Today on our Health Talk feature we discuss vision loss. What is it. Medically it is a decreased ability to see to a degree that causes problems to fixable by usual means such as glasses. What are the most common causes of vision loss. Is there a difference between visual impairment and blindness. What are the symptoms and is it preventable

GUEST: Professor Trevor Carmichael, A Professor of Ophthalmology at Wits University and in the Private Practice.