Exercises counteract lazy eye

An innovative set of eye exercises enables people with amblyopia, or lazy eye, to improve their vision, researchers report.

Amblyopia stems from a youthful eye injury, disease, or defect that induces the brain to “give up” on signals from that eye. A patch over the good eye can reprogram the brain before the age of 8. Otherwise, the brain will remain hardwired to disregard input from the weak eye, scientists have thought.