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  2. What older adults need to know about concussions

    www.aol.com/older-adults-know-concussions...

    A concussion is a mild form of traumatic brain injury, or TBI. It occurs when the skull and brain are rapidly jolted back and forth. This is usually the result of a bump, bang, or blow to the head ...

  3. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Of those who are blind 90% live in the developing world. [77] Worldwide for each blind person, an average of 3.4 people have low vision, with country and regional variation ranging from 2.4 to 5.5. [78] By age: Visual impairment is unequally distributed across age groups. More than 82% of all people who are blind are 50 years of age and older ...

  4. Optimum HDTV viewing distance - Wikipedia

    en.wikipedia.org/wiki/Optimum_HDTV_viewing_distance

    This table can be used in a number of ways : Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to ⁠ 250. /.

  5. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    Vision of 6/12 corresponds to lower performance, while vision of 6/3 to better performance. Normal individuals have an acuity of 6/4 or better (depending on age and other factors). In the expression 6/x vision, the numerator (6) is the distance in metres between the subject and the chart and the denominator (x) the distance at which a person ...

  6. The Big Challenges Seniors Face in Everyday Life - AOL

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    Approximately one person in three has some form of vision-reducing eye disease by the age of 65,” according to the journal American Family Physician. Keeping on top of this health issue is key ...

  7. For the millions turning 65 this year, here’s what to know ...

    www.aol.com/finance/millions-turning-65-know...

    Kerry Hannon. July 28, 2024 at 9:30 AM. When Bill Saiff, 65, a management consultant in Washington, D.C., was nearing his milestone birthday in December, the anxiety over what he needed to do ...

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