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2. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   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]

3. Rounded shoulder posture - Wikipedia

   en.wikipedia.org/wiki/Rounded_shoulder_posture

   Rounded shoulder posture (RSP), also known as “mom posture”, [1] is a common postural problem in which the resting position of the shoulders leans forward from the body’s ideal alignment. [1] Patients usually feel slouched and hunched, [ 2 ] with the situation deteriorating if left untreated.

4. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

5. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   Reading glasses are single vision lenses designed for near work and include over the counter glasses. They come in two main styles: full frames, in which the entire lens is made in the reading prescription, and half-eyes, style glasses that sit lower down on the nose . [ 2 ]

6. Visual impairment - Wikipedia

   en.wikipedia.org/wiki/Visual_impairment

   Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

7. Where You Age Affects How You Age - Aging in their Own Words

   testkitchen.huffingtonpost.com/aging

   The global challenge we should be talking more about.

8. Popular vitamin won’t prevent a fall or fracture in older ...

   www.aol.com/news/popular-vitamin-won-t-prevent...

   Vitamin D and calcium are essential for overall health, but don’t reduce the risk of falls or fractures in generally healthy older adults, according to a new draft recommendation from the US ...

9. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/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.