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=Have you ever looked at the sun and noticed you can still see it when you close your eyes?=



Well if you have, let me tell you that you should not be looking at the sun! It is very damaging to your eyes and can even cause you to go blind!
=But let's not focus on that and instead lets focus on what happened that made you see the image even after you were no longer looking at it.= Do you know what is happening with your eyes when you can see the "after image" even though your not looking at the image anymore?

First lets take a look at our eye =Who can identify a part of the eye?=

Before we learn more about how the image forms on the retina, lets do an activity.