A person can have 20/15 vision and demonstrate sharper visual acuity than the average population.Ģ0/20 vision does not mean perfect vision. While some believe that 20/20 vision is the same as perfect vision, it is not. Eye doctors will use eye charts, like the Snellen Chart, to measure visual acuity. When you have 20/20 vision, you can see what an average person can follow in an eye chart 20 feet away. While not entirely bad, some people with a 20/25 vision feel uncomfortable and they opt to wear corrective eyewear.Ģ0/20 vision is considered normal visual acuity. This means a person is able to clearly see an object from 20 feet when the average person can see it from 25 feet. You are not legally blind if your vision is better than 20/200 when you wear glasses or contacts.Ī 20/25 vision is a measurement of visual acuity. You are considered “legally blind” when your best-corrected vision with glasses or contacts is 20/200 or worse. When you wear eyeglasses or contact lenses, you could enhance your vision to 20/20 with little effort.įor you to hold an unrestricted driver’s license, most states require that you have a 20/40 vision or better. Standard visionĮye doctors consider 20/20 vision to be standard. This could be uncomfortable for you, and eyewear could be an easy solution for this vision problem.

If you have 20/25 vision, it means you have trouble seeing items at a farther distance compared to the average person.

Yet, you should take into account two aspects: 1. This is different from people who have 20/20 vision, which is considered normal visual acuity. In other words, objects that are clear to someone from 25 feet are only clear to you from 20 feet. If you have 20/25 vision, it means that your vision is not as good as average. We’re here to help.Best Place to Buy Contacts: 1800 Contacts What Does 20/25 Vision Mean? It might just be that your glasses need a really good clean (we’ll do that for free), that it’s time for some reading/varifocal glasses in some extremely cool frames or that your prescription has changed. We promise this is our last mention of it! If you can’t see clearly and/or haven’t had an eye examination for a while, pop in or give us a call and book an appointment. You might need glasses for another aspect of your eye health too and, to answer one of our most frequently asked questions, you can have EnChroma® glasses with non-prescription and prescription lenses 20/20 in 2020 As we get older, our clarity of vision at 20 feet can still remain ‘normal’ but our vision close up (reading, close work etc) deteriorates (see our post on varifocal sunglasses) and we need reading glasses. Can you have 20/20 vision and still need glasses? Opthamologists still use the principles of the Snellen Chart which has developed into a LogMAR chart which measures things in a slightly different and more accurate way.Īs a guide though, if you have 20/100 vision, you need to be 20 feet away from what a ‘normal’ person can see clearly from 100 feet away – so 5x closer. 20/20 vision was made metric as 6/6 (6 metres) vision – but obviously that doesn’t work so well with years like this one! Snellen created special characters (optotypes) and placed them set distances apart (lots of physics going on) and used these to assess how clearly people could see them.Ģ0/20 vision was his definition of ‘normal’ – being able to see a certain size of letter (or thing) clearly from 20 feet away. Herman Snellen created the chart of letters that we all associate with an eye test – the one of (usually) 11 lines with the huge letter at the top going down to the really tiny letters at the bottom. We also look at the health of your eyes, your peripheral (side) vision, your colour vision and a host of other things. It’s part of what we test during an eye examination but not the be all and end all. It’s a measurement of Visual Acuity using a scale created by the Dutch opthamologist Herman Snellen in 1862. What is 20/20 Vision?įirst of all, it’s not ‘perfect’ vision. Rather than churn out the standard ‘we’ll make sure you have 20/20 vision in 2020’ phraseology, we thought we’d explain what 20/20 Vision actually is. 2020 is upon us – with pretty much every optical establishment (and plenty of other businesses!) in the country jumping on the marketing opportunities (and puns) that this year provides us with.

Define 2020 vision