Scientists develop corneas from fish scales

Researchers at the University of Granada in Spain have developed an artificial cornea made from fish scales commonly sold in markets. The technology could in future provide a cheaper alternative to donor cornea transplants for serious eye diseases.

The cornea is the transparent front layer of the eye and is difficult to regenerate when severely damaged. Because it has no blood vessels, its ability to heal is limited. In serious cases, patients often require cornea transplants from donors, but these are restricted by a shortage of organs and long waiting lists.

Researchers from the university’s tissue engineering group and the ibs.Granada biomedical institute say implants made from fish scales are highly biocompatible, transparent and durable.

According to Professor of Histology Ingrid Garzon, another advantage of the material is its availability. Since it comes from commonly available fish, production could be cheaper and might also support the local fishing industry.

However, the technology is still in the research phase. Scientists say laboratory tests and animal experiments have produced promising results, but further testing will be needed before it can be used in humans.

(reuters, max)