Some Blind People Use Echolocation to 'See'

Title: Some Blind People Use Echolocation to 'See'Category: Health NewsCreated: 1/1/2015 12:00:00 AMLast Editorial Review: 1/2/2015 12:00:00 AM

Source: MedicineNet Eyesight General - January 2, 2015 Category: Opthalmology Source Type: news