Eye vision 6 5 means

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This 66 means your vision is the same as normal. 65 means you can read the letter from 6m compared with 5m for a normal person further away than a normal person- youve got better than normal vision. Conversely 660 means that what you read at 6m a normal person reads at 60m.

Not very good vision. 65 is a better visual acuity. 65 vision means that you can see at a distance of 6 metres what most people can see on average at a distance of 5 metres whereas 56 vision means that you can see at a distance of 5 metres what most people can see on average at a distance of 6 metres.

66 is considered a good eyesight but it is not perfect. Some people can see better than 66. So recently Ive had my eyes tested Andean the results it is said that I have 65 distance acuity in my right eye.

But what exactly does it mean. This means you can read from 6ft what the average person can read from 5ft. So you vision is slightly better than average.

It is about 69 to 624 for -1 eye and 618 to 648 for the other. In young humans the average visual acuity of a healthy emmetropic eye or ametropic eye with correction is approximately 65 to 64 so it is inaccurate to refer to 66 visual acuity as perfect vision. 66 is the visual acuity needed to discriminate two contours separated by 1 arc minute 175 mm at 6 metres.

This is because a 66 letter E for example has three limbs and two spaces in between them giving 5. This means that in a population of people with healthy eyes the best vision achieved would range from slightly better than average 65 or 64 to slightly worse 675. To give you an idea of what these values mean in our day-to-day life a person is legal to drive a car in the UK if they can achieve a vision measurement of 69 612 the ability to see at 6m what an average person.

075 If he has a negative number of diopters in his prescription it just means he is instead near sighted or myopic. He sees things up close probably pretty well in the eye with a negative diopter. If both eyes are around -6 diopters and assuming he doesnt have severe astigmatism on top of this strong near sightedness he probably needs relatively strong.

Therefore instead of using 2020 for normal vision a notation of 66 can be used. Someone with 2020 or 66 vision visual acuity is just able to decipher a letter that subtends a visual angle of 5 minutes of arc written 5 at the eye. 5 of arc is 560 of a.

If you score 6 6 it means you are able to see things located 6 metres awayThis is considered to be the normal condition. 6 9 denotes that you are seeing objects from 6 mtrs which are normally seen by a person who is at 9 mtrsIt implies that your vision is slightly below the normal condition. 6 m Decimal 4 m Log MAR.

4 125 15. 4 100 14. 4 80 13.

4 63 12. 4 50 11. 4 40 10.

4 32 09. 4 25 08. 4 20 07.

4 16 06. 4 125 05. Visual acuity result.

Posted 1st May 2011. Hi Im wondering if anyone can help me out with my visual acuity numbers. I have a score of 675 and need to know if this is better or worse than 660.

Show All Show less. According to those standards pediatricians should refer any child under the age of 5 with a visual acuity of worse than 2040 thats 612 in metric to an eye doctor. At age 6 and older they should refer any child with acuity of 2030 69 metric or worse.

More recently though a study called the Multiethnic Pediatric Eye. Hi there 2 out of 3 of my sons are long-sighted. My 6 year old has a straight 65 in each eye my 75 year old has OD 6 cyl 175 and OL 6 cyl 275.

The longsightedness had improved at the last visit down from 7 however the astigmatism had sharply increased from 05 to 175 and 1 to 275. 66 10 55 2020 69 07 575 2030 612 05 510 2040 618 03 515 2060 624 025 520 2080 636 02 530 20120 660 01 550 20200. Near Visual Acuity Conversion Chart.

UK at 40cm US at40cm Distance equivalent N45 2020 66 N5 2030 69 N6 2040 612 N8 N10 2060 618 N12 2080 624 N14 20100 630 N18 N24 20200 660 N36 N48. AThis means that the letters on the chart which should be read at 9 feet you are only able to see at 6 feet. In other words you are only short of one line on the chart.

We all have slight astigmatism and you should not worry about this at all. Glasses should improve the vision and relieve the eye strain or headaches if you are prone to it. Yes its indeed possible to have sharper than 2020 visual acuity.

In fact most people with young healthy eyes are capable of identifying at least some of the letters on the 2015 65 in the UK line or even smaller letters on the Snellen chart. Basically the higher the second fraction number the lower the visual function. In most other countries visual acuity is expressed using the metric system.

Since 20 feet is equivalent to 6096 meters 2020 vision is equal to 66 vision. RRB NTPC Eye Vision. How to check whether your eyesight is 66 69 or 612 618.

The fractions 66 69 or 612 618. Are measurements of Visual Acuity VA. VA denotes the clarity and accuracy of your vision and is typically checked at a distance of 20 feet 61 m.

This is more nearsighted than -100 and requires stronger thicker lenses. Similarly 100 would be a small amount of farsightedness and 5 would be more. Distance visual acuity means in these cases the distance isnt relevant eg.

At 6m 6000mm the height of a 66 letter is 873mm. At 60m it has to be 873mm and at 600m 873mm etc. At 6m the resolution is 1 minute of arc letter height is 5 mins of arc and thus 8735175mm is the gap size for a 66 letter.

Mr Glenn Carp The main concern of having 66 vision or 2020 normal vision really comes from whether you are based in the United Kingdom or you are based in America. It is really just to do with feet and metres. 66 means you see at 6 metres what an average person can see at six metres and 2020 is the equivalent in feet twenty feet versus.

The short answer if you wear glasses or contact lenses is that you probably already have 2020 vision if your prescription is up to date. Your prescription is designed to get you as close to normal or perfect vision as possible. And dont forget that in the UK we use 66 not 2020 6 metres 20 feet.

Astigmatism is simply the difference in curvature between the steepest and flattest curves of your cornea. If you think of the front of your eye as a bit like an egg or rugby ball one contour is more steeply curved than the other. In the eye it is very subtle but even a small difference in curvature means you have this condition.

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