When you use a piece of the eye for your work, what animals eye do you use or is it humans and are they dead or alive

Question: When you use a piece of the eye for your work, what animals eye do you use or is it humans and are they dead or alive when you use their eye?
- Keywords:
  animal testing,
  ethical,
  experiment
Asked by Lily to Ali on 11 Nov 2014.
- Alison Thomson answered on 11 Nov 2014:
  
  Hi Lily!
  
  It’s mouse eyes that I work on. They’re dead – I don’t think it would be very comfortable for the mouse if it was alive for the process!
  
  Thanks for the great question!
  
  Ali

Question: When you use a piece of the eye for your work, what animals eye do you use or is it humans and are they dead or alive when you use their eye?