character: Mr. Lee
topic: The Role of Lenses in Optometry
grade: 10
subject: Physics
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character: Dr. Smith
topic: Understanding Light Refraction
grade: 10
subject: Physics
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character: Ms. Johnson
topic: The Physics of Vision
grade: 10
subject: Physics
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character: Mr. Wang
topic: Applications of Convex and Concave Lenses
grade: 10
subject: Physics
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