Izifo ezoyikekayo - yoma optic

Umntu ngokwenene sisidalwa ekhethekileyo. Yonke imihla babacukucezela ulwazi oluninzi olubonakalayo kwamehlo ethu. Asinayo nofifi ngayo imisebenzi enzima kwenzeka, ukuze umntu abone umfanekiso ocacileyo kuye. Ngenxa pulses wevidiyo iphumele luvo optic, siya abangaboniyo ukuqonda bume.

Nangona kunjalo, kukho iimeko apho eminye imimandla ivaleke. Le yoma of the luvo optic. Ngelishwa, isifo ngokuya sichaphazela abantu abatsha. Khawucinge nje into yintlekele esi sifo kuba izele amandla kunye namandla abantu. Kwiimeko ezininzi, ukuba yome ka-luvo optic ephelekwa efe aphela liqine. Kude kube kamva nje, phantse zonke olu hlobo sifo kubangela yimfama buso yaye akaphenduli kunyango. Oogqirha babekholelwa ukuba nemithambo inyama akukho awukabuyi, nakwiindawo atrophied ilahlekile ngonaphakade. Ngoku, abaninzi ophthalmologists bathi oku kulandelayo: ukuba angakwazi luvo ngokuyinxenye, umbono kubuyiswa.

Kuxhomekeka eziliqela iimeko, kukho iindidi ezininzi zesi sifo. Kukho eziziprayimari nezizisekondari optic yome. Kwimeko yokuqala, esi sifo umlinganiswa ngamnye, yaye owesibini, isifo okubangelwa zezinye iinkqubo arhabaxa. Kuxhomekeka ukonakala kwazo kwi-luvo optic umahluko phakathi yoma oluphakathi kunye epheleleyo. Ikhosi ye sifo ngokucalula nokwahlula isifo semilo elinenkqubela kulungisiwe.

Ukuba sithethe malunga yoma yezizathu, ukuze babe ezahlukeneyo. Cinga ezona ziphambili: izifo iliso kunye imithambo yegazi, a glaucoma ezaziwayo-kakuhle, imiphumo enetyhefu kotywala inicotine, ukudumba ebuchotsheni, izifo ezahlukeneyo esosulelayo. Ukuze siqonde indlela sifo sichaphazela umbono somntu, kuyimfuneko ukuba ufumanise ukuba kwenzeka ntoni xa begula. Inye indlela yokufumana phandle.

Ubume luvo optic ufana ucingo ngefowuni. Enye isiphelo esiya retina, kwaye eyesibini liqhagamshelwe ebuchotsheni, apho imela ulwazi ividiyo yonke. I-luvo optic yenziwe inani elikhulu kwimicu ugqithiso ezithi camera. Khawufan 'ucinge nje: Ebubanzini "ngcingo" Akukho milimitha ngaphezu kwezihlandlo ezibini, yaye "imisonto" ngaphezu kwesigidi. inxalenye nganye kwezi ngefayibha inoxanduva yokugqithisela uhlobo oluthile kumfanekiso. Kwimeko aqhawukayo, zibizwa ngokuba kukho "imimandla cwaka". Akaphume ukutshintsha njalo engile umbono ukubona zonke izifundo eziqhelekileyo. Kungenxa yoko le nto yome ka-luvo optic nebangela kabi: linciphise intsimi lwembono, kukho ntlungu kwenzeka ngexesha iintshukumo amehlo. Kwezinye iimeko, ukutshintsha imbono umbala.

Ngelishwa, yoma le luvo optic, iimpawu ezidweliswe ngasentla - sisifo ngoku ayisombululeki ngokukhawuleza. Umsebenzi ophambili kuba zamehlo yi "imvuselelo" Imicu ezininzi luvo. Kuphela kule meko iya kubakho iziphumo ezincumisayo alulame. Ngokuba lo abe ukukhuthazwa luvo optic esebenzisa alternating owahluke ngokwemvelo, umbane, kunye laser. Into esemqoka - uxilongo oluchanekileyo kwi zigaba zokuqala zesi sifo. Xa usebenzisa ukuvusa magnetic, ukuphucuka igazi, nto leyo ekhokelela ukuba inkqubo impiliso ngokukhawuleza. Ukuba yoma buso, emva iiseshoni 10-15, umbono wakho uya ngcono kakhulu. Electrostimulation kuthetha ngokusebenzisa ukubetha kwentliziyo lohlobo zombane. Kulo mzekelo, inaliti eyodwa ifakiwe ngqo lweliso lakho, kunye nezinye i electrode busisigxina nolusu. Kunye ndlela ingentla besebenzisa unyango eqhelekileyo. Ukwenza ukutofelwa igazi, ugqirha amisele vasodilators. Kwezinye iimeko ukubhenela uqhaqho.

Njengoko ubona, yoma optic, unyango oluqhutywa ngeendlela ezahlukeneyo - kakhulu ukugula kakhulu. Xa kungekho tyala akukho mfuneko ngoyaba eziya zisiba kombono wakho. Kufuneka uqhagamshelane ngokukhawuleza zamehlo, ngubani na oya kubeka uxilongo echanekileyo xa usaqala kuya kunceda kunyanga esi sifo.