Why do we need glasses? 3eg71

How do glasses work? Why do some people need glasses and other people don’t? Why do we have...

How do glasses work? Why do some people need glasses and other people don’t? Why do we have different eye colors? We answer your questions about glasses and eyes in the second of two episodes with Dr. Sujata Singh, a pediatric ophthalmologist at the University of Vermont Medical Center. And we hear from Maggie, a kid with low vision, about what it’s like to need glasses. 

our learning guides: PDF | Google Slide | Transcript

Can snowstorms have thunder? 1 año 32:56 How do invasive species take over? 1 año 28:12 What is a solar eclipse? 1 año 29:18 Why do ballerinas wear ballet shoes? 1 año 18:43 How do crocodiles chomp? 1 año 32:43 Ver más en APP Comentarios del episodio 6l634o