Eye bank
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Eye banks retrieve and store eyes for cornea transplants and research. US eye banks provide tissue for about 46,000 cornea transplants a year to treat conditions such as keratoconus and cornea scarring. The cornea is the only part of the eye that can currently undergo transplantation. In contrast to other organs, there is an adequate supply of corneas for transplants.
When an organ donor dies, certified eye bank technicians are dispatched to the hospital to collect the donor's eyes. The whole eye, called a globe, is enucleated from the donor and taken back to the eye bank for processing. A sample of the donor's blood is also collected to test for any pathogens. Back at the eye bank, the cornea and part of the white sclera are cut away from the rest of the eye and placed in a container with preservation medium. The corneas undergo visual examination underneath a slit-lamp and endothelial cell counts underneath a specular microscope.
There is a wide variety of storage media used in eye banking. The most popular is Optisol GS, which can preserve cornea tissue for up to 14 days if kept refrigerated. Eusol-C is another commonly used media. Organ culture media can also preserve corneas and does not require refrigeration.
References
- Eye Bank Association of America
- Chu W. "The Past Twenty-Five Years in Eye Banking". Cornea 2000:19(5); 754-765. PMID 11009327.
- What is eye banking?
- Perspectives in eye banking
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
