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2. YouTube star 'MrBeast' provides free cataract surgeries for ...

   www.aol.com/news/youtube-star-mrbeast-provides...

   Viral video made by YouTube star Jimmy Donaldson, known as MrBeast, shows patients getting vision restored for free. ... He performed cataract surgery on all 40 people in one day, working from 7 a ...

3. Cataract - Wikipedia

   en.wikipedia.org/wiki/Cataract

   Posterior capsular opacification, also known as after-cataract, is a condition in which months or years after successful cataract surgery, vision deteriorates or problems with glare and light scattering recur, usually due to thickening of the back or posterior capsule surrounding the implanted lens, so-called 'posterior lens capsule opacification'.

4. Aberrations of the eye - Wikipedia

   en.wikipedia.org/wiki/Aberrations_of_the_eye

   The appearance of visual complaints such as halos, glare and monocular diplopia after corneal refractive surgery has long been correlated with the induction of optical aberrations. Several mechanisms may explain the increase in the amount of higher-order aberrations with conventional excimer laser refractive procedures: a change in corneal ...

5. Photorefractive keratectomy - Wikipedia

   en.wikipedia.org/wiki/Photorefractive_keratectomy

   The test maps a patient's cornea for raised areas and surface inconsistencies. LASEK and PRK are two different procedures. While both procedures interact with the epithelium atop the cornea, the PRK procedure removes this entirely, while LASEK brushes the material away for the procedure, before being placed back for healing after laser surgery ...

6. Cataract surgery - Wikipedia

   en.wikipedia.org/wiki/Cataract_surgery

   Cataract surgery in small animals such as dogs and cats is a routine ophthalmic procedure with a success rate of around 90%, and is usually better for eyes with relatively recent cataract development. The presence of other ocular problems may reduce the success rate. Procedures are similar to those for humans.

7. Phakic intraocular lens - Wikipedia

   en.wikipedia.org/wiki/Phakic_intraocular_lens

   Cataracts and glaucoma both cause blurry vision. If the lens isn’t the right size, you may experience other visual issues such as glare or double vision. Endothelial cells in the cornea are reduced as a result of eye surgery and aging. If the cells die too quickly, a cloudy cornea and vision loss may result.