What does 20/20 vision mean? When you visit your doctor or an eye care professional, you may be asked to read an eye chart. You may be told you have normal 20/20 vision. What does that really mean? An ...

When a person has 20/20 vision, they can see with standard visual acuity. This refers to the sharpness or clarity of an object 20 feet away. The general standard that corrective measures try to ...

Caring for your eyes and vision are important parts of a healthy lifestyle. Vision screening is a simple test of your vision that can detect problems early. An eye exam is a detailed check of your ...

Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

Most people visit their eye doctor when something feels off—blurry vision, eye irritation, headaches, or when it’s simply time for new glasses. But what if your eye care worked more ...

That wide-ranging impact is why Popular Science chose the drops as the 2025 Health category winner. This year’s list also ...

As stay-at-home orders drag on, many of us are looking for ways to DIY tasks we used to outsource to professionals. While self-treating anything you’d normally visit a doctor for requires more care ...

Her eye chart tests showed improvement. It took a radical experiment to find out why her reality wasn’t matching up. By Lisa Sanders, M.D. The burning started as soon as the 59-year-old woman put the ...