Kuvamile ukuthi izinyembezi ziphume emehlweni ethu uma sikhala noma lapho into efana nothuli ingena emehlweni ethu. Kodwa wake wazibuza ukuthi lezi zinyembezi zakheka kanjani, zisakazeka kanjani kulo lonke iso, nokuthi ziyaphi ngemva kwalokho? Kufana nohlelo lokunisela oluncane ngaphakathi kwamehlo ethu. Namuhla, sizokhuluma ngalolu hlelo olumangalisayo lwezinyembezi. Ngokwezokwelapha, lokhu kubizwa ngokuthi uhlelo lwezinyembezi noma `(Imishini Yokucwilisa)`.
Iyini le ndlela yokudabuka?
Kalula nje, uhlelo lwakho lokudabuka luyisistimu yonke eyenza izinyembezi emehlweni akho futhi isuse izinyembezi ezindala. Luyinethiwekhi eyinkimbinkimbi yezindlala, amasaka amancane, kanye nemigudu. Unezinhlelo ezimbili ezihlukene zeso ngalinye.
Cabanga ngakho njengohlelo lokunisela ingadi. Njengoba nje amapayipi angaphansi komhlaba, izitshalo zamanzi, kanye nohlelo lokukhipha amanzi kuhlangana ukuze kugcinwe ingadi iluhlaza futhi iyinhle, uhlelo lwethu lokudabuka, kanye nezindlala zalo kanye nemigudu, luthwala uketshezi olubizwa ngokuthi izinyembezi (olubizwa ngokuthi "uketshezi lwe-lacrimal" ngokwezokwelapha) kulo lonke iso.
Amehlo ethu akhipha izinyembezi ukuze azivikele. Lezi zinyembezi zinikeza umswakama, noma ukuthambisa, ezicutshini ezimboza ingxenye emhlophe yeso (i-conjunctiva) kanye nengxenye esobala engaphambili kweso (i-cornea). Ziphinde zihlanze uthuli, ukungcola, kanye nezinto ezibangela ukungezwani komzimba ezingena esweni. Lonke lolu hlelo, oluhilela ukupompa nokukhipha izinyembezi, lulawulwa yi-nerve ebusweni bethu, i-facial nerve.
Izinyembezi zagcwala, uhambo alubonakali
Lolu uhambo oluhle kakhulu. Ake sibone ukuthi luhamba kanjani.
Izinyembezi ziqala ukwakheka ezindlaleni ze-lacrimal, ezitholakala ngaphezu kwejwabu lakho eliphezulu, ekhoneni elingaphandle leso lakho. Lezi zindlala zikhiqiza usawoti namanzi okwenza izinyembezi zakho. Bese kuthi, njalo uma ucwayiza, lolu ketshezi lusakazeka kulo lonke iso lakho.
Kodwa izinyembezi aziwona amanzi nje kuphela. Izindlala ezincane emaphethelweni ezinkophe zakho, ezibizwa ngokuthi izindlala ze-meibomian, zikhipha uketshezi olunamafutha. Lawa mafutha axubana namanzi avela ezinkopheni zezinyembezi ukuze akhe ithonsi eligcwele lezinyembezi. Lolu ngqimba olunamafutha lubaluleke kakhulu ngoba luvimba izinyembezi ukuthi zingashisi ngokushesha. Luphinde lusize ukugcina inani elincane lala mafutha emaphethelweni ezinkophe, kuvimbele izinyembezi ukuthi zigeleze phezu kwezinkophe.
Ngakho-ke, ngemva kokuhlanza nokuthambisa amehlo akho, lezi zinyembezi ezindala kudingeka ziphume emehlweni akho. Lokhu kwenzeka ngezimbobo ezimbili ezincane ekhoneni elingaphakathi leso lakho, ohlangothini lwekhala lakho. Lezi zibizwa ngokuthi "i-lacrimal puncta." Njalo uma ucwayiza, lezi zimbobo zisebenza njengephampu, zidonsela izinyembezi ezindala emehlweni akho.
Ukusuka lapho, izinyembezi ziqoqana endaweni yokugcina yesikhashana ebizwa ngokuthi ama-lacrimal sacs. Lawa afana namathangi amancane. Bese, kulezi zikhwama, zihamba nge-nasolacrimal duct, bese ekugcineni ziphelela ngemuva kwekhala lakho.
Yilokho okwenzekayo uma ukhala isikhathi eside futhi ikhala lakho ligijima kakhulu. Okwenzekayo ukuthi izinyembezi eziningi kunezivamile zigeleza ngokushesha ngemibhobho yezinyembezi ziye ekhaleni lakho bese zehla emphinjeni wakho.
Yiziphi izingxenye eziyinhloko zesistimu yokudabuka?
Ake siqonde izingxenye eziyinhloko zalolu hlelo lonke kanye nemisebenzi yazo kuleli thebula.
| Igama Lengxenye | Umsebenzi Wayo |
|---|---|
| Izindlala ze-Lacrimal | Lezi zindlala, ezitholakala ekhoneni elingaphandle leso, zikhiqiza ingxenye yezinyembezi enamanzi anosawoti. Zicishe zibe usayizi we-alimondi. |
| Izindlala ze-Meibomian | Lezi zindlala, ezitholakala emaphethelweni ezinkophe, zikhiqiza into enamafutha. Lo mafutha uxubana namanzi ukuze akhe izinyembezi, ukuvimbela izinyembezi ukuthi zingashisi ngokushesha okukhulu. |
| I-Lacrimal puncta | Lezi zimbobo ezincane ekhoneni elingaphakathi leso, ezinkopheni ezingaphezulu nangaphansi, zikhipha izinyembezi ezisetshenzisiwe esweni. Zisebenza njengephampu uma sicwayiza. |
| Amasaka e-Lacrimal | Izinyembezi ezikhishwa kulezo zimbobo ziqoqana kulezi zikhwama zezinyembezi. Lezi zifana namathangi amancane okugcina izinyembezi okwesikhashana. |
| Umsele we-nasolacrimal | Lona umsele wokukhala izinyembezi. Izinyembezi ezindala eziqongeleleka emasakeni ezinyembezi zidlula kulo msele bese ziphuma ziye ngemuva kwekhala. |
Izinkinga ezivamile ezingavela kulesi simiso
Ngezinye izikhathi, ezinye izinkinga zingavela kulesi simiso esihlelekile. Bese sibhekana nobunzima obuhlukahlukene. Lezi ezinye zezimo ezivame kakhulu.
| Igama Lesimo | Kalula nje... |
|---|---|
| Amehlo omile | Iso alikhiqizi izinyembezi ezanele noma ikhwalithi yezinyembezi iyancipha. |
| Ukudabuka okukhulu emehlweni (i-Epiphora) | Izinyembezi zihlala ziphuma emehlweni ngaphandle kwesizathu. |
| Ukuvaleka komsele we-nasolacrimal | Umsele wokukhala izinyembezi ophuma ekhaleni uvalekile ngesizathu esithile. |
| Ukuvuvukala kwezindlala zezinyembezi (i-Dacryoadenitis) | Indlala eyinhloko ekhiqiza izinyembezi iyatheleleka futhi ivuvuke. |
| Ukuvuvukala kwesikhwama sezinyembezi (i-Dacryocystitis) | Isikhwama sezinyembezi, lapho izinyembezi ziqoqana khona, siyatheleleka futhi sivuvuke. |
Wazi kanjani ukuthi kunenkinga?
Izimpawu ezimbili eziyinhloko ezibonisa ukuthi kunenkinga ohlelweni lwakho lokudabuka izinyembezi amehlo omile kanye nokudabuka ngokweqile . Uma unesinye salezi zimpawu, kufanele nakanjani ubonane nodokotela wamehlo, noma udokotela wamehlo.
Ngisho nenkinga encane engxenyeni eyodwa yalolu hlelo ingathinta lonke uhlelo. Isibonelo, kwenzekani uma lawo ma-"meibomian glands" akhiqiza uwoyela esikhulume ngawo evalekile? Khona-ke uwoyela awuhlangani nezinyembezi. Ngakho izinyembezi azihlali kahle esweni, futhi zigijima phezu kwezinkophe. Sizizwa sengathi izinyembezi ziphuma nje emehlweni ethu.
Noma yiluphi ushintsho emehlweni akho, ngisho nento encane njengamehlo omile njalo, lungaba uphawu lwenkinga eyisisekelo. Yingakho kubalulekile ukubona udokotela.
Ungawugcina kanjani uhlelo lokudabuka luphilile?
Kudingeka siqaphele ukugcina lesi simiso sezinyembezi siphilile, njengamehlo ethu.
- Thola ukuhlolwa kwamehlo njalo: Vakashela udokotela wamehlo ngezikhathi ezithile ukuze uhlolwe amehlo akho. Lokhu kuzokusiza ukuthi uqonde hhayi nje kuphela umbono wakho kodwa nempilo yakho iyonke yamehlo.
- Tshela udokotela wakho ngezinguquko: Uma ubona noma yiziphi izinguquko emehlweni noma embonweni wakho, tshela udokotela wakho ngakho.
- Izibuko Nama-contact Lens: Uma ugqoka izibuko noma ama-contact lens, cela udokotela ukuthi akuhlole ngezikhathi ezithile bese ekufaka esikhundleni sazo.
- Ukunakwa okukhethekile uma unesifo sikashukela: Uma unesifo sikashukela, kufanele nakanjani ubonane nodokotela wamehlo okungenani kanye ngonyaka ukuze ahlolwe amehlo akho.
- Gqoka izibuko zokuphepha: Uma udlala imidlalo noma uhlanganyela emsebenzini ongaba yingozi emehlweni akho, gqoka izibuko zokuphepha ezinconywayo.
Uhlelo lwethu lwezinyembezi luyingxenye ebaluleke kakhulu yamehlo ethu, olusiza ukuwagcina emanzi, evikelekile, futhi enempilo. Ngakho-ke uma unezimpawu ezifana namehlo omile noma ukudabuka ngokweqile, ungazinaki. Ngezinye izikhathi kungaba yizimo ezijwayelekile, kodwa ngezinye izikhathi kungaba uphawu lwesifo esidinga ukwelashwa ngokushesha. Ngakho-ke, kungcono ukufuna iseluleko sezokwelapha.
Umlayezo Wokuya Nawe Ekhaya
- Uhlelo lwakho lokudabuka luyinethiwekhi eyinkimbinkimbi yezindlala kanye nemigudu emanzisa futhi ivikele amehlo akho.
- Amehlo omile njalo noma ukudabuka emehlweni ngaphandle kwesizathu kungaba yizimpawu eziyinhloko zokuthi kunenkinga ngalesi simiso.
- Ungazinaki izimpawu ezinjengalezi. Zingaba uphawu lwesinye isimo sezempilo esiyisisekelo.
- Uma uhlangabezana nanoma yiziphi izinguquko noma ukungakhululeki emehlweni akho, thintana nodokotela wakho ngokushesha.
- Ukuhlolwa kwamehlo njalo kubaluleke kakhulu empilweni yamehlo iyonke.
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