Corneal Transplantation

• Main Author: Ghaem maghami A
• Format: Article
• Language: fas
• Published: Iran University of Medical Sciences 1994-03-01
• Series: نشریه پرستاری ایران
• Subjects: cornea; transplantation; diabetic retinopathy
• Online Access: http://ijn.iums.ac.ir/article-1-1142-en.html

ExtractDefective corneas are the leading cause of blindness world wide and the second leading cause, after diabetic retinopathy,of blindness in the united state , afflicting 30000 americans each year. happily, nearly 95 percent of those who have corneal transplantations( in 1985 they numbered,26300) regain their sight. The cornea is a transparent, a vascular, dim-sized tissue continious with the white sclera of the eye. It acts asa refractive and protective membrane or “ Window” through which light passes to the retina.injury , infection,congenital defects,or various corneal degenerations can scar, cloud,or change the shape of the cornea, blocking light rays and,thus, vision.