Koch Eye Associates

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Diseases and Disorders

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CORNEA DISEASES AND DISORDERS WARWICK, RHODE ISLAND

Diseases and Disorders

TREATMENTS AND PROCEDURES

Most corneal disorders can be successfully treated with eye drops and ointments. However, there are cases when surgical intervention is necessary. This may include:

Superficial Keratectomy
This procedure is used in the treatment of ocular surface disease such as Anterior Basement Membrane Dystrophy, or recurrent erosions. This procedure can often be done in the office, using numbing drops and removing the defective surface cells from the cornea, so that the healthy replacement cells can heal naturally from the periphery of the cornea. A temporary bandage contact lens is placed on the eye at the end of the procedure. Patients are usually able to return to normal activities the next day.

Corneal Transplantation
Corneal transplantation, also known as keratoplasty, involves replacing the damaged cornea with a healthy cornea from a donor. The donor cornea is obtained through a nationwide network of eye banks. During the procedure, a disc of tissue is removed from the cornea by a circular incision and replaced with healthy donor tissue, which is then secured with microscopically fine sutures. The donor corneal discs may be thin (lamellar keratoplasty) or as deep as the entire cornea (penetrating keratoplasty). Sutures are removed or adjusted to reduce astigmatism on an individual basis. Glasses or contact lens are prescribed after the transplant has sufficiently healed, usually after six months.

Descemet’s Stripping Endothelial Keratoplasty (DSEK)
DSEK is a recently developed form of corneal transplantation in which the diseased or damaged endothelial cell lining (inner-most corneal layer) is replaced with a new endothelial lining harvested from a donated cornea. A thin button of donor tissue containing only the endothelial cell layer is inserted onto the back surface of the patient’s cornea. This new technique involves a smaller surgical incision, requires fewer sutures, heals faster and more reliably, and helps vision return faster.

Pterygium Removal with Graft
Pterygium surgery involves removing the pterygium tissue and fixating either conjunctival auto-graft or amniotic membrane graft to the bed of the defect on the white part of the eye (sclera).

  • Conjunctival auto-grafting replaces the bare sclera with tissue that is surgically removed from the patients own conjunctiva. The “self-graft tissue” is then transplanted to the bare sclera and is fixated using sutures or tissue adhesive.
  • Amniotic membrane transplantation offers a practical alternative to conjunctival auto- graft transplantation for extensive pterygium removal. Amniotic membrane is a tissue that is acquired and processed from the innermost layer of the human placenta, and has been used to replace and heal damaged mucosal surfaces including successful reconstruction of the ocular surface. Using an amniotic graft facilitates epithelialization, and has anti-inflammatory, as well as surface rejuvenation properties.
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The Greater New Bedford Surgical and Laser Center

The Greater New Bedford Surgical and Laser Center was opened in 1986 with the express purpose of rendering high quality, state of the art eye surgery to patients of all ages, especially those with cataracts, glaucoma, or cornea disease. The Center is designed specifically with the needs of the patient in mind. The entire process from initial examination to final outcome is conducted in a pleasant comfortable environment.

After a patient decides to have surgery, he or she is assigned his or her own Surgical Counselor who is available to answer questions and provide assistance. These individuals are specially trained to assist the patient throughout the entire surgical experience, including follow up care for as long as necessary. Patients are encouraged to contact their counselor for any questions, no matter how simple or complex.