A physical eye model made of a water balloon and a convex lens is described. It can be used to model how an image is formed in the eye as well as shortsightedness and farsightedness. The model is unique in featuring a fluid-filled “eyeball” with “intraocular pressure,” making it a useful tool for teaching about accommodation and glaucoma. Instructional ideas for the model are suggested.
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17 July 2020
A Water Balloon Eye Model for Teaching about the Human Eye
Kwok-Chi Lau
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The American Biology Teacher
Vol. 82 • No. 5
May 2020
Vol. 82 • No. 5
May 2020
eye
eye model
glaucoma
interocular pressure
physical models