Understanding cataract output

The aim of public health is to deliver interventions to avert human suffering. These interventions are also referred to as prevention strategies. The need for cataract prevention strategies is huge, given the tens of millions of people who are blind or visually impaired as the result of cataract. In this step we look at the public health strategies used to prevent and control cataract blindness.

Think about how many cataract surgeries are done in your setting each year. What is the level of visual impairment at which cataract surgery is offered to patients?