“Current medical facilities can treat defects in lenses and corneas, and the brain can then begin to learn about the visual world,” he said.

Source: https://www.canindia.com/iit-delhi-study-finds-brain-structures-to-help-treat-blindness/

The corneas are harvested by specialist facilities called eye banks but there is none in Ghana which is why the country relies on the US for the tissues.

Source: https://www.ghanabusinessnews.com/2023/02/16/severe-weather-conditions-in-us-thwart-corneal-transplants-in-ghana/?utm_source=rss&utm_medium=rss&utm_campaign=severe-weather-conditions-in-us-thwart-corneal-transplants-in-ghana

We receive more corneas for donation than we send to the eye banks from the population in Northern Ireland."

Source: https://www.bbc.co.uk/news/uk-northern-ireland-67356675?at_medium=RSS&at_campaign=KARANGA