Indlela ukuba amehlo akho ekhaya. amacebiso elula

Umoya amaxesha - phantse ubusuku nemini zihlala yeskrini. Kwakhula kudala ngqo phantse ngaxa lithile, baqale qaphela ukuba kuba akuqondakali. Kwaye xa efunda incwadi kukho umnqweno akathi kude emehlweni.

Njengomthetho jikelele, xa iingxaki kunye nombono kuqala ujonge kwi-intanethi, indlela ukukhangela umbono kweli khaya. Khangela acuity ebonwayo - yinto uvavanyo ukukwazi kwakho ukwahlula phakathi kwiindawo ngamnye. Amehlo check kude omkhulu, bangegqithi, emva kweminyaka engama-40, khangela kufuphi umbono. Inkqubo eqhelekileyo ekuhloleni zamehlo asayine ngummi.

Indlela ukukhangela umbono kweli khaya? Ungasebenzisa iintlobo zovavanyo ukusuka kwi Internet, okanye uprinte yonke le eziqhelekileyo uvavanyo etafileni kwaye ijinga phezu kodonga,-5 seemitha iliso ngamnye ngokwahlukeneyo ukuzama ukufunda oonobumba thotho 12. acuity Visual ka 0.1 - kumqolo ongentla kunye 2.0 - kumqolo ongezantsi. Ukuba uyakwazi ukufunda kumgca we-10, umbono eziqhelekileyo. Kungenjalo, uqeqesho oluyimfuneko.

Kukho enye indlela ukuba avavanywe amehlo akho ekhaya. Kuyimfuneko ukuba babukele kunye nemitha ezi-3 zithathwa yi kwimigca 0.5 cm Umntu ogama umbono eqhelekileyo kumacala ahlukeneyo ileta "E", abone ngokuchanekileyo ulwalathiso lwabo :. Bottom, phezulu, ekhohlo okanye ekunene.

Zonke iindlela ekhaya - neyiyo acuity ezibonwayo, ekubeni umahluko obalulekileyo isifundo esinjalo ngakumbi phakathi iimpawu ezibonakalayo kunye ukhanyiso. Ngoko ke, ngaphandle emangele ukuvavanya indlela umbono ekhaya, kungcono uye zamehlo.

Yintoni na umbono eqhelekileyo?

Le acuity ezibonwayo zithelekiswe umboniso oqhelekileyo abantu abangakwaziyo ukufunda oonobumba kwimiqolo asezantsi itafile kumgama oziimitha ezi-6. 6/6 okanye 20/20 iinyawo - umlinganiselo acuity olubonakalayo obuqhelekileyo. Inombolo yokuqala umgama ukusuka apho umbono ngetshekhi. Inani yesibini umgama ukusuka apho abantu begula kakuhle uyakwazi ukufunda umgca enye phezu kwetafile.

Ukuba inani lesibini incinane inani lokuqala - ngcono imigangatho, ukuba ngaphezulu, ngoko ngaphantsi eqhelekileyo. Index 20/10 (6/3) kuthetha ukuba umntu ubona kumgama oziimitha ezi-6, yaye le ndoda imbono yakhe intsebenzo kuluhlu eqhelekileyo, funda le umgca ukusuka kwiimitha ezi-3. Ukuze ufumane inkcazelo engakumbi, egqalwa umbono eqhelekileyo, ingafunyanwa kuphela zamehlo.

Umsebenzisi, akukhangela esweni ikhusi, izihlunu iliso ziwase. Ngu nendalo luphawulwa uthsintsho. Ubude bomsebenzi kunye xi nokwanda - ezi ezongezelelweyo ukukhathaza amehlo. Ukongeza, nesisitheliso njengomthombo ukukhanya umahluko esebenzayo isixhobo, lo gama ephepheni plain - umahluko nje. Umfanekiso sikrini dynamically nempinda njalo, nto leyo ebangela yokudanyaza. Ngenxa yoko, amehlo akho ndidiniwe, kukho ebuhlungu, ukuba nochuku, ukungakhululeki Wayesoyika ntshikilelo. Isiphumo ibalulekileyo computer ngamandla ayo kukhokelela kuphuhliso ukubona.

Kunokuba kusikhusela omkhulu ekusonjululweni kwimonitha, yaye ngaloo ndlela umfanekiso echanileyo ngakumbi kwaye zicacile. Kulo mzekelo, oku kunciphisa fatigue omzimba olubonakalayo. Ngamaxesha athile zifo sijonge amehlo akhe ukusuka esweni ukuya ecaleni, kwaye wenze umthambo ezilula imithambo emehlweni.

Le ngenxa ukusebenza rhoqo kwi computer yi "syndrome iliso owomileyo", into ethetha ukuba omiswe of umphezulu ocular. Okuthintela Kucetyiswa oku kulandelayo: zazhmurte kakhulu, uze uvule amehlo akho emva kwemizuzwana 2-3. Uphinde amaxesha 10-20. Musa ukulibala ukuba umbono computer kwaye ezihambelanayo kakhulu.

Musa ukuba uyonqena, thatha iyure nganye imizuzu 2-3 kuphela lo msebenzi elula, yaye oko kuya kukunceda ekulondolozeni umbono. Musa ukulibala ukuba ngaba umbutho emehlweni, sifumana 90% yazo zonke iinkcukacha ezivela ngaphandle.