This activity is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Learners look through two cups with small holes in them to simulate what it's like to have glaucoma. Percy Julian helped make an eye medicine for people with glaucoma called physostigmine (pronounced fie-so-STIG-meen). Experiencing the effects of glaucoma can help learners better appreciate the importance of Julian's chemical research.
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