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2. Bates method - Wikipedia

   en.wikipedia.org/wiki/Bates_method

   The Bates method is an ineffective and potentially dangerous alternative therapy aimed at improving eyesight.Eye-care physician William Horatio Bates (1860–1931) held the erroneous belief that the extraocular muscles caused changes in focus and that "mental strain" caused abnormal action of these muscles; hence he believed that relieving such "strain" would cure defective vision.

3. Orthokeratology - Wikipedia

   en.wikipedia.org/wiki/Orthokeratology

   Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...

4. Visual impairment - Wikipedia

   en.wikipedia.org/wiki/Visual_impairment

   To determine which people qualify for special assistance because of their visual disabilities, various governments have specific definitions for legal blindness. [88] In North America and most of Europe , legal blindness is defined as visual acuity (vision) of 20/200 (6/60) or less in the better eye with best correction possible.

5. Colorblind dad gets to see his kids in color for the very ...

   www.aol.com/lifestyle/2015-05-12-colorblind-dad...

   For his birthday, the Pennsylvania dad got a life changing present -- special glasses that allow him to see color for the very first time and he was overcome by emotion. Read: Rosanne Barr is ...

6. Living longer, not healthier: Study finds periods of poor ...

   www.aol.com/living-longer-not-healthier-study...

   A study led by Mayo Clinic found a “widening gap between lifespan and healthspan" among 183 countries. The lead researcher and another doctor discuss the drivers of poor health late in life.

7. Nyctalopia - Wikipedia

   en.wikipedia.org/wiki/Nyctalopia

   Nyctalopia (/ ˌ n ɪ k t ə ˈ l oʊ p i ə /; from Ancient Greek νύκτ-(núkt-) 'night' ἀλαός (alaós) 'blind, invisible' and ὄψ (óps) 'eye'), [1] also called night-blindness, is a condition making it difficult or impossible to see in relatively low light. It is a symptom of several eye diseases.