Ukubona: oko kwaye ukuba balwe njani

Iliso zinamalungu awodwa yovakalelo, nto leyo inceda phantse wonke umntu ukukhangela isithuba, ukuvavanya ihlabathi. Ukuba uyakwazi ukunika inkcazelo olugqityiweyo ngoko singqongwe. Kungenxa yoko le nto ezahlukeneyo Kukwaphula kuphela kunokubangela ukungakhululeki, kodwa iyakwazi ukulahlekisa umntu ndiwuhlutha nje naye ukuzithemba.

nokungaboni qho ezi ukubona kunye hyperopia.

Iimpawu ukubona

Ukubona (oko kukuthi, uyakwazi ukufunda eli nqaku), okanye, ngamanye amazwi, ukubona - ukungaboni, apho umntu kahle uyakwazi ukubona izinto kuphela ezikufutshane, nabo abo bakude, ubona ke ezimbi. Enigcoba ekugxilwe umfanekiso angawi kwiretina ngokwalo (linye umbono oqhelekileyo), kwaye phambi kwayo. Oku kuthetha ukuba ray refracted ngaphezu kuyimfuneko.

Isifo kwenzeka xa umntu zonke wesithathu kakhulu kwiplanethi yethu.

zesifo ephule ezinkulu

Ukubona (ochazwe ngasentla) waziwa kakuhle ezithile. Ngaphandle kokuba umntu uyayeka ukubona izinto kakuhle kuye ngokwakhe, ukubona luphawulwa mpawu zilandelayo:

• yakhiwe fifi lezinto;
• umhlaba ojikeleze isigulana, zidibana;
• kufuphi umbono ngokupheleleyo ayiphazamiseki.

Kuxhomekeke ibakala ukubona umntu, umfanekiso izinto ezikude ziyahluka ukusuka ngobulali ukuya ngokupheleleyo olungaqondakaliyo iikhonto kweso, kwezinye iimeko - nokuba nje iimitha ezimbalwa.

Kwimeko apho umntu ukubona kudityaniswe astigmatism, ehamba iimpawu ukuze ziquka:

• andiboni kakuhle;
• iimilo egqwethekileyo izinto;
• imigca ethe ngqo ubonakala nje egosogoso.

ukubona

Ukubona abantwana nabantu abadala unokuba shiyana:

• degree buthathaka lomonakalo (ngaphantsi kwe-3 diopters) lubonisa ubude iliso-1 mm ezinkulu norm, kunye kucacile izinto umehluko kancinane.
• wononophelo (ngaphantsi kwama-6 diopters) yi luphawu ukuba amehlo, oko kukuthi ixesha elide kunesiqhelo. Ngokuqhelekileyo, iinwebu abantu abanjalo kunye nempahla amehlo wazolula ngamandla, nto leyo ekhokelela yamehlo abuthakathaka. umbono Good kugcinwa kumgama 20-30 cm.
• Izinga eliphezulu (mkhulu kuno-6 diopters) linqanam inzima kuphuhliso lwe ukubona. Eye enokuphazamisa ezinjalo ilungiswe, kwiretina thinned kakhulu. Oku kusebenza kwi choroid. Esi sigulane asikwazi ukwahlula phakathi kweminwe ngokukhululekileyo, kodwa ifundeka kuphela kufutshane yamehlo, mabangabi ngaphezu kwe-10 cm.

Okukhona kakhulu ngesidanga bezityholo, i thinned ngakumbi side inwebu iso.

Imiba yomngcipheko ezikhokelela nokwaphulwa

Izizathu eziphambili apho basenokuba ukubona abantwana nabantu abadala zezi:

• yofuzo;
• buthathaka ijwabu sclera;
• umthwalo kakhulu kwi iliso (funda phantsi kweemeko zokukhanya, ilori, isixa esikhulu ixesha elichithwa ubukele umabonwakude okanye ikhompyutha);
• ukwenzakala ngoomatshini (ngethuba lokubeleka okanye ukwenzakala ubuchopho);
• ukungabikho izinto zokulanda umkhondo ethile, isenzo zigazi mayibhekiswe Yindibanisela sclera (ngakumbi, oku kufuna nezinki, yobhedu chromium).

Iindlela womzabalazo

Ukubona (ochazwe ngasentla) - sisifo kakuhle kakhulu unyango kunye nokulungiswa. Kukho iindlela ezininzi ezinceda balahle iimpawu zesi sifo:

1. ulungiso Iinkcukacha. Le ndlela unyango lubandakanya ukusetyenziswa iindondo okanye lenses, kuxhomekeke kubuzaza bezityholo. Amanqaku zingasetyenziswa njenge lens umlungisi ngokusisigxina njengoko kucetyiswa enxibe manqaphanqapha.
2. Imithi. Kulo mzekelo, siye wasebenzisa iziyobisi, ezinako ukukulumkisela ukubuyisela amandla izicwili amehlo. Noko ke, kufuneka kuqondwe ukuba iivithamini, antioxidants, mziba ezahlukeneyo okutsha ayikwazi ngokupheleleyo balahle izinto ezikufutshane kuphela. Iziphepha kuphela iingxaki kunokwenzeka yaye iya kugcina kwezihlunu emehlweni.
3. hardware Unyango. Le ndlela iquka iindlela ezahlukeneyo ezijolise ekuphuculeni unikezelo semehlo, kwaye kupheliswe spasm yokuhlala. Ukubona - yeyona ongaboniyo kakhulu ethandwa apho ibonisa indlela yonyango. Kwakhona lisetyenziswa njengendlela nokubuyisela emva kotyando.
4. unyango Steel. Njengomgaqo, esetyenziswa kwi iikliniki laser umbono ulungiso specialist.

Prevention of ukubona

Ukuthintela kungcono ngaphezu iponti gula. Oku kukwasebenza short-bisayo.

Yokuthintela ukuphazamiseka kubalulekile kakhulu ukuba zincede ziwubambe ngqo lo lococeko udidi lwembono, yaye ngokukhawuleza uqale ukwenza oko, kokukhona ithuba ukunqanda ukuvela iingxaki.

Kufuneka kwakhona ukuba ulandele kufanelekile nokukhanya amanqanaba ezichanekileyo xa esebenza etafileni, ukufunda. Zama ukuba ayaphela amehlo akho ngamaxesha ukubandulula uphumle, unako nokuba wenze umthambo ezithile kunye ukubona. Nqakraza kwi iingongoma ezithile:

• iminwe ezincinane - ngaphakathi kwenkulungwane ngelotha emgongxweni,
• forefingers - 2 cm kwisisu kwi ithambo,
• indlela yokuhlasela yesithathu umnwe, tipakani socket iliso,
• iminwe kancinane - ingongoma phakathi iintshiyi kunye nesiphelo olungaphandle ngelotha iliso.

Inani pressings kufuneka ibe amaxesha 36 kwingongoma nganye.

Ukongeza, lumkani ngenxa yokutya: kufuneka ibe iivithamini ngokwaneleyo kunye neetyuwa.

Ukuba uqala ukrokrela ukuba aphuhlise ukubona (oko kukuthi, inokufumaneka kwinqaku), musa ukoyika ukuba udibane nogqirha. Ukuba wenza oko kwexesha, ungenza iyaluthintela uphuhliso iingxaki ze kuhlala kwihlabathi elibangqongileyo.