Wake wake wema ukucabanga ngendlela amehlo akho asebenza ngayo ngokumangalisayo nangokungenamsebenzi nsuku zonke? Uhlala uhlola indawo okuzungezile, ufunda, ubheka ifoni yakho, noma uvala amehlo nomngane ngesikhathi sengxoxo. Ukuze ugxile ngqo kukho konke okubonayo, amehlo akho athembele ohlelweni lwemisipha oluncane kodwa olubaluleke kakhulu. Namuhla, ake sihlole le misipha yamehlo ngokuningiliziwe.
Iyini imisipha yamehlo futhi ikuphi?
Kalula nje, iso lakho ngalinye lilawulwa yimisipha eyisithupha . Le misipha ikuvumela ukuthi ujikeleze amehlo akho ngakwesobunxele, kwesokudla, phezulu, phansi, nangokuqondile. Isibonelo, uma uhamba futhi udinga ukubheka ngokushesha imoto esondela ohlangothini noma ukulandelela inyoni endiza phezulu, lena yimisipha egxumayo esenzweni.
Le misipha inamathele ngaphandle kwenhlamvu yeso. Ngenxa yalokhu, ochwepheshe bezokwelapha bavame ukuyibiza ngokuthi imisipha 'yangaphandle' (noma yangaphandleimisipha ).
Nakuba le misipha yangaphandle ilawula ngokuyinhloko indlela amehlo akho abheka ngayo, nayo idlala indima ebalulekile ekhwalithini yombono wakho. Ukuze amehlo akho asebenze kahle, kumele ahambe ngokuvumelana —okusho ukuthi ngesikhathi esifanayo, ohlangothini olufanayo, nangejubane elifanayo. Uma lokhu kuhlangana kwehluleka, ungase ube nenkinga yokuqonda ukujula kanye nombono we-3D. Cabanga ngokuhamba phansi ezitebhisini; uma amehlo akho engakwazi ukwahlulela ngokunembile ukujula kwesinyathelo ngasinye, kungaholela ekuweni. Ukuhlanganiswa okufanele kwemisipha yamehlo akho kubalulekile ukuze uzulazule emhlabeni wakho ngokuphephile.
Izinhlobo Ezimbili Zemisipha Yamehlo
Kunezinhlobo ezimbili eziyinhloko zemisipha yamehlo:
1. Imisipha ye-rectus
2. Imisipha egobile
1. Imisipha Ye-Rectus
Iso ngalinye linemisipha emine ye-rectus. Amagama nezikhundla zazo yilezi ezilandelayo:
- I-rectus ephezulu: Itholakala ngaphezu kweso, le misipha ikusiza ukuthi ubheke phezulu.
- I-rectus ephansi: Ibekwe ngaphansi kweso, lo msipha udonsela amehlo akho phansi.
- I-Medial rectus: Itholakala ohlangothini oluseduze nekhala lakho, lo msipha usiza ekuphenduleni iso lakho ngaphakathi (libheke ekhaleni).
- I-rectus eseceleni: Ibekwe ohlangothini lwangaphandle (eduze kwendlebe yakho), lo msipha uhambisa iso lakho ngaphandle (ngasendlebeni).
2. Imisipha Engaguquki
Iso ngalinye liphinde libe nemisipha emibili eqondile, enemisebenzi eyinkimbinkimbi kakhulu.
- I-Superior oblique: Lo msipha usebenza njenge-pulley. Uqala ngemuva kweso, uhambe uye phambili uye ku-loop encane yethambo esokisini leso elibizwa ngokuthi i- trochlea , bese unamathela phezulu kwebhola leso ngemuva kwe-rectus ephezulu. Indima yawo eyinhloko ukujikisa iso liye phansi nangaphandle.
- I-Inferior oblique: Lo msipha uqala engxenyeni engezansi nengaphakathi yeso, udlule ngemuva kwe-lateral rectus, bese unamathela ohlangothini olungaphandle lwebhola leso. Kukusiza ukuthi uhambise iso lakho phezulu nangaphandle.
Imisipha yamehlo isebenza kanjani?
Zonke imisipha yamehlo eyisithupha yangaphandle isebenza ngambili . Uma imisipha eyodwa inyakaza, enye ngaphakathi kweso elifanayo isiza ukulinganisela nokulawula lokho kunyakaza—njengokudonsana lapho amandla aphikisanayo egcina izinto zizinzile. Yingakho amehlo akho enobubanzi obuthile bokunyakaza.
Kukhona futhi inqubo ebalulekile ebizwa ngokuthi ukubopha ijoka . Njengezinkabi ezidonsa inqola ndawonye, amehlo akho axhumene nokuhamba ngendlela efanayo ngesikhathi esisodwa. Lokhu kuqinisekisa ukuthi womabili amehlo agxile entweni efanayo, okukuvumela ukuthi ubone kahle futhi ugcine ukujula.
Yimiphi imizwa elawula le misipha?
Ukunyakaza kwamehlo akho kulawulwa yizimbambo ezintathu ezithile zemizwa ye-cranial ezivela ebuchosheni bakho:
- I-Cranial nerve III (i-Oculomotor nerve): Le nerve ilawula imisipha ye-rectus ephezulu, engaphansi, kanye ne-medial rectus, kanye ne-inferior oblique. Iwumsebenzi oyinhloko wokunyakaza kwamehlo akho.
- I-cranial nerve IV (i-Trochlear nerve): Le nerve ilawula ngqo imisipha eqondile ephezulu.
- I-Cranial nerve VI (i-Abducens nerve): Le nerve ilawula imisipha ye-lateral rectus.
Ubuchopho bakho buthumela izimpawu eziqondile ngalezi zinzwa ukuze kugcinwe imisipha yamehlo akho isebenza kahle.
Izimo ezivamile ezithinta imisipha yamehlo
Izinkinga zemisipha yamehlo ngokuvamile ziwela ezigabeni ezimbili: ukuphazamiseka kwemisipha kanye nezinkinga ezihlobene nesistimu yezinzwa . Ngaphezu kwalokho, ukulimala kweso, ugebhezi, noma izicubu ezizungezile kungabangela umonakalo. Isibonelo, ukulimala okukhulu kwekhanda noma kobuso kungabangela ukuphuka kwethambo okubamba imisipha yamehlo, isimo esaziwa ngokuthi ukubhajwa .
Lesi yisimo esiphuthumayo sezokwelapha. Uma usola ukuthi ukulimala kubambe imisipha yeso, funa usizo oluphuthumayo esibhedlela esiseduze ngokushesha. Ukungenelela okusheshayo kuyadingeka ukuze kuvinjelwe umonakalo ohlala njalo noma izinkinga ezinkulu.
Izinkinga zemisipha
Lezi zimo zingaba buthakathaka imisipha yamehlo futhi zingase zifuzwe noma zitholakale ngokuhamba kwesikhathi, okuhlanganisa:
- I-Myotonic dystrophy
- I-Oculopharyngeal muscular dystrophy (OPMD)
- I-Kearns-Sayre syndrome
- I-Myositis (ukuvuvukala kwemisipha)
- Isifo samehlo se-thyroid (isifo sikaGraves)
- I-Strabismus (amehlo aphambene/aphambene) noma i-Amblyopia (amehlo avilaphayo)
- Izinhlobo zezimila ezingavamile
Izinkinga ezihlobene nesistimu yezinzwa
Ngenxa yokuthi imisipha yakho yamehlo incike ngokuphelele ezimpawini zezinzwa ezivela ebuchosheni, noma yisiphi isimo esithinta izinzwa ze-cranial noma ubuchopho ngokwabo singathinta kakhulu indlela amehlo akho ahamba futhi asebenza ngayo.
Ukukhubazeka kwemizwa yobuchopho yizimo zemisipha ezithinta imizwa elawula ukunyakaza kwamehlo. Nakuba lokhu kungabandakanya noma yiziphi izinzwa ezintathu ezithile, ukukhubazeka kwemizwa kwesithupha (i-abducens) yikona okuvame kakhulu. Ezinye zizalwa nazo, kodwa eziningi zenzeka kamuva ekuphileni ngenxa yokulimala noma izimo zempilo ezingaphansi.
Ezinye izimo zezinzwa ezithinta ukunyakaza kwamehlo zifaka:
- I-Myasthenia gravis
- I-multiple sclerosis
- Ukuhlaselwa yisifo sohlangothi kanye nokuhlaselwa yi-ischemic okungapheli (TIAs)
- Izimila zobuchopho kanye nomdlavuza, noma lezo ezithinta imizwa yobuchopho exhunywe emisipheni yamehlo
- Izilonda zemizwa noma zobuchopho, noma izimo zokuvuvukala ezibangelwa izifo ezifana nesifo seLyme
- I-Migraines
- Isifo sikaParkinson kanye neParkinsonism
Ziyini izimpawu zokuphazamiseka kwemisipha yamehlo?
Izimpawu ezivamile ezihambisana nezinkinga zokunyakaza kwamehlo zifaka:
- Ijwabu leso eligobile (i-Ptosis)
- Ukunyakaza kwamehlo okusheshayo, okungahleliwe (i-Nystagmus)
- Ukungalungi kahle kwamehlo uma kusetshenziswa ndawonye, njenge-exotropia (ukujika kwangaphandle) kanye ne-esotropia (ukujika kwangaphakathi)
- Ukwehluleka kwamehlo ukuhambisana kahle lapho embozwe, njenge-exophoria kanye ne-esophoria
- Ukungakwazi kweso elilodwa ukuhamba liye ohlangothini oluthile (Intranuclear ophthalmoplegia)
Ezinye izimpawu zivela ngoba amehlo akho awakwazi ukusebenza ngokuvumelana, okubangela izinkinga ezifana nalezi:
- Ukungasebenzi kahle kokubona kwe-binocular (ubunzima bokuxhumanisa izithombe ezivela emehlweni womabili)
- Ukubona kabili (i-diplopia)
- Umbono ofiphele
- Isiyezi
- I-Vertigo (umuzwa wokujikeleza)
- Ukugula ngokunyakaza, isicanucanu, noma ukuhlanza
- Ukucindezeleka kwamehlo (i-asthenopia)
Impilo yemisipha yamehlo ihlolwa kanjani?
Ukuhlolwa kwezinzwa kuyindlela ephumelela kakhulu yokuhlola ukusebenza kwemisipha yamehlo. Udokotela wakho uzokucela ukuthi uhambise amehlo akho ngendlela ethile . Uma amehlo akho engawatholi kahle, lokhu kusebenza njengenkomba ebalulekile yokuxilonga izimo ezingaphansi.
Ngaphezu kwalokho, ukuhlolwa kwelebhu , ngokuvamile umsebenzi wegazi, kungacelwa ukuze kutholakale ama-antibodies athile noma ama-biomarker. Lokhu kubalulekile ekutholeni izimo ezifana nezinkinga ze-thyroid noma izifo ezizimele.
Yiziphi izindlela zokwelapha ezivamile zokuphazamiseka kwemisipha yamehlo?
Ukwelashwa kuyahlukahluka kakhulu. Ezinye izimo ziyaxazululeka ngokwazo ngaphandle kokungenelela . Uma inkinga ibangelwa yisifo esiyisisekelo, ukwelapha isimo esiyinhloko kuvame ukulungisa izinkinga zokunyakaza kwamehlo.
Uma ukwelashwa okuqondile kuyadingeka, izinketho zifaka:
- Imithi : Lokhu kuncike ngokuphelele ekuxilongweni kwakho kanye nephrofayili yempilo yakho.
- Ukuhlinzwa : Uma ezinye izindlela zokwelapha zingasebenzi, ukuhlinzwa kungacatshangelwa, nakuba kungavamile ukuba umugqa wokuqala wokuzivikela.
Uchwepheshe wakho wokunakekelwa kwamehlo noma umhlinzeki wezempilo uzokuqondisa ngezinketho ezenzelwe isimo sakho esithile , umlando wezokwelapha, kanye nezidingo zomuntu siqu njengengxenye yokuzibophezela kweNirogi Lanka ekunakekelweni kwakho.
Ngingazivikela kanjani imisipha yamehlo ami?
Ungalondoloza impilo yemisipha yamehlo akho ngokulandela lezi zinyathelo:
- Thola ukuhlolwa kwamehlo njalo : Uchwepheshe wakho wamehlo uqeqeshwe ukuthola ukulingana okuncane nezinkinga zemisipha ongase ungaziboni.
- Gqoka isivikelo samehlo : Ukulimala kwamehlo, kobuso, noma ekhanda kungaphazamisa ukusebenza kwemisipha yamehlo unomphela. Ukugqoka izinto zokuzivikela ezifanele, njengezibuko noma izibuko ezingashayisani, kungavimbela ukulimala okushintsha impilo.
Kunini lapho kufanele uthole khona iseluleko sezokwelapha ngezinkinga zokunyakaza kwamehlo?
Izinkinga zokunyakaza kwamehlo ngezinye izikhathi zingaba uphawu lwezimo eziphuthumayo zezokwelapha ezinzima nezisongela ukuphila . Uma uhlangabezana nobunzima bokuhambisa amehlo akho kulezi zimo, funa usizo lwezokwelapha oluphuthumayo ngokushesha :
- Ukuqala ngokuzumayo : Izinguquko ezisheshayo ekulawuleni amehlo noma ekuboneni zidinga ukunakekelwa okuphuthumayo.
- Ngemva kokulimala ekhanda noma ebusweni : Ukuphuka kwekhanda noma ukuxhuzula kungathinta ngqo imisipha yamehlo futhi kudinga ukungenelela okusheshayo kwe-ER.
- Izimpawu zesifo sohlangothi : Uma uzwa ubuthakathaka noma ukungabi namandla engalweni noma emlenzeni, ubunzima bokukhuluma ngokuzumayo, noma ukuwohloka kobuso, shayela u-911 noma uvakashele umnyango wezimo eziphuthumayo wesibhedlela esiseduze nawe ngokushesha.
Khumbula: Uma ungabaza, ungalibali. Ukuxilongwa kusenesikhathi kanye nokwelashwa kubalulekile ekufinyeleleni imiphumela emihle kakhulu yezempilo yamehlo akho.
Umyalezo Okufanele Uwukhumbule: Amaphuzu Abalulekile Okufanele Uwakhumbule
Uma ufunda lesi sihloko, zinike isikhashana ukubonga imisipha yamehlo akho. Yilezi misipha emangalisayo evumela amehlo akho ukuthi alandele wonke amagama owabonayo. Zidlala indima ebalulekile empilweni yakho, kodwa sivame ukuzishaya indiva, akunjalo?
Ukuvikela amehlo akho ekulimaleni kubaluleke kakhulu. Okubaluleke ngokulinganayo ukuhlala njalo uhlolwa amehlo njalo . Ungalokothi uzishaye indiva izimpawu ezihlobene nemisipha yamehlo akho, noma ngabe unomuzwa wokuthi zingase zibe zincane. Ukunakekela kahle imisipha yamehlo akho kuzokusiza ukuthi uqhubeke nokubona umhlaba okuzungezile ngokucacile iminyaka ezayo ngeNirogi Lanka.
👩🏽⚕️ Imibuzo Evame Ukubuzwa (Imibuzo Evame Ukubuzwa)
💬 Iyini imisipha yamehlo?
Iso ngalinye lilawulwa yimisipha emincane eyisithupha exhunywe ngaphandle kwebhola leso. Lokhu kuvumela amehlo akho ukuthi ahambe aye phezulu, phansi, futhi kuzo zonke izinhlangothi ngokushelela.
💬 Kwenzekani uma le misipha iba buthakathaka?
Uma imisipha ohlangothini olulodwa iba buthakathaka, amehlo angase ahluleke ukusebenza ndawonye, okuholela esimweni esibizwa ngokuthi i-strabismus (ukungahambisani kahle kwamehlo). Lokhu kuvamile kakhulu ezinganeni futhi kufanele kuhlolwe uchwepheshe wokunakekelwa kwamehlo.
💬 Ingabe zikhona ezinye izimo ezithinta le misipha?
Yebo, izimo ezithile zezinzwa, njenge-multiple sclerosis, zingaphazamisa indlela lezi misipha ezisebenzisana ngayo, okuholela ekuboneni okufiphele okwesikhashana noma ekuboneni okuphindwe kabili (i-diplopia). Uma ubhekana nokushintsha kokubona okungazelelwe, sicela uxhumane nodokotela wakho noma ufune izinsizakalo eziphuthumayo ngokushesha.
Amagama angukhiye: Imisipha yamehlo, imisipha yangaphandle kwamehlo, ukunyakaza kwamehlo, umbono, impilo yezinzwa, izimpawu, ukunakekelwa kwamehlo, iNirogi Lanka
