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2. Photorefractive keratectomy - Wikipedia

   en.wikipedia.org/wiki/Photorefractive_keratectomy

   Photorefractive keratectomy ( PRK) and laser-assisted sub-epithelial keratectomy (or laser epithelial keratomileusis [1]) ( LASEK) are laser eye surgery procedures intended to correct a person's vision, reducing dependency on glasses or contact lenses. LASEK and PRK permanently change the shape of the anterior central cornea using an excimer ...

3. This Simple Trick Helped Me Avoid Hip Replacement - AOL

   www.aol.com/lifestyle/simple-trick-helped-avoid...

   At that point I knew that my hip was in trouble and needed attention. I was diagnosed with a torn labrum. I tried several types of therapy including stem cell treatment and platelet-rich plasma (PRP).

4. Microfracture surgery - Wikipedia

   en.wikipedia.org/wiki/Microfracture_surgery

   Microfracture surgery. Left knee-joint from behind, showing interior ligaments. ( Lateral meniscus and medial meniscus are cartilage.) Microfracture surgery is an articular cartilage repair surgical technique that works by creating tiny fractures in the underlying bone. This causes new cartilage to develop from a so-called super-clot.

5. Corneal transplantation - Wikipedia

   en.wikipedia.org/wiki/Corneal_transplantation

   Corneal transplantation, also known as corneal grafting, is a surgical procedure where a damaged or diseased cornea is replaced by donated corneal tissue (the graft). When the entire cornea is replaced it is known as penetrating keratoplasty and when only part of the cornea is replaced it is known as lamellar keratoplasty.

6. Retinal implant - Wikipedia

   en.wikipedia.org/wiki/Retinal_implant

   Retinal layers, from bottom to top: retinal pigment epithelium (RPE), photoreceptors (PR), horizontal cells (HC), bipolar cells (BC), amacrine cells (AC), ganglion cells (RGC), nerve fiber layer (RNFL). A retinal implant is a visual prosthesis for restoration of sight to patients blinded by retinal degeneration.

7. Hip replacement - Wikipedia

   en.wikipedia.org/wiki/Hip_replacement

   MeSH. D019644. MedlinePlus. 002975. [ edit on Wikidata] Hip replacement is a surgical procedure in which the hip joint is replaced by a prosthetic implant, that is, a hip prosthesis. [1] Hip replacement surgery can be performed as a total replacement or a hemi/semi (half) replacement.