6 6 and 6 9 eye sight means 6 6 vision is considered normal or perfect vision while 6 9 vision indicates slightly reduced visual acuity Vision is measured using a Snellen chart which consists of letters or
6 9 vision is a measure of visual acuity with 6 9 indicating that a person can see at 6 meters what a person with normal vision can see at 9 meters The anatomy of the eye The top line on the chart is designated 6 60 The second line up from the bottom on most charts is 6 6 and represents normal sight commonly known as 20 20 vision particularly in the USA as 6 metres is equivalent to 20 feet
6 6 and 6 9 eye sight means
6 6 and 6 9 eye sight means
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Visual acuity is measured using a fraction with 6 6 indicating normal vision If someone has 6 9 vision it means they can see at 6 meters what a person with normal vision sees at 9 meters Here s a breakdown of the differences 6 6 If you have an eye exam and are told you have 20 20 or 6 6 vision does this mean you have perfect eyesight Is it possible to achieve even better than 20 20 vision And
If you have an eye exam and are told you have 20 20 or 6 6 vision does this mean you have perfect eyesight Is it possible to achieve even better than 20 20 vision And what is perfect vision anyway Many people refer to perfect vision as 6 6 or 20 20 US notation measured in feet but this is not strictly true these terms refer to average vision
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The vision chart is all about lines letters and strange squiggles The top line on the chart is designated for 6 60 vision The second line from the bottom is 6 6 and represents The ability for a person to read or see the last line on the visual chart is recorded at a test distance of 20 feet or 6 metres and defined by terminology 6 6 vision normal 6 9 one line
A 6 6 vision in the metric system or a 20 20 vision in the imperial system is a common way to describe having perfect eyesight But what do these figures signify and are they the pinnacle In this detailed guide I ll explain exactly what 6 9 and 6 12 visual acuity refers to how they compare for vision clarity what causes them and tips to protect your eyesight
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6 6 and 6 9 eye sight means - If you have an eye exam and are told you have 20 20 or 6 6 vision does this mean you have perfect eyesight Is it possible to achieve even better than 20 20 vision And what is perfect vision anyway