●Yintoni i-cataract?
Iliso lifana nekhamera apho ilensi isebenza njengelensi yekhamera elisweni. Xa liselula, ilensi ibonakala ngokucacileyo, iyanwebeka kwaye iyakwazi ukusondeza. Ngenxa yoko, izinto ezikude nezikufutshane zinokubonakala ngokucacileyo.
Njengoko iminyaka ikhula, xa izizathu ezahlukeneyo zibangela utshintsho ekungeneni kwelensi kunye neengxaki zemetabolism, ilensi ineengxaki zokuguquka kweproteni, ukudumba kunye ne-epithelial hyperplasia. Okwangoku, ilensi eyayikade icacile njengejeli iya kuba yi-turbid opaque, oko kukuthi, xa ikwi-cataract.
Nokuba i-opacity yelensi inkulu okanye incinci, ichaphazela umbono okanye ayichaphazeli, inokubizwa ngokuba yi-cataract.
● Iimpawu ze-cataract
Iimpawu zokuqala ze-cataract azibonakali, kuphela xa ubona kancinci. Izigulana zisenokuyijonga ngempazamo njenge-presbyopia okanye ukudinwa kwamehlo, okunokuphoswa lula kukuxilongwa. Emva kwe-metaphase, ukungabonakali kwelensi yesigulana kunye nobungakanani bombono ongaqondakaliyo kuyakhula, kwaye banokuba nemvakalelo engaqhelekanga efana ne-double strabismus, i-myopia kunye ne-glare.
Iimpawu eziphambili ze-cataract zezi zilandelayo:
1. Ukubona Okungalunganga
Ukungacaci kakuhle okujikeleze ilensi akunakuyichaphazela indlela ebona ngayo; nangona kunjalo ukungabonakali kakuhle kwindawo ephakathi, nokuba umda umncinci kakhulu, kuya kuyichaphazela kakhulu indlela ebona ngayo, nto leyo ebangela ukuba umbono ofipheleyo kunye nokusebenza kokubona kunciphe. Xa ilensi inamafu kakhulu, umbono unokuncipha ube kukubona okukhanyayo okanye nokuba yimfama.
2. Ukunciphisa uvakalelo lokungafani
Kubomi bemihla ngemihla, iliso lomntu kufuneka lihlukanise izinto ezinemida ecacileyo kunye nezinto ezinemida efipheleyo. Olu hlobo lokugqibela lwesisombululo lubizwa ngokuba luluvo lokungafani. Izigulane ezine-cataract zisenokungaziva zibonakala ziwohloka ngokubonakalayo, kodwa uluvo lokungafaniyo luyancipha kakhulu. Izinto ezibonakalayo ziya kubonakala zifumile kwaye zifiphele, nto leyo ebangela ukuba kubekho i-halo phenomenon.
Umfanekiso obonwa ngamehlo aqhelekileyo
Umfanekiso obonwe kwisigulana esiphezulu esinesifo se-cataract
3. Tshintsha nge-Color Sense
Ilensi enamafu yesigulane esine-cataract ifunxa ukukhanya okuluhlaza okwesibhakabhaka, nto leyo eyenza amehlo angabi namvakalelo kangako kwimibala. Utshintsho kumbala we-nucleus yelensi luchaphazela nombono wombala, kunye nokulahleka kokukhanya kwemibala (ingakumbi i-blues kunye ne-greens) emini. Ngoko ke izigulane ezine-cataract zibona umfanekiso owahlukileyo kubantu abaqhelekileyo.
Umfanekiso obonwa ngamehlo aqhelekileyo
Umfanekiso obonwe kwisigulana esiphezulu esinesifo se-cataract
●Ungazikhusela njani kwaye unyange njani i-cataract?
I-cataract sisifo esiqhelekileyo nesihlala sisenzeka kwi-ophthalmology. Unyango oluphambili lwe-cataract lutyando.
Izigulane ezinesifo sokuwohloka kwasebusheni azinampembelelo ingako kubomi bombono wesigulana, ngokubanzi unyango alubalulekanga. Zinokulawula izinga lenkqubela phambili ngokusebenzisa amayeza amehlo, kwaye izigulane ezineenguqu zokuhombisa kufuneka zinxibe iiglasi ezifanelekileyo ukuphucula umbono.
Xa i-cataract iba mandundu kwaye umbono ongemhle uchaphazela ubomi bemihla ngemihla, kufuneka kwenziwe utyando. Iingcali zithi umbono emva kotyando awuzinzanga ngexesha lokuchacha kwinyanga e-1. Ngokwesiqhelo izigulane kufuneka zenze uvavanyo lwamehlo kwiinyanga ezi-3 emva kotyando. Ukuba kuyimfuneko, nxiba iiglasi (myopia okanye iglasi yokufunda) ukuze ulungise umbono okude okanye okufutshane, ukuze ufumane isiphumo esingcono sokubona.
I-Universe Lens inokuthintela izifo zamehlo, ulwazi oluthe vetshe nceda undwendwele:https://www.universeoptical.com/blue-cut/