When people think of having perfect vision, 20/20 is probably the first thing that comes to mind. This number has been considered the ideal when it comes to vision, but where does that number come from, and what exactly does it mean? The number assigned to an individual in relation to their vision can determine a lot and is important when it comes to assigning a prescription and administering eye care. Knowing how eye exams in Cape Cod, MA work and what the numbers really mean can give you some insight into what you can expect from an eye exam and whether it’s possible to have vision that’s even more ideal than 20/20.
How eye exams work
The number that a doctor assigns to your vision is based on something called the Snellen visual acuity system. In this system, the top number of the fraction is the viewing distance between a patient and the eye chart, typically 20 feet, and the second number is determined by the patient’s ability to correctly identify letters on the chart. One of the smaller lines of the chart is scaled to provide a standardized benchmark for what an average person’s visual acuity should be. This line is referred to as the 20/20 line. If you are able to identify letters on the 20/20 line but nothing smaller, you are considered to have 20/20 vision. If you are unable to make it past the larger lines of letters, your measurements will be larger numbers like 20/30, 20/40 and so on.
Is it possible to have vision better than 20/20?
Even though 20/20 is the standard or average vision measurement based on the Snellen visual acuity system, it is by no means the best that it gets in terms of vision. If you are able to identify letters below the 20/20 line, you might be able to achieve 20/15 vision, which is sharper than 20/20. In general, young, healthy people will be able to move past the 20/20 line and identify smaller letters on the chart. Regardless of where you fall when you get eye exams in Cape Cod, MA, you can always achieve clearer and sharper vision if you are unhappy with your eyesight as it is. Prescription glasses and contact lenses can make a huge difference in what you will be able to see.
Getting eye exams in Cape Cod, MA
If you’re ready to see how your vision stacks up against the ideal, or if you’re not seeing things quite as clearly as you’d like to be, you can get a professional eye exam from the optometrists at Bayview Optometrics. Our experienced, trained and knowledgeable team of optometrists and vision specialists can test your vision, assess any impairments you might have, outfit you with a stylish new pair of glasses and treat you for any eye-related issues that you are experiencing. If you’re interested in finding out more about our services, give us a call today for more details. We look forward to helping you!