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The Cornea is an important structure of the eye that functions in a number of ways to provide clear vision. It acts as the clear outermost “window” of the eye that allows light rays to pass through to the Retina. The cornea is about the size and thickness of a dime and is curved in a dome like shape. It is critical for the Cornea to maintain its transparency and its regular curvature and thickness in order to function properly.
When light strikes the cornea, it bends--or refracts--the incoming light onto the Crystalline Lens of the eye. The Crystalline Lens further focuses that light onto the Retina, a layer of light sensing cells lining the back of the eye. For you to see clearly, light rays must be focused by the Cornea and Crystalline Lens to fall precisely on the Retina. The Retina takes that light energy, and makes it something the brain interprets as vision.
The Cornea also serves as a filter, screening out some of the most damaging ultraviolet (UV) wavelengths in sunlight. Without this protection, the Lens and the Retina would be highly susceptible to injury from UV radiation.
Last, the Cornea serves to protect the internal structures of the eye by shielding it from easy penetration of microorganisms, dust and debris.
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There are a number of eye conditions that can affect the clarity and integrity of the cornea. These include:
It is often possible to treat these conditions with eye drops or other medications, various types of surgery or contact lenses. In the event that the cornea is significantly compromised and non-surgical options cannot improve vision, it may be necessary to have a Corneal Transplant.
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Our doctors provide consulting and treatment for the full range of medical and surgical conditions affecting the cornea and anterior segment of the eye. These include infections of the cornea, corneal dystrophies, corneal trauma and scarring, cataract surgery, keratoconus, pteryium, and dry eyes.
Center for Sight is conveniently located for patients in need of evaluation and diagnosis of corneal diseases and corneal surgery in Massachusetts or Rhode Island from Attleboro, Fairhaven, Fall River, Franklin, Mansfield, Marion, Mattapoisett, Medfield, Milford, New Bedford, North Attleboro, North Dartmouth, Norton, Oxford, Rehobeth, Somerset, Swansea, Taunton, Walpole, Whitinsville, Woonsocket, Providence, Smithfield, Westport, Lakeville, Dighton, Little Compton, and Tiverton.
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