Ngaba unokucinga ukuba ulila iinyembezi zegazi? Ingafana nefilimu eyoyikisayo, kodwa iinyembezi zamanzi ziyinto yinyani. Igazi kwiinyembezi yimeko engabonakaliyo eyaziwayo njenge-hemolacria. Iindlebe zegazi ziye zabhalwa kwixesha elide, ngokuqhelekileyo zithwele ingcaciso engalunganga. Kwezinye iimeko, ukuba neinyembezi zamanzi zazicingelwa ukuba zidibene neidemon.
Ngombulelo, amaninzi amatyala e-hemolacria ayingozi yaye ngokuqhelekileyo avela ngengcaciso ecacileyo. Nangona kunjalo, imimiselo emininzi kufuneka icatshangelwe xa yenza isifo. Ngaphambi kokuba sihlolisise izizathu ezinokwenzeka, makhe sihlolisise i-anatomy ye-system ye-nasolamalmal, inkqubo ejongene nokuvelisa nokukhupha iinyembezi.
U ku velisa
Inkqubo yokuvelisa izinyembezi i-non-colom system yenziwe ngamalungu amaninzi. Ingqungquthela ebhaliweyo yintsimbi enkulu efihla iinyembezi . Itholakala ngaphantsi kwesikhumba se-orbit. Umsebenzi wayo kukukrazula kwiinyawo. Iimvama zemihla ngemihla zibhekiswa njengezinyembezi. Iinyembezi eziveliswa yimvakalelo okanye xa kukho into ekhangelelwe ngezinyembezi. Kukho neengqungqutyana ezincinci ezifakwe kwi-eyelidi eveza iinyembezi. Iingqungquthela ze -Meibomian zibeka ijwabu leso ukuze lifake i-oyile edibeneyo eyenza ukuzinzisa ifilimu yokulila kunye nokukhusela ukukhuphuka kwamanzi. Inkqubo ebhaliweyo ilawulwa ngokusisiseko kwinkqubo ye-parasympathetic kwaye mhlawumbi isistim sevelwano.
Ngesinye ijwabu eliqhelekileyo linelinye i-punctum elikufutshane nomda wayo kwindawo yommandla wayo. Ezi puncta ziimingxuma ezincinci ezibonwa lula kwi-margin ye-eyelidi. I-punctum nganye inombhobho encinci okanye i-canaliculus ekhokelela kwisikhwama esingabonakaliyo. Isikhwama esingabonakaliyo siba ngumzila ongenawo umntu kwaye sivule kwi-meatus engaphantsi (ukuvula encinane) kwempumlo.
Ngokuqhelekileyo i-valve encinci evumela ukuba iinyembezi ziqhubekele empumleni kodwa ayivumeli iinyembezi ziqhutywe zikhuphuke kwiindawo. Iinyembezi zinika umsebenzi wokugcoba iliso, kunye nokunceda iliso ukwenza umfanekiso ocacileyo. Iinyembezi nazo zithwala izondlo, i-electrolytes, i-antibiotics yendalo, kunye ne-oksijini ebusweni kweso kunye ne-cornea, isakhiwo esicacileyo se-dome esifundweni.
Izizathu
Uninzi lwezinyembezi ezinegazi zibangelwa ziimeko ezilandelayo:
- Ukulimala ngokudibanisa: I-conjunctiva yile membrane ecacileyo ephezulu phezu kwe-sclera, inxalenye emhlophe yeso. Kwi-conjunctiva yinkonzo yeemithwalo yegazi. Ngamanye amaxesha ukusuleleka, ukuvutha okanye ukuchithwa kungabangela ukuphuma kwe-conjunctiva kuba i-blood vessel-rich rich. Igazi liphuma nje kwaye lidibanise neinyembezi, okwenze ukuba kubonakale ngathi umntu ubeka iinyembezi ngegazi.
- Ukuphazamiseka kwegazi : Ukuphazamiseka kwegazi kuquka i- hemophilia kunokubangela ukuphuma kwegazi ngenxa yeengxaki zokuqhawula. Abantu abaphethwe yi-hemophilia banganxeba okanye bajike kalula. Oku kungabonakalisa emehlweni njengezinyembezi zamanzi. Ezinye iimeko ezifuna ukuthatha abaxakeli begazi zingabangela ukuba abantu babe neinyembezi zamanzi. Amachiza afana ne-aspirin okanye i-heparin ingaba necala kula maxesha. Izigulane ezivame ukutyumza okanye ukuphaphaza kufuneka zihlolwe ngumsebenzi wabo wokufunda okanye ogqirha.
- I-granuloma ye-Pyogenic : I-granuloma ye-pyogenic iyisifo esiqhekezayo, esine-vascularrized tumor esingakhula kwi-conjunctiva okanye kwisikhwama esilahlayo. Isikhwama esilahlayo sisona sikhewu esivamile apho iifudu zomlambo ezimbini zidibanisa ukuze zihluthe iinyembezi. I-granuloma ye-pyogenic inokuvela kwingozi, ukugula kwegciwane okanye ukuvuvukala okukhulu. I-granulomas ye-Pyogenic iphinda ivele ngokuqhelekileyo ngexesha lokukhulelwa ngenxa yeinguqu ze-hormone kumzimba.
- Ukuhlanjululwa: Ukuhlanjululwa kwisigxina samanzi (i- nosebleed ) kuthiwa yi-epistaxis. Njengoko kuchazwe ngaphambili, inkqubo echasayo evelisa kunye neendwangu zomntu ixhunyiwe kwisigxina somsi. Njengoko siyaziqhawula, iinkophe zethu zenza i-diagonal ekhuphayo ekhoneni liso apho i-puncta ikhona khona. I-puncta iminyango emancinci apho iinyembezi zihamba khona. I-puncta igxobhoze kwisigxoba esilahlayo kwaye emva kweso sikhephe esinomlilo kunye nempumlo. Le nkqubo ichaza isizathu sokuba impumlo yakho ithambele xa ukhala. Ukuba unempumlo kwaye uphazamise okanye utyumle impumlo yakho, ukujikeleza kwegazi okungafaniyo kunokunyanzeliswa emva kwenkqubo ye-solamemal. Oku kuya kubangela ukuba igazi libuyiselwe emva kwe-puncta kunye neenyembezi, okwenza kubonakale ngathi iinyembezi zenziwa ngegazi.
- I-Lacrimal sac malignancy: I- melanoma ebulalayo inokuvela naphi na emzimbeni kubandakanya isikhwama esilahlayo. Abantu abaphethwe yi-melanoma yesigxoba esilulayo banokuba nezinyembezi zamanzi. Le yimeko ebalulekileyo efuna unyango olukhawulezileyo.
- Ingqumbo engapheliyo: Nakuba iinyembezi ezingabonakaliyo, ezinokugawula igazi ziye zabhalwa kwiimeko zengcinezelo ephezulu yegazi . Kwiimeko ezininzi, kwenzeka ntoni isitya segazi esiphukileyo kwi-conjunctiva okanye kwiisiswini zomzimba. Ngenxa yokuba uxinzelelo lwegazi luphezulu, ukuphuma kwamanzi kunokugqithisa. Kwiimeko ezininzi, xa uxinzelelo lwegazi oluphezulu luhlaselwa ngamachiza, iinyembezi zamanzi ziyayeka ngokukhawuleza.
- Izizathu zeHormon: Izifundo ziye zabhalwa ngabasetyhini abathile abakhalaza i-hemolacria ngexesha lokuya esikhathini. Ukuphuma kwegazi kubangelwa kukutshintshwa kwe-hormone. Ngokuqhelekileyo, igazi ngezinyembezi ezivela kwala mabhinqa lifumaneka kwixabiso elincinci kwaye alibanga ukuphazamiseka okukhulu kwintombi ejongene nayo.
- Idiopathic imbangela: Kuye kubekho amacala amaninzi omntu okhala iinyembezi zegazi kungekho ncazelo kwaye akukho nonyango. Kule meko, akukho sifo esibi okanye izifo eziye zafunyanwa kwaye kubonakala ngathi zixazulule ngexesha. Akukho nkcazo yenzululwazi efunyenwe kule nto ingavumelekanga.
ILizwi
Iinyembezi ezigaqambileyo, ezibizwa ngokuba yi-hemolacria, ziyiimeko ezingaqhelekanga. Nangona ngokuqhelekileyo unobungozi, kufuneka ubone ugqirha wezilwanyana ukuba uhlolisise ukuba uyaphawula igazi elixutywe neinyembezi zakho. Iimeko ezininzi zezinyembezi zamanzi zihlala zisombulula ngokukhawuleza njengoko ziqala, kodwa kwezinye iimeko, izimbangela ezinzulu ezifana nokunyuka kwengcinezelo engalawulwayo, i-melanoma okanye i-malmali ebulalayo.
> Umthombo:
> I-American Academy ye-Optometry. I-Hemolacria kwiMonde kunye neZifo eziCwangcisayo, i-Optometry neScience Vision, ngoJuni 2013.