Refractive errors often are the main reason a person seeks the services of an optometrist or ophthalmologist. But what does

Eye exams don’t have to be mysterious or scary. The following articles explain the importance of eye exams, what happens

On this page:  What’s the difference between visual acuity, eyesight and vision? • What is 20/20 vision? • Seeing better than 20/20• What is

On this page:  What “20/20” means• Tumbling E eye chart• Jaeger eye chart • Limitations During an eye test, eye doctors use eye charts

On this page:  Symptoms • Testing contrast sensitivity• Contrast sensitivity function• Treatment A contrast sensitivity test measures your ability to distinguish between finer and

So, you’ve just had an eye exam and your optometrist or ophthalmologist has given you an eyeglass prescription. He or