Blogs

What Does Depth Perception Mean? Depth perception is the visual ability to perceive the world in three dimensions and the distance of an object.Depth perception makes it possible for your eyes to determine distances between objects and to tell if something is near to you or far away.Your eyes work together to make this happen, meaning you must have binocular vision, also known as stereopsis. What Affects Depth Perception? The...

What Causes Glasses to Loosen? Eyeglasses can loosen, which requires adjustments. If you are new to wearing glasses or you’ve never had loose glasses before, you might think you need a professional to fix the problem. The good news is, this usually isn’t the case, and you can tighten your glasses at home. Glasses loosen for many different reasons. Most people put on and remove...

Legal Blindness Definition The term "legally blind" actually comes from the government, not your doctor. The U.S. Social Security Administration (SSA) uses this term to determine who is eligible for certain disability benefits, tax exemptions, and low vision training. In the United States, an individual has legal blindness if: Their vision with glasses or contacts is 20/200 or worse, or Their visual field is 20...