Ruwan tabarau aiki. A adam ido: Structure

A adam ido - shi ne wani hadadden Tantancewar tsarin, wanda aiki ne a aika da dama image da na gani jijiya. The aka gyara daga cikin sashen wahayi - a fibrous, jijiyoyin bugun gini, raga harsashi da ciki tsari.

Fibrous daina kai hare hare - a cornea da sclera. Ta hanyar cornea na refracted haske haskoki fada cikin da sashen hangen nesa. Opaque sclera aikin frame bangare kuma yana da wani m aiki.

Yana faruwa ta hanyar da choroid jini ido abinci mai gina jiki, wanda ya ƙunshi gina jiki da kuma oxygen.

A karkashin cornea ne Iris, wanda ya samar da ido launi mutum. A tsakiyar almajiri ne iya canja girman dangane da lighting. Tsakanin cornea da Iris ne mai ruwa-ruwa dara, abin da na tsare da microbes daga cornea.

A na gaba ɓangare na choroid ake kira da ciliary jiki, saboda abin da akwai ci gaban intraocular ruwa. A choroid ne a tsaye lamba tare da akan tantanin ido, da kuma bayar da shi da makamashi.

Akan tantanin ido sa up dama yadudduka na jijiya Kwayoyin. Ta hanyar wannan jikin da aka bayar ji na haske da kuma image samuwar. Bayan da cewa akwai da canja wurin da bayanai ta hanyar da na gani jijiya a cikin kwakwalwa.

A ciki na jiki kunshi wani gaba da raya masallatai cika da m ruwa intraocular, ruwan tabarau da kuma vitreous mutumci. Vitreous ya gelled bayyanar.

An muhimmin bangaren da mutum na gani tsarin - wannan ruwan tabarau. ruwan tabarau aiki - samar da tsauri ophthalmic kimiyyan gani da hasken wuta. Ya taimaka wajen ganin abubuwa daban-daban daidai da kyau. Tuni a cikin 4th mako amfrayo fara da nunawa da ruwan tabarau. Tsari da kuma aiki, kazalika da aiki da kuma ta yiwu cututtuka za mu dubi a cikin wannan labarin.

tsarin

Wannan jiki kamar biconvex ruwan tabarau, da gaba da raya saman na wanda da daban-daban curvature. A tsakiyar ɓangare na kowane daga cikinsu - a iyakacin duniya cewa alaka axis. axis tsawon kimanin 3.5-4.5 mm. Dukansu saman ake shiga tare da kwane-kwane, da ake kira ekweita. Adult yana da girma ido ruwan tabarau na gani 9-10 mm, da ya rufe saman m kwantena (agara jakar) a cikin abin da akwai Layer na epithelium. A gefen da aka located na baya kwantena, shi ba shi da irin wannan Layer.

Yiwuwar ocular ruwan tabarau epithelial cell girma tabbatar da cewa kullum haifa. Jijiya endings, jini, lymphoid nama daga ruwan tabarau ba su da samuwa, shi ne gaba ɗaya epithelial samuwar. A kan gaskiya daga cikin jiki rinjayar da sinadaran abun da ke ciki na intraocular ruwa, idan abun da ke ciki an canza, shi ne zai yiwu clouding da ruwan tabarau.

A abun da ke ciki na da ruwan tabarau

A abun da ke ciki na wannan jiki na gaba - 65% ruwa, 30% gina jiki, 5% na lipids, bitamin da kuma daban-daban inorganic abubuwa da mahadi, kuma enzymes. Basic gina jiki - shi crystallin.

manufa na aiki

Lens da ido - wannan ilimin Halittar Jiki tsarin da agara kashi na ido, kullum ya kamata ya zama cikakke sarai. Ka'idar aiki da ruwan tabarau - ya mayar da hankali nuna haske haskoki daga abu a cikin macular yankin. A image a kan ido duka da ido ya bayyana, ya kamata ya kasance m. Lokacin da haske da dama a kan haske a jikin, wani lantarki bugun jini, wanda da dama ta hanyar da na gani jijiya da na gani cibiyar kwakwalwa. The aiki na kwakwalwa - fassara abin da idanu gani.

ruwan tabarau aiki

Da muhimmancin da ruwan tabarau a cikin aiki na tsarin na wani mutum ne mai muhimmanci. Da farko yana da wani haske jagora aiki, wato, shi damar da nassi na haske da kwarara zuwa cikin ido duka. Hasken-transmissive ruwan tabarau ayyuka suna bayar da ta nuna gaskiya.

Bugu da kari, hukumar ta da kuzari a wajen gutsura haske, kuma yana da ikon game da 19 diopters. Saboda ruwan tabarau bayar da aiki na rungumar inji ta wanda spontaneously adjusts da mayar da hankali na a bayyane image.

Wannan jiki taimaka mana saukin duba daga m abubuwa ga waɗanda suke kusa da cewa bayar da canza Refractive ikon da eyeball. Tare da rage tsoka zaruruwa, wanda na kewaye da ruwan tabarau, akwai wani karu a cikin tashin hankali na kwantena da kuma canji a cikin siffar na Tantancewar ruwan tabarau na ido. Yana zama mafi convex, game da shi a fili a bayyane sanya kusa abubuwa. Lokacin da tsoka hūta, da ruwan tabarau zama lebur, shi ba ka damar ganin abubuwa located nisa.

Bugu da kari, da ruwan tabarau akwai wani shãmaki cewa ya raba da ido a cikin Ƙungiyarku biyu, wadda tabbatar da kariya da agara eyeball daga matsananciyar vitreous matsa lamba. Har ila yau, shi ne wani shãmaki a microorganisms cewa ba fada cikin vitreous. Wannan ya nuna da m aiki da ruwan tabarau.

cuta

Dalilan Tantancewar ruwan tabarau ido cututtuka iya zama sosai bambancin. Wannan shi ne wani take hakkin da samuwar da kuma ci gaba, da kuma canji da wuri, da launukanku cewa faruwa tare da shekaru ko a sakamakon raunin da ya faru. Gana da mahaukaci ci gaba da ruwan tabarau, wanda rinjayar da siffar da launi.

Sau da yawa akwai irin wannan Pathology, cataracts, ko clouding da ruwan tabarau. A gaban akwai, dangane da turbidity zone tsari, lebur, makaman nukiliya, raya da kuma wasu siffofin da cutar. Cataracts iya zama ko dai nakasar ko samu, a lokacin rayuwa a sakamakon rauni, shekaru da alaka da canje-canje da dama sauran dalilai.

Wani lokaci rauni da kuma tearing zaren wanda tabbatar da daidai matsayi da ruwan tabarau na iya haifar da ta hijira. A cikakken yarn hutu auku gurde ruwan tabarau, m katsewa take kaiwa zuwa subluxation.

Alamun da ruwan tabarau

Tare da shekaru, mai tsanani daga cikin mutum hangen nesa an rage, shi ya zama fiye da wuya a karanta a kusa da iyaka. Slow metabolism take kaiwa zuwa canje-canje a Tantancewar kaddarorin da ruwan tabarau, wanda ya zama mafi m da kuma kasa m. A adam ido zai fara ganin abubuwa kasa bambanci, da image sau da yawa hasarar da launi. Lokacin da yake bunkasa a pronounced turbidity, na gani acuity ne ƙwarai rage, akwai wani cataract. Location turbidity rinjayar har da kudi na rage hangen nesa.

Age da alaka opacification tasowa tsawo, har zuwa shekaru da dama. Saboda wannan illa wahayi a daya ido iya je kada a gane na dogon lokaci. Amma ko da a gida, za ka iya sanin ko gaban cataracts. Don yin wannan, za ka bukatar ka dubi wani m takardar takardar da daya, to, da sauran ido. A gaban da cutar zai bayyana cewa takardar ne maras ban sha'awa, kuma yana da yellowish tint. Mutane da wannan cuta bukatar wani haske, a cikin abin da suka iya ganin kyau.

Clouding da ruwan tabarau za a iya lalacewa ta hanyar gaban kumburi (iridocyclitis) ko shafe tsawon amfani da medicaments, wanda dauke da steroidal ji ba gani. Daban-daban karatu sun tabbatar da cewa a cikin glaucoma idanu clouding na Tantancewar ruwan tabarau ne sauri.

bincikowa da

Ganewar asali kunshi wahayi gwaji da kuma gudanar da bincike Tsarin ido tare da wani musamman Tantancewar na'urar. Ophthalmologist bincika da size da kuma tsarin da ruwan tabarau kayyade mataki na ta nuna gaskiya, gaban da wuri na hazo, wanda ta kai ga wani karu a gani acuity. Lokacin da ruwan tabarau nazari ne gefe mai da hankali haske Hanyar wanda binciki gaban surface daga gare ta, located a cikin almajiri. Idan akwai wani girgije, da ruwan tabarau ba bayyane. Bugu da kari, akwai wasu hanyoyin da bincike - jarrabawa a daukar kwayar cutar haske, da nazari da yin amfani da wata tsaguwa fitilar (biomicroscopy).

Yadda za mu bi?

Jiyya ne yafi m. Kantin magunguna sarƙoƙi bayar daban-daban saukad da, amma suka ba su iya komawa da nuna gaskiya da ruwan tabarau, kuma bai da garantin karewa da cutar. Surgery ne kawai hanya da tabbatar da cikakken maida. Domin cataract tiyata a iya amfani extracapsular hakar tare da sutures a kan cornea. Akwai kuma wani Hanyar - phacoemulsification da kadan kai-sealing incisions. kau Hanyar da aka zaba dangane da yawa da kuma shirin hana haske a kan yanayin da jijiyoyin sun hadu. Babu kasa muhimmanci ne da gwaninta na likita.

Tun da ruwan tabarau na ido taka muhimmiyar rawa a cikin tsarin na wani mutum, sai wani iri-iri na raunin da cuta da aikinsa sau da yawa kai ga irreparable sakamakon. Wani alamu na hanawa ko rashin jin daɗi a cikin ido - shi ne haifar da ga nan da nan da magani ga likita, wanda zai gane asali da kuma rubũta da zama dole magani.