Day 112 What is the focus of our eyes?

What is the focus of our eye? Jesus says..."Your eye is the lamp of your body. When your eye is healthy, your whole body is full of light, but when it is bad, your body is full of darkness. Therefore be careful lest the light in you be darkness. If then your whole body is full of light, having no part dark, it will be wholly bright, as when a lamp with its rays gives you light.” Is this like if our eye focuses on the light..."light of Christ in light of Christ out" and the alternate..."garbage in and garbage out?" What are our eyes focusing on? (For more read day 112, November 2006).