Could we ever change our eye colour?

Question: Could we ever change our eye colour?
- Keywords:
  biology,
  eye,
  eye colour,
  human,
  sense,
  vision
Asked by Helny to Anna, Hayley, Iain, Rebecca on 16 Jun 2015.
- anon answered on 16 Jun 2015:
  
  We can’t change our eye colour naturally and even with surgery it is difficult (so far it has only been possible to change the colour of your eyes from brown to blue). However, we can always wear coloured contact lenses 😉

Question: Could we ever change our eye colour?