Sihlala sicinga ngeenyembezi kuphela xa siziva iimvakalelo ezinamandla ezifana nosizi okanye ulonwabo, akunjalo? Kodwa ubusazi na ukuba nangoku, nangona ufunda oku ngaphandle kweemvakalelo, iinyembezi ziyakheka ngaphakathi kwamehlo akho, zikhusela amehlo akho? Iinyembezi azikho nje into ephuma ekulileni. Zibalulekile kwimpilo yamehlo ethu. Namhlanje, masithethe ngazo zonke ezi nyembezi.
Ngamafutshane, zithetha ukuthini ezi nyembezi?
Iinyembezi lulwelo olucacileyo nolunetyuwa olukhutshwa ziindlala ezikwinxalenye ephezulu yamehlo akho. Zenziwe ngamanzi, ioyile kunye ne-mucus . Inkonzo ezi inyembezi zincinci eziyenzela amehlo ethu iyamangalisa.
- Igcina amehlo emanzi: Iinyembezi zigcina umphezulu wamehlo ethu umanzi kwaye usempilweni. Oku sikubiza ngokuba yi-'lubricating' yamehlo.
- Ikhusela amehlo: Iinyembezi zihlambulula uthuli kunye nokungcola okungena emehlweni. Zikwakhusela amehlo kwiintsholongwane ezifana neebhaktheriya. Iinyembezi zibaluleke kakhulu ekukhuseleni i-cornea , i-membrane ecacileyo phezu kweliso elimnyama.
- Inceda ekuboneni ngokucacileyo: Iinyembezi zisinceda sibone ngokucacileyo ngokugxila ekukhanyeni okuvela ngaphandle.
- Ithomalalisa iimvakalelo: Uziva ukhululekile emva kokulila kamnandi emva kokuva ubuhlungu kakhulu, akunjalo? Kukho isizathu soko. Iinyembezi esizikhuphayo xa sivakalelwa kwaye silila ziqulethe ii-neurotransmitters ezifana ne -acetylcholine . Ezi zinceda ukuzola ingqondo.
- Ukuveza iimvakalelo zethu: Iinyembezi ziyasinceda xa singenawo amazwi okuveza iimvakalelo zethu, njengosizi okanye ulonwabo, komnye umntu.
Uyaqonda ke, akunjalo? Iinyembezi aziyonto nje. Zibaluleke kakhulu kwimpilo yamehlo ethu. Ukuba amehlo akho ahlala omile, okanye ukuba ukrazuka ngaphandle kokuzithandela, musa ukuzityeshela. Eyona nto ingcono onokuyenza kukubona ugqirha wamehlo, ugqirha ochwephesha emehlweni, ukuze afumane unobangela.
Kukho iintlobo ezintathu zeenyembezi eziphuma emehlweni ethu.
Ewe, uchanekile. Nangona sithi iinyembezi, zonke zahlukile. Asisoloko sineentlobo ezifanayo zeenyembezi. Amehlo ethu avelisa iintlobo ezintathu zeenyembezi, nganye ifanele imfuno ethile, ngexesha elithile.
| Uhlobo lweNkunkuma | Yintoni eyenzayo? (Yenza ntoni?) |
|---|---|
| Iinyembezi zeBasal | Ezi ziinyembezi ezihlala zisemehlweni ethu. Ezi inyembezi zihlala zisemehlweni ethu ukuze zihlale zimanzi, zilondle, kwaye zilikhusele eluthulini. Aziphumi emehlweni. |
| Iinyembezi zeReflex | Khawuthelekelele usika itswele. Ezi nyembezi ziphuma emehlweni akho njengamanzi. Xa into engaqhelekanga ingena emehlweni akho, njengothuli okanye umsi, ezi nyembezi ziphuma ukuze ziyihlambe. Zikwanazo nee-antibodies ezilwa neebhaktheriya. |
| Iinyembezi Ezingokweemvakalelo | Olu luhlobo lwenyembezi esiqhelene nalo sonke. Ezi nyembezi zivela xa siziva iimvakalelo ezinamandla ezifana nolonwabo olukhulu, usizi, okanye umsindo. Ngokutsho kwezazinzulu, ezi nyembezi zinceda ekukhupheni iihomoni zoxinzelelo emzimbeni. |
Iinyembezi zenziwe ngamaleya amathathu.
Ithontsi leenyembezi alilothontsi nje lamanzi. Lifana ne-membrane encinci. Le membrane ineengqimba ezintathu. Zontathu zisebenza kunye ukukhusela amehlo ethu.
1. Umaleko wangaphandle onamafutha
Olu layer yeoyile lugcina umphezulu wefilimu yokukrazula uthambile. Yiyo loo nto sikwazi ukubona ngokucacileyo. Enye into ebalulekileyo kukuba olu layer yeoyile luthintela layer yamanzi ngaphakathi ukuba ingatshi ngokukhawuleza. Oko kuthetha ukuba inciphisa ukoma kwamehlo.
2. Umaleko ophakathi wamanzi
Le yeyona nxalenye ityebileyo neyona ibalulekileyo yefilimu yokukrazula. Inika umswakama emehlweni, yondla izicubu zamehlo, kwaye ikhusela i-cornea kwiintsholongwane.
3. Umaleko wangaphakathi we-mucus
Olu maleko lunamathelayo lugcina la maleko mabini angaphezulu enamathele ngokuqinileyo kumphezulu weliso. Ngaphandle kwalo, ifilimu yokukrazula ibingayi kusasazeka ngokulinganayo kulo lonke iliso.
Kutheni iinyembezi zinuka ityuwa?
Kulula kakhulu. Ukubila kwethu, amathe, kunye neenyembezi zethu ngokwemvelo ziqulethe iityuwa. Ezi sizibiza ngokuba zii-electrolytes . Ii-ion zetyuwa ezifana ne-sodium, i-potassium, kunye ne-calcium zezona zinika iinyembezi incasa yazo enetyuwa.
Izifo eziqhelekileyo ezinxulumene neenyembezi
Ngamanye amaxesha ukuveliswa kwencindi kunokuncipha, kwande, okanye imibhobho yencindi ingavalwa, nto leyo enokubangela izifo ezahlukeneyo.
| Imeko | Zithini iimpawu? |
|---|---|
| Iliso elomileyo | Ukuziva ngathi isanti okanye ameva anamathele emehlweni. Amehlo ayavuvukala, abe bomvu, kwaye kunzima ukuwabona ekukhanyeni. |
| Umbhobho wokukrazula ovalekileyo | Iinyembezi ziphuma ngokukhululekileyo emehlweni, amehlo aqhekeke, amehlo aqhekeke. Indawo ejikeleze amehlo inokuba bomvu kwaye idumbe. |
| I-Epiphora | Iinyembezi ziyaqhubeka ziphuma emehlweni, nokuba awukhali okanye awuhleki. Oku kungaba luphawu losulelo lwamehlo okanye imibhobho yeenyembezi evalekileyo. |
| I-Dacryocystitis | Olu luhlobo losulelo lwe-tear sac, olugcina iinyembezi. Iimpawu ziquka iintlungu zamehlo, ukudumba, kunye nokubomvu okujikeleze iliso. |
Iindlela zokujonga impilo yamehlo akho
Ukuba unale mpawu, ugqirha uza kuhlola amehlo akho. Nazi ezinye zeemvavanyo ezenziwa rhoqo.
- Uvavanyo lwesibane esiqhekekileyo: Le yimakroskopu ekhethekileyo ejonga amehlo akho. Oku kuvumela ugqirha ukuba abone ukuba amehlo akho akrazukile kangakanani kunye nemeko yefilimu yekrazu.
- Uvavanyo lukaSchirmer:Oku kuquka ukubeka iphepha elincinci emphethweni weliso lakho elingezantsi imizuzu embalwa. Ubungakanani beenyembezi eziveliswa ngamehlo akho bunokulinganiswa ngendlela elimanzi ngayo iphepha.
- Uvavanyo lwexesha lokuqhekeka kweenyembezi (TBUT): Olu vavanyo lulinganisa ukuba iinyembezi zakho zikhawuleza kangakanani ukunyamalala. Kufakwa idayi ekhethekileyo esweni kwaye ifilimu yeenyembezi ihlolwe phantsi kwemakroskopu ukuze kubonwe ukuba ihlala ixesha elingakanani izinzile.
Ungawagcina njani amehlo akho emanzi kwaye esempilweni?
Kukho izinto ezimbalwa ezilula esinokuzenza ukuze sigcine amehlo ethu esempilweni.
- Khusela amehlo akho kwimimoya enamandla: Ukuba uhlala ujongene nemimoya enamandla, ukunxiba izinto ezifana neeglasi zelanga kunokunceda ekunciphiseni ukoma kwamehlo.
- Kuphephe ukutshaya icuba: Umsi wecuba uyingozi kakhulu emehlweni. Ungongeza amehlo omileyo.
- Nika amehlo akho ikhefu kwaye ukhumbule ukuqhwanyaza: Xa sijonga ikhompyutha okanye ifowuni ixesha elide, asiqhwanyazaza rhoqo. Ngenxa yoko, amehlo ethu oma ngokukhawuleza. Ngoko ke, thatha ikhefu elifutshane ubuncinane kanye rhoqo emva kwesiqingatha seyure uze ujonge kude. Khumbula ukuqhwanyazaza rhoqo.
- Sebenzisa iinyembezi zokwenziwa: La mathontsi amehlo, anokuthengwa kwikhawuntara kwikhemesti, anokunceda ukugcina amehlo akho emanzi. Nangona kunjalo, ukuba uyaqhubeka nokusebenzisa wona, kungcono ukuthetha nogqirha wakho ukuze akunike icebiso.
- Lumka: Nciphisa ilaphu elicocekileyo emanzini afudumeleyo, uvale amehlo akho, uze ulibambe phezu kwamehlo akho okwethutyana. Olu xinzelelo olufudumeleyo luvuselela amadlala eoyile kwiinkophe zakho, lunceda ukuphucula umgangatho weenyembezi zakho.
Umyalezo Wokuya Ekhaya
- Iinyembezi aziphumi nje xa sikhala, zifana nekhaka elihlala linika ukhuseleko, umswakama, kunye nokondla amehlo ethu.
- Amehlo ethu avelisa iintlobo ezahlukeneyo zeenyembezi kwiimfuno ezahlukeneyo.
- Ukuba unamehlo ahlala etsha, omile, okanye anamanzi, musa ukuwatyeshela loo nto.
- Ukuba unale mpawu, bonana nogqirha, ingakumbi ugqirha wamehlo, ngokukhawuleza. Isenokuba yimeko enokunyangeka.
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