University of Sheffield researchers have developed a contact lens implant that could help millions of blind people worldwide retain or even regenerate their vision.
Scientists hope that a new biodegradable eye implant loaded with autologous stem cells will multiply naturally, allowing your body to heal your vision. Autologous adult Stem cells are the building blocks of all human tissue growth. Stem cells have the capability to transform into virtually any other type of tissue or cell in the human body. The groundbreaking technology was initially designed to help treat damaged corneas.
Corneal Damage is a Leading Reason for Vision Loss
Corneal damage often occurs due to injuries to the outermost surface of the eye, usually from infections, eye surgeries, hereditary corneal defects, or chronic dry eye inflammation. Symptoms of eye damage include tearing, light sensitivity, eye pain, or blurred vision.
The new stem cell contact implants work effectively by converting/mimicking the structural functionality of the eyes. Doctors have also developed a new way to produce the delicate membranes of the eye to help better graft helper stem cells onto the patient’s eyes, using a complex protocol that allows researchers to make a new disc from biodegradable materials that can be temporarily affixed over the blind patient’s cornea. The stem cell discs are loaded with autologous stem cells that naturally proliferate and regenerate, allowing your healing system to gradually repair the damaged eyes.
Currently, the standard treatments for someone with corneal blindness include implanting donated corneal transplant membranes. Clinical studies have shown that the stem cell vision treatment is not perfect and can fail after just a few years due to poor retention of the implanted autologous stem cells on the cornea. A vital feature of the new stem cell contact lenses is that they contain many small pockets to protect and house the optical stem cells, allowing them to remain grouped in the eyes longer.
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