol.com/tips-seniors-over-65-ed-125700073.html

   Sildenafil . Sildenafil is both the active ingredient and generic form of Viagra. It provides relief from ED for roughly four hours per dose. These ED pills are an effective treatment option for ...

7. Free College Courses for Senior Citizens in All 50 States ...

   www.aol.com/free-college-courses-senior-citizens...

   Oregon. Oregon State University allows senior citizens at least 65 years old to audit college courses for free at a maximum of eight credit hours per semester. The University of Oregon also waives ...