If your child has a lazy eye, you probably think you would notice.
However, in some cases, only an eye exam can detect it.
Alblyopia, or lazy eye is characterized by poor or blurry vision in an eye that is otherwise physically normal.
The only way to fix it is to force the brain to develop pathways to the lazy eye.
Lisa Rose's eight-year-old daughter was diagnosed with amblyopia a few years ago.
Doctors told her to cover the strong eye with a patch, forcing the lazy eye to do all the work.
"We started out with, everybody's probably seen them, those band-aid eye patches. And the third day we peeled it off her skin; she was screaming," explains Lisa.
Lisa decided to make her own eye patches and since then, has turned it into a profitable business.
The patches cost $10 dollars.
To order one, you can go to http://lazyeyepatches.com/.