Kuqhelekile ukuba iinyembezi ziphume emehlweni ethu xa sikhala okanye xa into efana nothuli ingena emehlweni ethu. Kodwa ngaba wakha wazibuza ukuba ezi inyembezi zenziwa njani, zisasazeka njani kulo lonke iliso, kwaye ziya phi emva koko? Kufana nenkqubo encinci yokunkcenkceshela ngaphakathi kwamehlo ethu. Namhlanje, siza kuthetha ngale nkqubo imangalisayo yokunkcenkceshela. Ngokwezonyango, oku kubizwa ngokuba yinkqubo yokunkcenkceshela okanye `(Isixhobo Sokukrazula)`.
Yintoni le nkqubo yokukrazula iinyembezi?
Ngamafutshane, inkqubo yakho yokukrazula yinkqubo yonke eyenza iinyembezi emehlweni akho kwaye isuse iinyembezi ezindala. Yinethiwekhi entsonkothileyo yamadlala, iingxowa ezincinci, kunye nemibhobho. Uneenkqubo ezimbini ezahlukeneyo zeliso ngalinye.
Cinga ngayo njengenkqubo yokunkcenkceshela igadi. Kanye njengokuba imibhobho engaphantsi komhlaba, izityalo zamanzi, kunye nenkqubo yokukhupha amanzi zidibana ukugcina igadi iluhlaza kwaye intle, inkqubo yethu yokukrazula, kunye neendlala kunye nemibhobho yayo, ithwala ulwelo olubizwa ngokuba ziinyembezi (ngokwezonyango olubizwa ngokuba yi-"lacrimal fluid") kulo lonke iliso.
Amehlo ethu akhupha iinyembezi ukuze azikhusele. Ezi inyembezi zibonelela ngomswakama, okanye ukuthambisa, kwizicubu ezigubungela inxalenye emhlophe yeliso (conjunctiva) kunye nenxalenye ecacileyo engaphambili kweliso (cornea). Zikwahlamba uthuli, ukungcola, kunye nezinto ezibangela i-allergens ezingena kweliso. Le nkqubo yonke, equka ukupompa nokukhupha iinyembezi, ilawulwa ngumthambo osebusweni bethu, umthambo wobuso.
Iinyembezi zaphuma, uhambo alubonakali
Olu luhambo oluhle kakhulu. Masibone ukuba luza kuhamba njani.
Iinyembezi ziqala ukwakheka kwii-lacrimal glands, ezikwi-eyelid yakho ephezulu, kwikona engaphandle yeliso lakho. Ezi glands zivelisa ityuwa namanzi enza iinyembezi zakho. Emva koko, ngalo lonke ixesha uqhwanyaza, olu lwelo lusasazeka kulo lonke iliso lakho.
Kodwa iinyembezi azingomanzi nje kuphela. Iigland ezincinci ezisemaphethelweni eenkophe zakho, ezibizwa ngokuba zii-meibomian glands, zikhupha ulwelo olunamafutha. Le oli ixubana namanzi avela kwiigland zeenyembezi ukuze yenze ithontsi elipheleleyo leenyembezi. Le maleko inamafutha ibaluleke kakhulu kuba iyayithintela iinyembezi ukuba zingatshi ngokukhawuleza. Ikwanceda ukugcina inani elincinci lale oli emaphethelweni eenkophe, ithintela iinyembezi ukuba zingahambi phezu kweenkophe.
Ngoko ke, emva kokuba ucoce kwaye uthambise amehlo akho, ezi nyembezi ezindala kufuneka ziphume emehlweni akho. Oku kwenzeka ngemingxuma emibini emincinci ekwikona engaphakathi yeliso lakho, ecaleni kwempumlo yakho. Ezi zibizwa ngokuba yi-"lacrimal puncta." Ngalo lonke ixesha uqhwanyaza, le mingxuma isebenza njengepompo, itsala iinyembezi ezindala emehlweni akho.
Ukusuka apho, iinyembezi ziqokelelana kwindawo yokugcina okwethutyana ebizwa ngokuba zii-lacrimal sacs. Ezi zifana neetanki ezincinci. Emva koko, kwezi ngxowa, zihamba nge-nasolacrimal duct, kwaye ekugqibeleni ziphelela ngasemva kwempumlo yakho.
Yiloo nto eyenzekayo xa ukhala ixesha elide kwaye impumlo yakho ibaleka kakhulu. Okwenzekayo kukuba iinyembezi ezininzi kunesiqhelo ziphuma ngokukhawuleza kwimibhobho yeenyembezi ziye empumlweni yakho zize zehle ngomqala wakho.
Ziziphi iindawo eziphambili zenkqubo yokukrazula?
Masiqonde iindawo eziphambili zale nkqubo yonke kunye nemisebenzi yazo kule theyibhile.
| Igama leCandelo | Umsebenzi Wayo |
|---|---|
| Iindlala zeLacrimal | Ezi glands, ezikwikona engaphandle yeliso, zivelisa amanzi anetyuwa inxalenye yeenyembezi. Zilingana nobukhulu be-almond. |
| Iigland zeMeibomian | Ezi glands, ezikwimiphetho yeenkophe, zivelisa into enamafutha. Le oyile ixutywa namanzi ukuze yenze iinyembezi, nto leyo ethintela iinyembezi ukuba zingatshi ngokukhawuleza. |
| I-Lacrimal puncta | Ezi zimbobo zincinci kwikona engaphakathi yeliso, kwiinkophe eziphezulu nezisezantsi, zikhupha iinyembezi ezisetyenzisiweyo kwiliso. Zisebenza njengepompo xa siqhwanyaza. |
| Iingxowa zeLacrimal | Iinyembezi ezikhutshwa kuloo mingxuma ziqokelelana kwezi ngxowa zeenyembezi. Ezi zifana neetanki ezincinci zokugcina iinyembezi ezigcina iinyembezi okwethutyana. |
| Umbhobho we-nasolacrimal | Le yi-drawer duct. Iinyembezi ezindala eziqokelelana kwiingxowa ze-drawer zidlula kule drawer zize ziphume ziye ngasemva kwempumlo. |
Iingxaki eziqhelekileyo ezinokwenzeka kule nkqubo
Ngamanye amaxesha, ezinye iingxaki zinokuvela kule nkqubo icwangcisiweyo. Emva koko sijongana neengxaki ezahlukeneyo. Ezi zezinye zeemeko eziqhelekileyo.
| Igama leMeko | Kalula nje... |
|---|---|
| Amehlo omileyo | Iliso alivelisi iinyembezi ezaneleyo okanye umgangatho weinyembezi uyancipha. |
| Ukukrazula kakhulu emehlweni (i-Epiphora) | Iinyembezi zihlala ziphuma emehlweni ngaphandle kwesizathu. |
| Ukuvaleka kombhobho wempumlo | Umbhobho weenyembezi ophuma empumlweni uvalekile ngesizathu esithile. |
| Ukudumba kwee-tear glands (i-Dacryoadenitis) | Indlala ephambili evelisa iinyembezi iyasuleleka kwaye idumbe. |
| Ukudumba kwengxowa yokukrala iinyembezi (iDacryocystitis) | Ingxowa yeenyembezi, apho iinyembezi ziqokelelana khona, iyasuleleka ize idumbe. |
Wazi njani ukuba kukho ingxaki?
Iimpawu ezimbini eziphambili ezibonisa ukuba kukho ingxaki kwinkqubo yakho yokukrazula ziinyembezi ezomileyo kunye nokukrazula kakhulu . Ukuba unayo nayiphi na kwezi mpawu, ngokuqinisekileyo kuya kufuneka ubone ugqirha wamehlo, okanye ugqirha wamehlo.
Nokuba yingxaki encinci kwenye inxalenye yale nkqubo inokuchaphazela yonke inkqubo. Umzekelo, kwenzeka ntoni ukuba ezo "glands ze-meibomian" ezivelisa ioyile esithethe ngazo zivalekile? Emva koko ioyile ayidibani nezinyembezi. Ngoko ke iinyembezi azihlali kakuhle emehlweni, kwaye zidlula kwiinkophe. Sivakalelwa kukuba iinyembezi ziphuma nje emehlweni ethu.
Naluphi na utshintsho emehlweni akho, nokuba yinto encinci njengamehlo ahlala ewomile, lunokuba luphawu lwengxaki efihlakeleyo. Yiyo loo nto kubalulekile ukubona ugqirha.
Ungayigcina njani inkqubo yokukrazula isempilweni?
Sifanele siqaphele ukugcina le nkqubo yokukrazula iinyembezi isempilweni, njengamehlo ethu.
- Fumana uhlolo lwamehlo rhoqo: Ndwendwela ugqirha wamehlo rhoqo ukuze uhlolwe amehlo akho. Oku kuya kukunceda uqonde kungekuphela nje umbono wakho kodwa kunye nempilo yakho iyonke yamehlo.
- Xelela ugqirha wakho ngotshintsho: Ukuba ubona naluphi na utshintsho emehlweni okanye embonweni wakho, xelela ugqirha wakho ngalo.
- Iiglasi kunye neeLensi zoQhagamshelo: Ukuba unxiba iiglasi okanye iilensi zoQhagamshelo, mazihlolwe ngugqirha rhoqo kwaye mazitshintshwe.
- Ingqwalasela ekhethekileyo ukuba unesifo seswekile: Ukuba unesifo seswekile, ngokuqinisekileyo kufuneka ubonane nogqirha wamehlo ubuncinane kanye ngonyaka ukuze ahlolwe amehlo akho.
- Nxiba iiglasi zokhuseleko: Xa udlala imidlalo okanye usenza umsebenzi onokuba yingozi emehlweni akho, nxiba iiglasi zokhuseleko ezicetyiswayo.
Inkqubo yethu yokukrazula amehlo ibaluleke kakhulu, inceda ekuwagcineni emanzi, ekhuselekile, kwaye esempilweni. Ngoko ke, ukuba uneempawu ezifana namehlo omileyo okanye ukukrazula kakhulu, ungazihoyi. Ngamanye amaxesha zinokuba ziimeko eziqhelekileyo, kodwa ngamanye amaxesha zinokuba luphawu lwesifo esifuna unyango olukhawulezileyo. Ngoko ke, kungcono ukufuna ingcebiso kagqirha.
Umyalezo Wokuya Ekhaya
- Inkqubo yakho yokukrazula yinethiwekhi entsonkothileyo yee-glands kunye ne-ducts ezifumisa kwaye zikhusele amehlo akho.
- Amehlo omileyo rhoqo okanye ukukrazuka emehlweni ngaphandle kwesizathu kunokuba ziimpawu eziphambili zokuba kukho ingxaki kule nkqubo.
- Musa ukuzityeshela iimpawu ezifana nezi. Zisenokuba luphawu lwenye ingxaki yempilo engabonakaliyo.
- Ukuba ufumana naluphi na utshintsho okanye ukungakhululeki emehlweni akho, qhagamshelana nogqirha wakho ngaphandle kokulibazisa.
- Ukuhlolwa kwamehlo rhoqo kubaluleke kakhulu kwimpilo yamehlo iyonke.
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