1. What is the height of an average human eye ball?
    1.   two-and-a-half centimeters
    2.   a fraction over two centimeters
    3.   two centimeters
  2. The medical laboratory has been producing artificial eyes since…
    1.   World War I
    2.   World War II
    3.   the Opium War
  3. Where is the medical lab?
    1.   Paris
    2.   Blackpool
    3.   not given
  4. How is the iris of an artificial eye painted?
    1.   by hand
    2.   by machine
    3.   not given
  5. How long does it take for an iris paint to be dried?
    1.   18 hours
    2.   8 hours
    3.   not given
  6. Is the white of an artificial eye made before the iris is painted?
    1.   yes
    2.   no
    3.   not given
  7. Is the white of an average human eye purely white?
    1.   yes
    2.   no
    3.   not given
  8. What is applied over the top of an artificial eye before it’s sealed in an oven?
    1.   a coat of clear acrylic varnish
    2.   a coat of colour paint
    3.   a layer of silky fibers
  9. An artificial eye can last 6 years if it is …
    1.   washed thoroughly.
    2.   polished perfectly.
    3.   looked after properly.