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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. About 4% of US adults age 65 and older have a dementia ...

   www.aol.com/news/4-us-adults-age-65-040225251.html

   Show comments. Some 4% of U.S. adults aged 65 and older say they have been diagnosed with dementia, a rate that reached 13% for those at least 85-years old, according to a report of a national ...

4. 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.

5. Lighting for the elderly - Wikipedia

   en.wikipedia.org/wiki/Lighting_for_the_elderly

   Lighting for the elderly. Designing lighting for the elderly requires special consideration and care from architects and lighting designers. As people age, they experience neurodegeneration in the retina and in the suprachiasmatic nucleus (SCN). Less light reaches the back of the eyes because the pupils decrease in size as one ages, the lens ...

6. FDA approves Alzheimer’s treatment that has been shown to ...

   www.aol.com/news/fda-approves-alzheimer...

   The agency’s approval was based on a late-stage clinical trial of 1,700 people that showed the drug slowed the progression of Alzheimer’s by about 35% after 18 months, compared to a placebo ...

7. Study identifies Alzheimer's biomarkers linked to blood ... - AOL

   www.aol.com/study-identifies-alzheimers...

   Dementia currently affects more than 57 million people worldwide, and is projected to affect some 150 million by 2050. And up to 80% of people diagnosed with dementia have Alzheimer’s disease.

8. Gerontological nursing - Wikipedia

   en.wikipedia.org/wiki/Gerontological_nursing

   Gerontological nursing is the specialty of nursing pertaining to older adults. [1] Gerontological nurses work in collaboration with older adults, their families, and communities to support healthy aging, maximum functioning, and quality of life. [2] The term gerontological nursing, which replaced the term geriatric nursing in the 1970s, is seen ...

9. A Change in This Daily Habit Could Be an Early Sign of ... - AOL

   www.aol.com/change-daily-habit-could-early...

   While walking slower could be a sign of dementia, Dr. Landsverk says that it isn’t typically one of the first signs, which include poor judgment, mood changes and a faulty memory. Additionally ...