I-bifocal contact lens ayisekho nje ngamehlo agugayo.Kubantwana be-myopic abaneminyaka eyi-7 ubudala, iilensi zoqhagamshelwano ezininzi ezinobuchule bokufunda idosi ephezulu zinokucothisa kakhulu ukuqhubela phambili kwe-myopia, uphando olutsha lufumene.
Kulingo lweminyaka emithathu yonyango lwabantwana abaphantse babe ngama-300, imiyalelo ye-bifocal contact lens enolona lungiso luphezulu kufutshane nomsebenzi lwehlise ukuqhubela phambili kwe-myopia ngama-43 epesenti xa kuthelekiswa nombono omnye welensi.
Nangona abantu abadala abaninzi kwi-40 yabo bathatha ixesha lokuhlengahlengisa kwi-lens yabo yokuqala ye-multifocal contact lens, abantwana abakwisifundo abasebenzisa iilensi zoqhagamshelwano ezithambileyo ezifanayo ezithengiswayo babengenazo iingxaki zombono nangona amandla abo okulungisa anamandla. umbono kunye "nokwandisa" ubude bojoliso kumsebenzi okufutshane ocela umngeni kumehlo aphakathi.
IiLensi zoQhagamshelwano zeBifocal
“Abantu abadala bafuna iilensi zonxibelelwano ezininzi kuba abasakwazi kugxila ekufundeni,” utshilo uJeffrey Walling, unjingalwazi weOptometry kwiYunivesithi yaseOhio kunye nombhali okhokelayo wophononongo.
“Nangona abantwana benxiba iilensi ezininzi, bayakwazi ukugxila, ngoko kufana nokubanika iilensi zokunxibelelana rhoqo.Kulula ukuba bangene kunabantu abadala.”
Uphononongo, olubizwa ngokuba yi-BLINK (Bifocal Lenses for Children with Myopia), yapapashwa namhlanje (Agasti 11) kwi-JAMA.
Kwi-myopia, okanye ukubona kufutshane, iliso likhula libe yimo emide ngendlela engalungelelaniswanga, isizathu sokuba sihlale siyimfihlakalo.Uphononongo lwezilwanyana lunike izazinzulu amandla okuba iilensi zonxibelelwano zilawule ukukhula kwamehlo ngokusebenzisa icandelo lokufunda le-lens yoqhagamshelwano ye-multifocal. ukugxila ekukhanyeni phambi kwe-retina - umaleko weethishu ezikhanyayo emva kweso - ukucotha ukukhula kwamehlo.
“Ezi lensi zoqhagamshelwano zininzi zihamba neliso kwaye zinika ugxininiso oluthe kratya phambi kweretina kuneeglasi,” utshilo uWaring, okwalilungu elidityanisiweyo lophando kwiSikolo seOptometry saseOhio State.” Kwaye sifuna ukuthoba isantya sokukhula. kwamehlo, kuba i-myopia ibangelwa kukukhula kwamehlo ixesha elide.”
Olu pho nonongo kunye nabanye sele benze inkqubela phambili kunyango lwabantwana be-myopic, u-Waring uthe.Izinketho zibandakanya iilensi zoqhagamshelwano ezininzi, iilensi zoqhagamshelwano ezilungisa i-cornea ngexesha lokulala (ebizwa ngokuba yi-orthokeratology), uhlobo oluthile lwamaconsi amehlo abizwa ngokuba yi-atropine, kunye neeglasi ezikhethekileyo.
I-Myopia ayiyongxaki nje.I-Myopia yonyusa umngcipheko wokuba ne-cataract, i-retinal detachment, i-glaucoma, kunye ne-myopic macular degeneration.Zonke ezi meko zinokubangela ukulahleka kombono, nangeeglasi okanye iilensi zoqhagamshelwano.Kukwakho nezinto ezisemgangathweni wobomi - ukubona kancinci kuphucula amathuba otyando lwelaser ukulungisa ngempumelelo umbono kwaye ungakhubazi xa unganxibanga izilungelelaniso, njengaxa uvuka ekuseni.
I-Myopia nayo ixhaphakile, ichaphazela malunga nesinye kwisithathu sabantu abadala e-US, kwaye iya ixhaphake kakhulu - njengoko uluntu lwezenzululwazi lukholelwa ukuba abantwana bachitha ixesha elincinane ngaphandle kunokuba bebesenza ngaphambili.I-Myopia iqala ukuqala phakathi kweminyaka eyi-8 kunye ne-10 kwaye uqhubela phambili ukuya kwiminyaka eyi-18.
UWalline ebefunda ngokusetyenziswa kwee-contact lens zabantwana iminyaka emininzi kwaye ufumanise ukuba ukongezelela ekubeni ilungele ukubona, iilensi zoqhagamshelwano zinokuphucula ukuzithemba kwabantwana.
Wathi: “Oyena mntwana umncinci kakhulu endakha ndafunda naye wayeneminyaka esixhenxe ubudala.” Asingabo bonke abantu abaneminyaka engama-25 ubudala abakwaziyo ukunyamezela iicontact lens.Malunga nesiqingatha sabantwana abaneminyaka esi-7 ubudala banokungena ngokufanelekileyo kwiilensi zokunxibelelana, yaye phantse bonke abaneminyaka esi-8 ubudala banako.”
IiLensi zoQhagamshelwano zeBifocal
Kulo vavanyo, olwenziwa kwiYunivesithi yaseOhio State kunye neYunivesithi yaseHouston, abantwana be-myopic abaneminyaka eyi-7-11 babelwa ngokungenamkhethe kwelinye lamaqela amathathu abanxibe i-lens yoqhagamshelwano: i-monovision okanye i-multifocal prescription kunye ne-1.50 yokwanda kwe-diopter ekufundeni okuphakathi okanye Ukongezwa okuphezulu kwe-2.50 diopters.I-Diopter yiyunithi yokulinganisa amandla optical afunekayo ukulungisa umbono.
Njengeqela, abathathi-nxaxheba babenomlinganiselo we-diopter ye-2.39 diopters ekuqaleni kwesifundo.Emva kweminyaka emithathu, abantwana abanxibe iilensi zexabiso eliphezulu babenokuqhubela phambili okuncinci kwe-myopia kunye nokukhula kwamehlo okungaphantsi. ii-bifocals zikhulise amehlo azo nge-0.23 mm ngaphantsi kwiminyaka emithathu kunabo banxiba i-single vision.
Abaphandi baqaphela ukuba ukunciphisa ukukhula kwamehlo kufuneka ukulungelelaniswa kuyo nayiphi na imingcipheko ehambelana nokuvumela abantwana ukuba bamkele izakhono zokufunda eziqinileyo ixesha elide ngaphambi kokuba abantwana bafune le nqanaba lokulungiswa.Kwakukho umahluko oonobumba ababini phakathi kwabafake iilensi ze-monofocal kunye nabafake i-lens multifocal xa ukuvavanya amandla abo okufunda oonobumba abangwevu kwimvelaphi emhlophe.
"Imalunga nokufumana indawo emnandi," utshilo uWaring. ”Enyanisweni, sifumanise ukuba namandla okongeziweyo aphezulu awazange anciphise umbono wabo, kwaye ngokuqinisekileyo hayi ngendlela ehambelana nekliniki.
Iqela lophando liye laqhubeka lilandela abathathi-nxaxheba abafanayo, libaphatha nge-high-attach bifocal lens iminyaka emibini ngaphambi kokuba batshintshe bonke kwiilensi zoqhagamshelwano zombono omnye.
“Umbuzo ngowokuba, siyacothisa ukukhula kwamehlo, kodwa kwenzeka ntoni xa siwakhupha kunyango?Ngaba babuyela apho babecwangciswe kwangaphambili?Ukomelela kwesiphumo sonyango yinto esiza kuyihlola, ”utshilo uWalline..
Uphando luxhaswe ngemali yiNational Eye Institute, inxalenye yeZiko leSizwe lezeMpilo, kwaye ixhaswa nguBausch + Lomb, obonelela ngezisombululo zelensi zoqhagamshelwano.
Ixesha lokuposa: Jul-17-2022
