• Question: why do we have diffrent colour eyes and does it effect our vision? also the rest of my family has blue eyes and i am the only person in my family with green eyes why is this?

    Asked by to Andrew, Elaine, Emma, Michael, Nancy on 17 Jun 2014. This question was also asked by .
    • Photo: Nancy Carlisle

      Nancy Carlisle answered on 17 Jun 2014:

      Our eye colour is determined mainly by our genes. Just like different people have different hair colour and different skin colour, eye colours differ between people too. Here is a link to a website from The Tech Museum of Innovation that explains more about how eye color is determined : http://genetics.thetech.org/online-exhibits/what-color-eyes-will-your-children-have

      I don’t think our eye color has any effect on our visual acuity- does anyone else know?

    • Photo: Michael Kelly

      Michael Kelly answered on 19 Jun 2014:

      People with darker eyes less dazzled by bright lights. There is some evidence that people with blue eyes and fair skin colour eyes that are more sensitive to pain, but the evidence for this weak.

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