Umbono Ophindiwe
Ukubona kabili, noma i-diplopia, kungaba uphawu olukhathazayo futhi ngezinye izikhathi olushaqisayo. Kwenzeka lapho umuntu ebona izithombe ezimbili zento eyodwa. Le nkinga yamehlo ithinta abantu bayo yonke iminyaka futhi ithinta imisebenzi yansuku zonke, kusukela ekufundeni kuya ekushayeleni. Ukubona kabili kunezimbangela ezihlukahlukene, kusukela ekungalinganini kwemisipha yamehlo kuya ezimweni zempilo ezibucayi. Lesi sihloko sihlola izimpawu, izizathu zokubona kabili, kanye nokwelashwa okungenzeka.

Yini i-Double Vision (Diplopia)?
I-Diplopia (i-Double vision), ngokwezokwelapha eyaziwa ngokuthi i-diplopia, yenzeka lapho umuntu ebona izithombe ezimbili zento eyodwa, ngapha nangapha noma zigqagqene. Lesi siphazamiso esibonakalayo sithinta imisebenzi yansuku zonke futhi singabathukuthelisa labo ababhekana nakho.
I-Diplopia (ukubona kabili) ihlukaniswe ngezigaba ezimbili eziyinhloko:
- I-Monocular Diplopia: Lolu hlobo luthinta iso elilodwa kuphela futhi luqhubeke ngisho nalapho iso elingathinteki limboziwe. Ngokuvamile kubonakala njengethunzi noma isithombe sesipoki eduze kwesithombe esikhulu. Lolu hlobo lokubona kabili ngokuvamile alubi kakhulu futhi luvame kakhulu kunozakwabo.
- I-Binocular Diplopia: Kwenzeka uma womabili amehlo evulekile futhi enyamalala lapho iso elilodwa limboziwe. Kubangelwa ukungahambi kahle kwamehlo, ukuwavimbela ekusebenzeni ndawonye ngendlela efanele. I-binocular diplopia ngokuvamile ibhekwa njengento ebucayi kakhulu njengoba ingabonisa izimo zempilo ezingaphansi ezithinta imisipha yamehlo noma imizwa.
Izimbangela zeDiplopia (Double Vision)
I-Diplopia ingabangelwa izimo ezihlukahlukene ezithinta amehlo, imisipha, imizwa, noma ubuchopho. Izifo eziningana ezibangela ukubona kabili zisukela ezinkingeni ezincane kuye kwezingasongela ukuphila.
- Izimbangela Ezihlobene Namehlo: Izinkinga Ze-Corneal: I-cornea, indawo yangaphambili ecacile yeso, ingabangela ukubona okuphindwe kabili uma kuhlanekezelwe. Izinkinga ezijwayelekile zihlanganisa:
- I-Astigmatism
- Amehlo amile
- Amagciwane (isb, shingles noma i-herpes zoster)
- Izibazi zezifo, ukulimala, noma ukutheleleka
- Izinkinga zamalensi: Isizathu esivame kakhulu esihlobene nelensi ulwelwesi lwamehlo, ukufiphala kwelensi evamise ukucaca ngenxa yokuguga. Ezinye izimbangela yilezi:
- Ukubona eduze (myopia)
- Ukubona kude (hyperopia)
- Izibuko ezingalingani kahle noma amalensi okuxhumana
- Ezinye izimo zamehlo:
- I-Keratoconus
- Ukungajwayelekile ku-iris
- Izimbangela Ezihlobene Nemisipha Nezinzwa Zokubona Ngokuphindwe Kabili: Izinkinga Zemisipha Ye-Extraocular: Le misipha ilawula ukunyakaza kwamehlo. Izinkinga zingabandakanya:
- Isifo samathuna
- I-Strabismus
- I-Cranial Nerve Disorders: Izimo ezithile zingalimaza izinzwa ezilawula ukunyakaza kwamehlo, njenge:
- Diabetes
- Isifo se-Guillain-Barré
- I-Myasthenia gravis
- multiple sclerosis
- Isizathu Esihlobene Nobuchopho Sokubona Okukabili:
- Izimo eziningana zobuchopho zingaholela ekuboneni kabili ngokuthinta izindawo ezicubungula ulwazi olubonakalayo:
- I-aneurysm yobuchopho
- Isigaxa sobuchopho
- Ikhanda le-Migraine
- Ukwenyuka kwengcindezi ye-intracranial evela ukopha, ukutheleleka, noma ukuhlukumezeka
- Stroke
- Ezinye Izimbangela:
- I-Giant cell arteritis (I-Arteritis Yesikhashana)
- Ukulimala kwekhanda
- I-Proptosis (Amehlo avulekile)
Izimpawu Zokubona Kabili (Diplopia).
I-Diplopia ingathinta iso elilodwa noma womabili amehlo. Uphawu oluyinhloko lwe-diplopia ukubona izithombe ezimbili zento eyodwa. Lezi zithombe zingavela ngapha nangapha, esinye phezu kwesinye, noma sitsheke kancane. Ukucaca kwalezi zithombe kungahluka; ngezinye izikhathi, zombili zicacile kodwa aziqondani kahle, kanti kwezinye izimo, isithombe esisodwa singaba lufifi futhi esinye sicace.
Ngaphezu kombono ophindwe kabili, abantu abane-diplopia bangabona izimpawu ezilandelayo:
- bekhanda
- Isicanucanu noma ukuzizwa ugula
- isiyezi
- Ubuhlungu bamehlo, ikakhulukazi lapho uhambisa amehlo
Ukuxilongwa kwe-Double Vision
Ochwepheshe bokunakekelwa kwamehlo (Ophthalmologists) badlala indima ebalulekile ekuxilongeni ukubona okukabili kanye nokuthola imbangela eyinhloko yokubona kabili. Inqubo yokuxilonga iqala ngokuhlolwa kwamehlo okuphelele kanye nokuhlolwa kokubona kahle. Lokhu kuhlola kokuqala kusiza uchwepheshe aqonde uhlobo nobukhali bombono okabili.
Ngesikhathi sokuhlolwa, udokotela ubuza imibuzo eminingana ebalulekile ukuze aqoqe imininingwane ebalulekile:
- Ingabe ukubona okukabili kwenzeka ngawo womabili amehlo evuliwe noma elilodwa kuphela?
- Ingabe ukuvala iso elilodwa kwenza isithombe esikabili sinyamalale?
- Ingabe isithombe esikabili sivundlile noma siqondile?
- Zimbi kangakanani izimpawu, futhi sezinesikhathi esingakanani zikhona?
- Ingabe zikhona izinto ezilimazayo noma ezidambisa umbono okabili?
- Ingabe isiguli sinazo izimo zezokwelapha ezifanele, njengesifo sikashukela noma i-vertigo?
- Ingabe isiguli sike sabhekana nokuhlukumezeka kwekhanda kwakamuva noma ukungqubuzana?
Ukuhlola Umzimba:
Udokotela angase enze uchungechunge lwezivivinyo ezingenabuhlungu ukuze ahlole ukuqondanisa kwamehlo nokusebenza kwemisipha. Lokhu kubandakanya:
- Ukuhlolwa Kwe-Prism: Lokhu kuhlola kukala izinga lokungaqondani kahle kwamehlo.
- Ukuhlolwa Kwe-Eye Movement: Lokhu kuhlola kusiza ukuhlola ubuthakathaka bemisipha yamehlo futhi kukhombe noma yiziphi izinkinga ngokunyakaza kwamehlo.
- I-Slit Lamp Examination: Udokotela usebenzisa isibani esinqunyiwe ukuhlola izakhiwo zangaphakathi zeso ngaphansi kokukhulisa.
- Ukuze uthole ukuhlolwa okuphelele, udokotela angase atuse ukuhlolwa okwengeziwe kokuxilonga:
- I-Magnetic Resonance Imaging (MRI): Le ndlela yokuthwebula isiza ekukhipheni izimo ezifana nezimila, ukuvuvukala kwezinzwa, noma ama-aneurysms.
- I-Computed Tomography (CT) Scan: Lokhu kuhlola kunikeza izithombe ezinemininingwane yamathambo, imisipha, nezakhiwo ezizungezile, okusiza ekuhlonzeni izinkinga ezingase zibangele ukubona kabili.
- Ukuhlolwa Kwegazi: Lokhu kuwusizo ekutholeni izimo zezokwelapha eziyisisekelo njenge-Graves' disease noma isifo seLyme, esingaba nomthelela ekuboneni kabili.
Ukwelashwa Kwe-Double Vision
Ukwelashwa kokubona kabili kuncike kumbangela yakhona. Ochwepheshe bokunakekelwa kwamehlo bavumelanisa indlela yokubhekana nesimo esithile sesiguli ngasinye, kusukela ezixazululweni ezilula kuya ekungeneleleni okuyinkimbinkimbi kakhulu.
Ochwepheshe bamehlo bazoncoma ukwelashwa okukodwa noma ngaphezulu kwalokhu okulandelayo:
- Ukuvinjwa Kombono noma Ukufiphalisa:
- Isiqeshana samehlo
- I-Occlusive lens (i-lens yokuxhumana noma ifakwe ezingilazini)
- I-Fresnel prism ifakwa ezingilazini
- Imijovo ye-Botulinum Toxin (Botox): Odokotela bajova i-Botox emsipha wamehlo onamandla ukuze uphumule, okuvumela imisipha yamehlo ebuthakathaka ukuba ilulame.
- I-Prism Therapy: Ama-Prism ezingilazini asiza ukuhlela kabusha izithombe esweni ngalinye. Angakwazi ukunamathela (isikhashana) noma agaywe unomphela kumalensi.
- Ukuhlinzwa: Ezimweni ezingavamile, kungase kudingeke ukuhlinzwa ukuze uphathe izinkinga zemisipha ezithinta ukuqondanisa kwamehlo.
- I-Vision Therapy: Lokhu kwelashwa kungaba yinzuzo ezimeni ezifana nokungakwazi ukuhlangana. Lokhu kwelashwa kuhlanganisa izivivinyo zamehlo ezinqunywe odokotela bamehlo ukuthuthukisa noma ukuthuthukisa amakhono okubuka.
- Ukwelapha Izimo Zokwelapha Eziyisisekelo: Ezimweni lapho ukubona kabili kuvela kwezinye izindaba zezempilo, ukunakekelwa okudidiyelwe nochwepheshe abahlukahlukene kubaluleka.
Uzoyibona Nini Udokotela
I-Diplopia (Ukubona kabili) kungaba uphawu oluphathelene noludinga ukunakwa ngokushesha. Ochwepheshe bokunakekelwa kwamehlo bagcizelela ukubaluleka kokufuna usizo lochwepheshe lapho umuntu ebona izinguquko ekuboneni kwakhe.
Abantu kufanele bavakashele uchwepheshe wokunakekelwa kwamehlo ngokushesha uma behlangabezana:
- Ukubona okukabili okuqhubekayo
- Ukuqala okungazelelwe kokubona kabili
- Uma ezinye izimpawu zihambisana nokubona okukabili, njengobuhlungu beso, isiyezi, ubuthakathaka bemisipha, ukukhuluma kahle, noma ukudideka.
Prevention
Nakuba kungenzeki ngaso sonke isikhathi ukuvimbela ukubona okukabili ngokuphelele, abantu ngabanye bangathatha izinyathelo ezisheshayo ukuze balondoloze impilo yamehlo enhle futhi bahlonze izinkinga ezingase zibe khona kusenesikhathi. Ukugcina impilo yeso elilungile futhi okungenzeka kuvimbele ukubona kabili, abantu kufanele:
- Hlela ukuhlolwa kwamehlo okuvamile njalo ngonyaka owodwa kuya kwemibili, noma kaningi njengoba kunconyiwe, ukuze usize ukuthola nokulungisa izinkinga zombono kusenesikhathi.
- Ukugqoka izibuko ezifanele zokuzivikela noma izibuko ngesikhathi somsebenzi, kwezemidlalo, noma ukuzilibazisa kuvikela amehlo ekulimaleni okungase kubangele izinkinga zokubona.
- Ukunikeza amehlo ikhefu elivamile ezikrinini ze-elekthronikhi usuku lonke kusiza ukunciphisa ubunzima bamehlo nokukhathala.
- Ukuyeka noma ukugwema ukubhema kungasiza ukugcina umbono omuhle.
- Ukuzijwayeza ukuhlanzeka kwamehlo nokugwema ukuwagcoba kungavimbela izifo nokucasuka okungase kuphazamise ukubona.
- A Ukudla okunazo zonke ecebile ngamavithamini A, C, no-E kanye nama-omega-3 fatty acids asekela impilo yamehlo.
- I-hydration efanele isiza ukugcina umswakama wamehlo wemvelo, ukuvimbela ukoma nokungakhululeki.
- Ukuphatha izimo zempilo ezingaphansi kusiza ukuvimbela izinkinga ezithinta ukubona.
- Ukuzivivinya amehlo kungase kuzuzise; lezi zihlanganisa:
- I-Smooth Convergence: Lokhu kuhilela ukugxila entweni encane njengoba isondela ekhaleni, kusize amehlo asebenze ndawonye ngokuphumelelayo.
- I-Jump Convergence: Lo msebenzi udinga ukushintsha ngokushesha ukugxila phakathi kwento ekude neseduze, ukuthuthukisa ikhono lamehlo lokulungisa ngokushesha.
Isiphetho
Ukubona kabili kungaba nomthelela omkhulu empilweni yansuku zonke, kuthinte imisebenzi yokufunda nokushayela. Lokhu kuphazamiseka okubukwayo kubangelwa yizimbangela ezihlukahlukene, kusukela ekungalinganini okuncane kwemisipha yamehlo kuya ezimweni ezinzima zempilo. Ukuqonda izimpawu kanye nezimbangela ezingase zibe khona kusiza abantu ukuthi babone ukuthi kufanele bafune usizo lwezokwelapha, okubalulekile ekuxilongweni nasekulashweni kusenesikhathi. Ngokusebenzisana eduze nodokotela nokulandela ukwelashwa okunconyiwe, abantu abaningi abanombono ophindwe kabili bangathola ukukhululeka futhi bathuthukise izinga labo lempilo.
FAQ sika
1. Ukubona kabili (i-diplopia) kuthinta bani?
Ukubona kabili, noma i-diplopia, ithinta abantu abaningi. Ukuphazamiseka kokubuka okuvamile okuthinta abantu bayo yonke iminyaka. Lesi simo asibandlululi ngokweminyaka noma ubulili, njengoba sibangelwa yizimbangela ezihlukahlukene ezingase zithinte noma ubani.
2. Ivame kangakanani i-diplopia?
I-Diplopia ivame kakhulu. Funa usizo lochwepheshe lokubona kabili ngonyaka.
3. Kubukeka kanjani ukubona kabili?
Lapho umuntu ebona kabili, ubona izithombe ezimbili zento eyodwa esikhundleni seyodwa. Ukubukeka kwalezi zithombe eziphindwe kabili kungahluka:
- Izithombe zingase zidlulelane noma zihlukane.
- Angase abonakale etshekile noma eqondile.
- Kwezinye izimo, inhlanganisela yale miphumela.
Abanye abantu bachaza okwenzekile njengokubona "isithombe sesipoki" esiseduze nesithombe esikhulu.
4. Ngingamisa kanjani ukubona kabili?
Ukumisa ukubona kabili kuncike kumbangela yakhona. Ochwepheshe bokunakekelwa kwamehlo batusa ukwelashwa okuhlukahlukene okusekelwe esimweni esithile, njengezingilazi ezifanele, ezilungisiwe noma amalensi okuxhumana, ukuzivivinya kwamehlo, ukuvimba noma ukufiphala kweso elilodwa kusetshenziswa isibazi seso noma i-occlusive lens, imijovo yobuthi be-botulinum (Botox) emsipha weso onamandla, ukwelapha izimo zesistimu, noma ezimeni ezinzima, ukuhlinzwa kwezinye izinkinga zemisipha.
5. Yikuphi ukuntula okubangela ukubona kabili?
Ukushoda kwevithamini okuningana kuhambisana nombono ophindwe kabili:
- Ukushoda kwe-Vitamin B1 (Thiamine).
- Ukwehla kwe-Vitamin B12
- Ukushoda kuka-Vitamin C
- Ukushoda kweZinc
- Ezinye izici zihlanganisa izinkinga zemisipha yamehlo, izimo zemizwa, nezifo ezihlukahlukene zesistimu.
UDkt. Neelu Agrawal
CARE Medical Team