Your eye has a lens inside it that focuses the light so that you can see properly. Play around with this simulation of how a lens bends and distorts light, and figure out if you can make an optical system that focuses light like your eye does!
Here are some things to think about when you explore the simulation:
Try to explain how your eye forms images by converging rays with the lens inside your eye.
Experiment with changing the parameters of the optic (radius of curvature, index of refraction) to see how they affect where the image is formed and how it appears. How does this connect to the size and shape of your eye?
Ophthalmologists like Dr. Patricia Bath do research to better understand vision and fix any problems people might have. Read more about her work to cure the most common cause of blindness in the world: cataracts.
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