20/20 is the standard Visual Acuity of “normal” vision, but a person can have vision that is better than or worse than “normal.” The specifics around a person’s quantity and quality of peripheral vision (how well someone sees off to the side without turning their eye) is outside the scope of this article. If a person has 20/20 vision, it means they see as much as a person should see when driving, reading a book or watching TV. So, Jack says that Jill “is 20/20.” What does that mean?Ģ0/20 vision is a measurement of central Visual Acuity, this is essentially the quantity of a person’s vision – how much they can see.
Jack: “Do you need glasses or contacts, Jill?”
When a person doesn’t need glasses or contacts to see, we say that that person “is 20/20,” right? For example: When we discuss the customized treatment with our patients, many times they ask questions like, “What does 20/20 actually mean?”, “What is the difference between quantity of vision and quality of vision?” In this article, we answer those questions and how they relate to LASIK at 20/20 Institute. This approach of utilizing only our most advanced treatment technology for every patient takes advantage of one of the most significant advancements in LASIK, Wavefront Optimized® LASIK, which is designed to improve both the patient’s probability of achieving a 20/20 or better visual result and to give the patient the best chances for quality night vision. When any patient visits 20/20 Institute for LASIK and is a good candidate, our LASIK Specialists customize a treatment plan designed to maximize each eye’s probability of safely achieving 20/20 or better vision. The majority of patients achieve better than 20/20 vision when they come to us for LASIK.
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