HauoraRongoā

Te etine, ona āhuatanga kikokiko, me te mahi.

Ko te etine te etine (etine) ranei, tohu te takoto i roto i muri i te kamo o te kanohi. takoto Ko tōna ahurei tino i roto i te meka e reira e toru neuron piringa, i nei te mōhiohio ataata katoa i mohiotia e te kanohi haere ki te roro, e manako ana he maimoatanga whakamutunga, me te panoni ki te whakapakoko ataata fakangalongata'a. Nā ki te etine o te katoa okana o titiro taea te aifaito ki te hanganga intracerebral matatini, me te tino rerekëtanga.

Ko te etine Ko te hanganga rawa matatini, me te rerekē. He he hanganga ultra-angiangi, engari histologically reira wehewehe tonu papa rerekē kotahi tekau i roto i to ratou hanganga. Ko te tuatahi o ratou, Taha nei ki te kanohi anga toharite aroaro ngarahu epithelium. Oku i ai e he maha nui o melanocytes e hua melanin. I muri i te apa ngarahu ko svetovosprinimayuschaya wahi o te 'Afio. Ko te neuron tuatahi tenei. Kei te māngai ia e photoreceptors motuhake. Ia o ratou kua he mahi motuhake. Ko te kupu, he kawenga mo te hanganga o te kakarauritanga, me te waeine o te tihi nga rakau - no te tirohanga tae me te mārama. E puta ratou nga tauhohenga te marama tuarua. tuarua, me te tuatoru nga paparanga o neurons whakaritea i roto i ngā pūtau pourua me ganglion, aua. Mai i nga āhuatanga kikokiko o kiriuhi tuaroa kia tuhia te ngä o tona karere whatu me te tongi. I roto i te rohe o te kōpae io whatu ko te "wahi matapo" pera-ka karanga. Ko reira tino indeferentno ki whakaongaonga marama, kia rite ki kahore he pūtau photoreceptor. He pikitia tino mārama o te kanohi tangata whakarato te fossa pokapū (rohe macular), i roto i nei te kiato o tihi tika e huri i runga i. anatomists tongi huaina "rua", no te mea i roto i tenei wahi otsutsvuyut papa e wha o te etine.

Te etine i roto i noa, te kanohi hauora kia pai miharo: ki te kamo whāriki, tona paparanga waho, tuku ki rite te paraharaha waiwai membrane o Bruch ranei. I roto i te wā i reira takahia te tenei huru, te kanohi maoro,, ahakoa noa i raro i te mana o etahi āhuatanga o waho, me te ā ranei, reira i taea tupu abruption. Ko te āhua tino nanakia o whawhati tata, me te ki te okana o whakakitenga, e taea tūturu whakaititia e te tangata o te kaha ki te kite i tenei. whakaaro ngawari, engari kahore iti mōrearea huru te ki hei tuaroa ona kanohi. puta te reira i te wāhi o te thinning nui. e kore ai ētahi tūroro kite nga roimata, no te mea He iti ratou, a taea te kei tawhiti atu i te wahi, i te kawenga mō whakapakoko mārama, me te koi o ngā i runga i te etine. Ko te piere tino noa puta ina he manawanui i roto i te aamu Ophthalmology reira ko tetahi tupu o te etine. Hei tauira, i roto i nga nekehanga tiketike o myopia, ranei e kiia ana ko roto i te iwi, myopia, manawanui setchaka tika ki te kaha totoro te rahi nui o te 'Afio, riro pakarukaru, me te nui atu kikokore. I roto i te taua supply toto ohorere ki te etine, me te kai tōtika. Na reira, i tetahi mana i waho (whakatangi ki te matenga, mahi nui, e faarahi te pēhanga, whakapakaritia wiri) taea arahi ki ruptures me ētahi wā wehe o te etine. kia kawea maimoatanga i tonu, rite reira he he faingamālie ki whakahoki te taumahinga o te etine. I roto i te take o te manawanui ropu titau moenga okiokinga me te ata noho. He wehe iti o te hou takitahi e taea te haere ki to ratou wāhi taketake. I roto i te wā i reira kahore he tumanako hoki whakaora-whaiaro, e hiahiatia maimoatanga hāparapara te - taatiraa tafa scleral tangiwai ranei. Te etine, i roto i nei kua puta he mea kiano i matao e taea te whakahokia taiaho coagulation wahi āputa.

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