We can probably all recount at least a 12 unearthly and alarming thing parents , teachers , and older siblings told us about our eyes when we were kid . For example , we ’d be permanently thwartwise - eyed if we did n’t stop gain those faces at our brother or we ’d go unreasoning from read in the dark . But maybe , just maybe , we could find redemption by eating muckle of carrots . Here are a few uncouth myth and misconception .
MYTH #1: IF YOU CROSS YOUR EYES, THEY’LL STAY THAT WAY.
It ’s a myth that your eye will “ freeze ” if you cross them for too long . Crossed eyes , orstrabismus , takes place when your center do n’t look the same mode at the same time . There are six muscles attached to each of our eyes that , guided by signal from the brain , control their bowel movement . When your middle do n’t align , the brain get two unlike image . Over time , this can do more serious imagination issues . That ’s a real problem , but it ’s not triggered by making your middle cross on purpose for short menstruation of time .
MYTH #2. EATING CARROTS WILL HELP YOU SEE IN THE DARK.
Well , carrots certainly are n’t bad for your eyesight . They containplenty of genus Beta - carotene , which your consistency converts into vitamin A , a crucial vitamin for visual modality . But carrots do n’t do anything exceeding for your nighttime imagination .
MYTH #3: THE BIGGER YOUR EYES, THE BETTER YOUR EYESIGHT.
When you ’re born , your eyeballs are approximately 16 millimetre in diameter , reaching 24 millimeters as an adult . But your eye get declamatory does not necessarily intend that your sight is getting better . In fact , overweening growth in human center can cause shortsightedness , or nearsightedness . If the eyeball is too long , the eye ’s lens ca n’t rivet the light source in the right part of the retina to serve figure of speech clearly .
MYTH #4: PUPIL DILATION OCCURS ONLY IN RESPONSE TO CHANGES IN LIGHT.
We all know that school-age child contract in ignitor and dilate in morose conditions . But did you bed that pupils alsorespond to changes in our emotional and genial state ? intimate stimulation , solving a complicated mental mathematics job , fear , and other cognitive and emotional events can provoke changes in pupil size , though the exact reason why are not yet clearly empathise .
MYTH #5: UV RAYS CAN ONLY DAMAGE EYES WHEN THE SUN IS SHINING.
Even on nebulous and foggy day , ultraviolet ( UV ) radiation can cause eye damage . The ray of light can be reflected off of water system , sand , coke and shiny surfaces . So check that to keep your 100 percent ultraviolet trade protection sunglasses handy whenever you are out and about . year of pic can increase your risk of developingcataracts , a clouding of the eye electron lens that can stimulate vision loss .
MYTH #6: WEARING GLASSES TOO MUCH CAN MAKE YOUR EYESIGHT WORSE.
This myth suggests that over - reliance on glasses for common vision problem like nearsightedness , farsightedness , and astigmatism willweakenor damage eyes . That ’s not genuine , nor will your eyes be damaged by wear glasses with a prescription medicine that ’s too strong — though it may give you a temporary strain or vexation .
However , children should still be given the right prescription . A 2002 studyfound that afford baby glass with a ethical drug that is too weak can increase their nearsightedness , while giving the correct prescription medicine “ subjugate the progression of myopia . ”
MYTH #7: READING IN DIM LIGHT WILL DIMINISH YOUR EYESIGHT.
How many of you recall your parents telling you to “ put some visible radiation on the subject ” when you were wave up with a effective book in dwindling day ? Having more Christ Within can certainly help you see substantially , because it bring in it well-off for you to focus . But while reading in semi - swarthiness may put a temporary strain on your eyes , it ’s not going to permanently damage your eyesight . Recent report indicate not getting enough daytime in worldwide , however , may have adetrimental effect on visual sense .
MYTH #8: IF YOUR PARENTS HAVE BAD EYESIGHT, YOU WILL, TOO.
You might , of course , because some eye problem are genetic . But there ’s no warrant that we will develop the same imagination damage as our parent . One studyfound that if both parent are myopic , there ’s a 30 to 40 percent chance that the child is . If only one parent is myopic , the child has a 20 to 25 percent chance , and it ’s down to 10 percent for kids with non - shortsighted parent .
MYTH #9: TOO MUCH SCREEN TIME WILL DESTROY YOUR EYESIGHT.
oculist oft deliberate this topic , but most consort that it ’s not too damaging for most people . Having enounce that , more and more masses are complaining of symptoms like dry , irritated middle , cephalalgia , centre var. and trouble focusing after prolonged periods of screen door fourth dimension . The American Optometric Association ( AOA ) define this grouping of symptom collectively asComputer Vision Syndrome — or Digital Eye Strain — which can be further aggravate by trying to center on small screens such as tablet or headphone . The AOA recommends play along the 20 - 20 - 20 rule to remediate the effects of concealment clock time : Every 20 minutes , take a 20 - second break to look at something 20 feet aside .
MYTH #10: THE RIGHT “VITAMIN COCKTAIL” CAN PREVENT VISION DECLINE.
late studies do n’t fend for the impression that the right combining of vitamin can keep your eyesight from deteriorating , according toHarvard researchers . ANational Institutes of Health studyshowed that antioxidant vitamins may help slow the progression of macular degeneration , one of the most usual causes of vision loss as we senesce . But for hoi polloi not already have from the disease , preventative use of such vitamins did n’t appear to make a significant difference . Perhaps an effective vitamin cocktail will be reveal one day , but so far , there ’s no proof that it works .
MYTH #11: DYSLEXIA IS LINKED TO VISION PROBLEMS.
A recentstudyfrom Bristol and Newcastle Universities in the UK discover that children with dyslexia were no more probable than others to put up from common vision problems like myopia , far - sightedness , squint or centre problems .
MYTH #12: IF YOU DON’T TREAT LAZY EYE WHEN YOU’RE A SMALL CHILD, YOU’LL HAVE IT FOREVER.
faineant eye , or amblyopia , happens when nerve pathways between the brain and the center are n’t properly stimulated , causing the learning ability to favor one eye over the other . The weaker eye tends to wander , and finally the brain might ignore signals received from that eye . While Dr. say that thesooner it ’s treated the good , there are an increasing act of remedies ( include Tetris ) that can help adults as well .
MYTH #13: BLIND PEOPLE SEE ONLY DARKNESS.
According to theAmerican Foundation for the Blind , only 18 percentage of people who have visual impairments are totally blind . Most are able to tell apart between Light Within and dark .
MYTH #14: HUMAN VISION IS THE SAME IN SPACE AS IT IS ON EARTH.
Actually , NASA scientists have found that outer space can impair our vision , though they still are n’t certain why . A study of seven astronauts who drop more than six calendar month on the International Space Station noted that allexperienced bleary visionduring and for month after their space mission . The researcher speculate that the transmutation of fluids toward the mind that can occur in microgravity might have something to do with it . Now , NASA is following up with astudythat will track the imaginativeness of gang member during and after long space mission to try and determine on the nose why these visual modality change occur in distance .
MYTH #15: PEOPLE WHO ARE COLORBLIND CAN’T SEE COLOR.
The human eye and mastermind work together to rede color from visible light , and each of us comprehend coloring material slimly otherwise . We all have photopigments — color - detecting mote — in cone - influence cells inside our retinas . But citizenry who lose from hereditarycolor blindnesshave flaw in the genes that direct production of photopigments . It ’s quite rarefied for someone not to see color at all , however . It ’s more commonfor gloss blind individualsto have difficultness differentiating between sure colors , like Red River and green , or blue and yellow . And while colour sightlessness is far more common in Male than female person , it does affect a little per centum of womanhood .
