What are corneal stem cell transplants?
Answer:
Hi Jess,
A new treatment for individuals who may be totally blind because of indisputable eye diseases or because of scarring caused by abrasion or chemical burns to their corneas may breed it possible for them to see again. If, because of accident or disease, the clear membrane covering the cornea is lastingly destroyed and cannot be regenerated, blindness results. In these cases, traditional corneal transplants are unattainable because a clear membrane formed by the eye of the recipient is called for for survival of the transplanted tissue. Research now indicates that corneal stem cell transplants can restore and state the clear covering membrane of the cornea that may have be destroyed by disease or injury.
In this procedure, adult stem cell that have the capability to develop into the clear covering membrane of the cornea are first harvested from the corneas of cadaver and then transplanted into and around the edges of the diseased or undermined corneas of the blind recipient. The unmarked stem cells after produce the clear corneal surface membrane required for normal reverie. This technique is in the research stage and have limited applications so far. Problems associated near rejection of the foreign stem cells and suppression of the immune system of the receiver must still be resolved. However, this development surrounded by clinical medicine will be an resort for effectrively treating blindness that was considered binding in the go by.
http://en.wikipedia.org/wiki/corneal_tra...
Corneal stem cell transplants are new ground contained by the treatment of eyes damaged by injury or disease by transplanting stem cell directly onto the cornea. The cornea is a very successful tissue to transplant, consisting as it does of three clear layer and no blood vessels.
If you injure your cornea, the cell are supposed to grow new corneal cell but if the cells are destroyed, the conjunctiva (White part) will grow over. So instead of have a clear cornea that you can see through, you will have a cornea to be precise "veiled" which cannot transmit light thu s you won't be capable of see.
It is where corneal stem cell transplant take place where a trial corneal stem is transplanted to replace the damage one. A piece of corneal stem cell from a donor is sutured surrounded by a damaged nouns of the recipient. The transplanted corneal stem cell divide and multiply, replacing missing cells and warding past its sell-by date the conjunctiva that in some cases invades the cornea and covers it approaching a blanket.
That's it!