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  2. LASIK - Wikipedia

    en.wikipedia.org/wiki/LASIK

    LASIK surgery is performed by an ophthalmologist who uses a femtosecond laser or a microkeratome to create a corneal flap to expose the corneal stroma and then an excimer laser to reshape the corneal stroma in order to improve visual acuity. [2] [3] LASIK is very similar to another surgical corrective procedure, photorefractive keratectomy (PRK ...

  3. Photorefractive keratectomy - Wikipedia

    en.wikipedia.org/wiki/Photorefractive_keratectomy

    Patients that wear contact lenses will typically need to stop wearing these for a specified time before the procedure. [ 5 ] PRK disadvantages include a longer recovery time for vision in contrast to LASIK which may be between five days and two weeks for blurred vision to properly clear.

  4. Microkeratome - Wikipedia

    en.wikipedia.org/wiki/Microkeratome

    A microkeratome is a precision surgical instrument with an oscillating blade designed for creating the corneal flap in LASIK or ALK surgery. [1] The normal human cornea varies from around 500 to 600 μm in thickness; and in the LASIK procedure, the microkeratome creates an 83 to 200 μm thick flap. The microkeratome uses an oscillating blade ...

  5. FDA Warns of Potential Side Effects Associated With LASIK Surgery

    www.aol.com/fda-warns-potential-side-effects...

    LASIK is a surgery that is used to correct refractive errors, such as far-sightedness, near-sightedness, and astigmatism, so that people can be less dependent on glasses and contact lenses to get ...

  6. A New Study Points to an Unexpected COVID Side Effect We ...

    www.aol.com/study-points-unexpected-covid-side...

    What You Can Do Can we do anything about this issue, or are we, well, screwed? FWIW, spending more time outdoors and taking breaks from work can prevent myopia in children .

  7. Why gymnast Stephen Nedoroscik wears glasses: What to know ...

    www.aol.com/news/why-gymnast-stephen-nedoroscik...

    He has strabismus. Nedoroscik has crossed eyes — or strabismus, the medical term for the condition, he revealed on TikTok.. It happens when a problem affects eye muscles, causing the eyes to not ...

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