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  2. Effects of long-term contact lens wear on the cornea - Wikipedia

    en.wikipedia.org/wiki/Effects_of_long-term...

    Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.

  3. Head-related transfer function - Wikipedia

    en.wikipedia.org/wiki/Head-related_transfer_function

    A head-related transfer function ( HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is perceived, boosting some ...

  4. Does Medicare cover hearing aids? Here's what to know about ...

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    A $500 per-ear allowance for hearing aids every three years (up to $1,000 for both ears) A $15 or $25 copay fee for hearing service visits One routine hearing exam per year

  5. Keratoconus - Wikipedia

    en.wikipedia.org/wiki/Keratoconus

    Keratoconus. Keratoconus ( KC) is a disorder of the eye that results in progressive thinning of the cornea. [ 3] This may result in blurry vision, double vision, nearsightedness, irregular astigmatism, [ 4] and light sensitivity leading to poor quality-of-life. [ 3][ 5] Usually both eyes are affected. [ 3] In more severe cases a scarring or a ...

  6. Do You Really Need to Wear Compression Socks on a Long ... - AOL

    www.aol.com/really-wear-compression-socks-long...

    Fact checked by Nick BlackmerFact checked by Nick Blackmer. On TikTok, users tout the benefits of wearing compression socks while flying and urge others to wear them on long-haul flights, too ...

  7. Sean McVay argues with officials as he wears a headset for ...

    www.aol.com/sports/sean-mcvay-argues-officials...

    McVay did a full series on the headset with the Rams' broadcast booth in the first half, commentating on the game as it unfolded, and did another series in the second half.

  8. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.

  9. Sports and activities that improve hand-eye ... - AOL

    www.aol.com/sports-activities-improve-hand-eye...

    When you’re not up to getting too physical, there are other ways to give your hand-eye coordination a boost. Here are some options: Bouncing a ball. Playing catch. Playing video games. Learning ...

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