The electroretinogram (ERG) is a diagnostic test that measures the electrical activity of the retina in response to a light stimulus. This test is done to detect disorders of the retina. It is also useful for determining if retinal surgery is recommended.
Contact Lens Care 101

Oftentimes, contact lens wearers will skimp on their lens care because some of the solutions are costly and it seems like a good way to save some hard-earned cash. But this is not a good idea.
Cutting corners can result in infections or...