to clarify, too much “near work” for the eyes is a risk for myopia. That include...

to clarify, too much “near work” for the eyes is a risk for myopia. That includes reading books all day.

My point is, watching an educational tv program like PBS for 30 minutes in the evening will not be the cause for your child wearing glasses.

The biggest predictor of good vision from the scientific studies is lots of outdoor time. This is most important from ages 6 to 11.