Ukuqonda Ukuqonda Okungekhulu: Izimpawu, Izimbangela, Nokwelashwa

Ukuqonda okungekhulu, okubizwa nangokuthi i-myopia, kusho ukuthi uyakwazi ukubona izinto ngokucacile eduze kodwa izinto ezikude zibonakala zifihliwe noma zingenacala. Kungelinye lamathemba okuqonda ajwayelekile, elithinta cishe ingxenye yabantu abadala e-United States.

Lokhu kwenzeka uma ibhola lakho leso lide kakhulu noma i-cornea yakho (ingxenye yangaphambili ecacile yeso lakho) iqondile kakhulu. Ukukhanya okungena esweni lakho kugxila phambi kwe-retina yakho esikhundleni sokuthi kugxile kuyo ngqo, okwenza izinto ezikude zibonakale zingacaci.

Ziyini izimpawu zokuqonda okungekhulu?

Isici esiyinhloko sokuqonda okungekhulu ukuba nobunzima bokuqonda izinto ezikude ngokucacile ngenkathi ukuqonda okudume kakhulu kuhlala kucace. Ungase uqaphele lokhu uma uzama ukufunda izibonisi zezindlela, ubona ibhodi esikoleni, noma uqonde ubuso obukhude.

Nazi izimpawu ezivamile ongazihlangabezana nazo:

• Ukuqonda okungacaci uma ubheka izinto ezikude
• Ukuqina amehlo ukuze ubone izinto ezikude ngokucacile
• Izinhlungu zekhanda ezivela ekukhatheleni kwamehlo
• Ukukhathala kwamehlo, ikakhulukazi ngemuva kokushayela noma imidlalo
• Ukukhanya amehlo njalo noma ukuwasula
• Ubunzima bokuqonda ebusuku noma ekukhanyeni okuncane

Ezinganeni, ungase uqaphele ukuthi zihlala eduze ne-TV, zibamba izincwadi eduze kakhulu ebusweni bazo, noma zibonakala zingazi izinto ezikude. Ezinye izingane zingase zibe nobunzima esikoleni uma zingakwazi ukubona ibhodi ngokucacile.

Lezi zimpawu zivame ukuthuthuka kancane kancane, ngakho ungase ungaziqapheli ngokushesha. Izindaba ezinhle ukuthi uma sekuxilongwe, ukuqonda okungekhulu kungalungiswa kalula ngezigqoko, ama-contact lenses, noma ukuhlinzwa.

Ziyini izinhlobo zokuqonda okungekhulu?

Ukuqonda okungekhulu kuza ngezindlela ezahlukene, nokuqonda ukuthi yiluphi uhlobo olulokhu kunceda udokotela wakho wamehlo ukukhetha indlela yokwelapha engcono kakhulu. Izigameko eziningi zifaka izigaba ezimbili eziyinhloko ngokususelwa ekuthambeni nangesizathu.

I-myopia elula yilohlobo oluvamile kakhulu. Ivamise ukuthuthuka ebuntwaneni noma ebudaleni futhi ihlala iqinile ekuqaleni kobudala. Lolu hlobo ngokuvamile luthambile kuya kokuphakathi futhi luphendula kahle ezigqokweni noma kuma-contact lenses ajwayelekile.

I-myopia ephezulu, ebizwa nangokuthi i-myopia ye-pathological, inamandla kakhulu. Uma i-prescription yakho inamandla kakhulu kunama- -6.00 diopters, cishe une-myopia ephezulu. Lolu hlobo luhlala luqhubeka luwohloka ukuphila konke futhi lungandisa ingozi yezinkinga ezinkulu zamehlo njengokuhlukana kwe-retina noma i-glaucoma.

Kukhona ne-myopia eyenzeka ngokuwohloka, uhlobo oluyimfihlo kodwa olukhulu lapho ibhola leso liqhubeka nokuqina nokukhula. Lokhu kungabangela izinkinga ezinkulu zokuqonda futhi kudinga ukunakekelwa okukhethekile kwesazi sezokwelapha amehlo.

Yini ebangela ukuqonda okungekhulu?

Ukuqonda okungekhulu kwenzeka uma iso lakho likhula lide kakhulu kusuka phambi kuya emuva, noma uma i-cornea nelensi zigoba ukukhanya kakhulu. Esikhundleni sokuqondisa ukukhanya ngqo kwi-retina yakho, kugxila phambi kwayo, kudala lokho ukuqonda okungacaci okujwayelekile kwezinto ezikude.

Izici eziningana zingase zifake isandla ekuthuthukiseni ukuqonda okungekhulu:

• I-Genetics - uma abazali bakho baqonda okungekhulu, nawe cishe uzoqonda okungekhulu
• Umsebenzi omningi eduze njengokufunda, ukusebenzisa ikhompyutha, noma ubuciko obuqondene nemininingwane
• Isikhathi esincane esichithwa ngaphandle, ikakhulukazi ebuntwaneni
• Izici zemvelo njengokukhanya okubi ngesikhathi sokufunda
• Ukuzalwa ngaphambi kwesikhathi noma isisindo esincane sokuzalwa

Ucwaningo lwamuva lubonisa ukuthi izingane ezichitha isikhathi esiningi ngaphandle zinezinga eliphansi lokuqonda okungekhulu. Ukukhanya kwemvelo nokuqonda okude okudingekayo kwemisebenzi yangaphandle kungase kusize ekuvikeleni amehlo athuthukayo.

Ezimeni ezingavamile, ukuqonda okungekhulu kungase kubangelwe ezinye izimo zamehlo njenge-keratoconus (i-cornea enjengekhoni) noma ama-cataracts. Amanye ama-antibiotics, ikakhulukazi amanye ama-antibiotics, angase abangele ukuqonda okungekhulu okwesikhashana.

Nini kufanele ubone udokotela ngokuqonda okungekhulu?

Kufanele uhlele ukuhlolwa kwamehlo uma ubunzima bokuqonda izinto ezikude ngokucacile noma uhlangabezana nokukhathala kwamehlo. Ukutholakala kwangaphambi kwesikhathi nokwelashwa kungavimbela ukuqonda kwakho ukuba kubi kakhulu futhi kukusize ubone ngokunethezeka.

Yenza i-appointment nodokotela wamehlo uma uqaphela:

• Ukuqonda okungacaci okuhlupha imisebenzi yansuku zonke
• Izinhlungu zekhanda eziqhele noma ukukhathala kwamehlo
• Ubunzima bokuqhuba, ikakhulukazi ebusuku
• Ukuqina amehlo ukuze ubone izinto ezikude
• Ukushintsha ezidingweni zakho zokubhalwa kwamanje

Ezinganeni, qaphela izimpawu njengokuhlala eduze kakhulu ne-TV, ukubamba izincwadi eduze kakhulu, noma ukukhononda ngokungakwazi ukubona ibhodi esikoleni. Izingane kufanele zibe nokuhlolwa kwazo kokuqala kwamehlo okuphelele ngeminyaka engu-3, bese njalo phakathi neminyaka yesikole.

Funani usizo lwezokwelapha ngokushesha uma uhlangabezana nokushintsha kokuqonda okungazelelwe, ukukhanya okuqhumayo, noma isithunzi esinjengebhethani esweni lakho. Lokhu kungase kube izimpawu zezinkinga ezinkulu, ikakhulukazi uma une-myopia ephezulu.

Ziyini izici ezikhulayo zokuqonda okungekhulu?

Izici ezithile zikwenza kube lula ukuthuthukisa ukuqonda okungekhulu, nakuba ukuba nezici ezikhulayo akusho ukuthi uzoqonda okungekhulu. Ukuqonda lokhu kungakusiza uthathe izinyathelo zokuvikela ukuqonda kwakho.

Isici esinamandla kakhulu yimbali yomndeni. Uma omunye umzali eqonda okungekhulu, unethuba elingu-25% lokuthuthukisa futhi. Uma bobabili abazali baqonda okungekhulu, ingozi yakho iyanda cishe ibe ngu-50%.

Izici zesitayela sokuphila ezandisa ingozi yakho zifaka:

• Ukuchitha isikhathi esiningi emisebenzini eduze njengokufunda noma ukusebenzisa ikhompyutha
• Isikhathi esincane sangaphandle, ikakhulukazi ebuntwaneni
• Ukukhanya okubi ngesikhathi somsebenzi oseduze
• Amazinga aphezulu emfundo noma umsebenzi wezemfundo onzima
• Ukuhlala ezindaweni zasemadolobheni lapho kunendawo encane yangaphandle

Ubudala buphinde bube nomthelela. Ukuqonda okungekhulu kuvame ukuthuthuka phakathi kweminyaka engu-6 no-14, lapho amehlo esakhula.

Ezinye izimo zezokwelapha ezingavamile njenge-Marfan syndrome noma i-Down syndrome zingase futhi zikhulise ingozi yokuqonda okungekhulu. Izingane ezingazalwanga ngesikhathi zingase zibe lula ukuthuthukisa izinkinga zokuqonda, kufaka phakathi i-myopia.

Ziyini izinkinga ezingase zenzeke ngokuqonda okungekhulu?

Abantu abaningi abane-myopia ethambile kuya kokuphakathi baphila impilo evamile, enempilo ngokulungiswa okuqondene nokuqonda. Noma kunjalo, ukuqonda izinkinga ezingase zenzeke kukusiza uhlale uqaphile ngempilo yamehlo akho.

Kwabantu abane-myopia ephezulu (i-prescription enamandla kakhulu kunama- -6.00), kunezinkinga ezinkulu okufanele uzazi:

• Ukuhlukana kwe-retina - lapho i-retina ihlukaniswa ngemuva kweso lakho
• I-Glaucoma - ukwanda kokucindezela esweni okungalimaza i-optic nerve
• Ama-Cataracts - ukufiphaza kwelensi yemvelo yeso
• I-Myopic maculopathy - ukulimala kwengxenye ephakathi kwe-retina
• I-Choroidal neovascularization - ukukhula kwezinsimbi zegazi ezingavamile esweni

Lezi zinkinga azivamile kodwa zingaba nzima uma zingaphathwa. Ukuhlolwa kwamehlo okuvamile kubaluleke kakhulu uma une-myopia ephezulu, njengoba ukutholakala kwangaphambi kwesikhathi nokwelashwa kungavimbela ukulahleka kokuqonda.

Ngisho nokuqonda okungekhulu okuthambile kungabangela inselele yansuku zonke ngaphandle kokulungiswa okuqondile. Ungase uhlangabezane nokukhathala kwamehlo, izinhlungu zekhanda, noma ubunzima ngemisebenzi njengokushayela noma imidlalo. Izindaba ezinhle ukuthi lezi zinkinga zilula ukuzivimbela ngezigqoko ezifanele noma ama-contact lenses.

Ukuqonda okungekhulu kungavikeleka kanjani?

Nakuba ungakwazi ukuvimbela ngokuphelele ukuqonda okungekhulu, ikakhulukazi uma kuvela emndenini wakho, kunezinyathelo ongazithatha ukuze unciphise ingozi yakho noma uthambise ukuqhubeka kwayo. Lezi zindlela zibaluleke kakhulu ezinganeni lapho amehlo esakhula.

Iqhinga eliphumelelayo kakhulu lokuvimbela ukukhuthaza isikhathi sangaphandle. Izifundo zibonisa ukuthi izingane ezichitha okungenani imizuzu engu-90 ngaphandle nsuku zonke zinezinga eliphansi kakhulu lokuqonda okungekhulu. Ukukhanya kwemvelo nokuqonda okude okudingekayo ngaphandle kubonakala kuvikela amehlo athuthukayo.

Nazi ezinye izindlela eziwusizo zokuvimbela:

• Thatha ama-breaks njalo emsebenzini oseduze usebenzisa umthetho we-20-20-20
• Qinisekisa ukukhanya okuhle uma ufunda noma usebenzisa izikrini
• Bamba izincwadi namadivayisi ezingeni elifanele (cishe ubude bekhulu)
• Limita isikhathi esiningi sesikrini, ikakhulukazi ezinganeni ezincane
• Thola ukuhlolwa kwamehlo okuphelele njalo

Umthetho we-20-20-20 ulula: njalo ngemizuzu engu-20, bheka into ezikude ngamamitha angu-6 ngokungenani imizuzwana engu-20. Lokhu kunika imisipha yakho yokugxila ithuba lokuphumula nokubuyisela.

Uma ukuqonda okungekhulu kuvela emndenini wakho, lezi zindlela zokuvimbela ziyaba kubaluleke nakakhulu. Nakuba i-genetics idlala indima enkulu, izici zesitayela sokuphila zingasenza umehluko obalulekile ekuthuthukiseni ukuqonda kwengane yakho.

Ukuqonda okungekhulu kuhlonzwa kanjani?

Ukuhlonzwa kokuqonda okungekhulu kuhilela ukuhlolwa kwamehlo okuphelele okungapheli lusizi futhi okulula. Udokotela wakho wamehlo uzosebenzisa ukuhlolwa okuhlukene ukuze aqonde ukuthi uqonda okungekhulu yini nokuthi kunzima kangakanani.

Inqubo ngokuvamile iqala ngokuvivinya ukuqonda, lapho uzofunda khona izinhlamvu ekhasini olikude. Lolu viwo olujwayelekile lusiza ekuqondeni ukuthi uqonda ngokucacile kangakanani ezingeni ezahlukene.

Udokotela wakho wamehlo uzophinde enze le mihlola ebalulekile:

• Ukuhlolwa kwe-Refraction ukuze uqonde i-prescription yakho eqondile
• I-Retinoscopy ukuze ubone ukuthi ukukhanya kubonakala kanjani kwi-retina yakho
• I-Autorefractor measurement yokulinganisa i-prescription yokuqala
• Ukuhlolwa kwamehlo okuqandisiwe ukuze uhlole impilo ye-retina yakho ne-optic nerve
• I-Corneal topography ukuze uqonde ukuma komphetho we-cornea yakho

Ngesikhathi sokuhlolwa kwe-refraction, uzobheka ngezilensi ezahlukene ngenkathi ufunda ikhasi. Udokotela wakho uzobuza ukuthi "Yiliphi elicacile, elilodwa noma amabili?" njengoba beqondisa i-prescription yakho. Lokhu kusiza ekuqondeni amandla alensi eqondile adingekayo ukulungisa ukuqonda kwakho.

Ezinganeni noma kubantu abangakwazi ukuxhumana ngokucacile, ukuhlolwa okuqondile njenge-retinoscopy kungalinganisa ukuqonda okungekhulu ngaphandle kokudinga izimpendulo. Ukuhlolwa konke ngokuvamile kuthatha imizuzu engu-30-60 futhi kunikeza isithombe esiphelele sempilo yamehlo akho.

Yikuphi ukwelashwa kokuqonda okungekhulu?

Izindaba ezinhle ngokuqonda okungekhulu ukuthi kulula ukuwelapha ngezinketho eziningi eziphephile, eziphumelelayo. Udokotela wakho wamehlo uzokusiza ukukhetha indlela engcono kakhulu ngokususelwa esitayeleni sakho sokuphila, ubudala, nokuqonda okungekhulu.

Izigqoko ngokuvamile yikhetho lokuqala, ikakhulukazi ezinganeni nasezigqokweni zokuqala. Izilensi zanamuhla zincinci, zikhanya, futhi zitholakala ngezifreyimu eziningi ezinhle. Ziyikhetho eliphephile kakhulu ngaphandle kengozi yokutheleleka kwamehlo noma izinkinga.

Ama-contact lenses anikeza izinzuzo eziningana:

• Ibanga elikhulu lokuqonda ngaphandle kwezinhlangothi zefreyimu
• Kungcono ngemidlalo nangesitayela sokuphila esinamandla
• Akukho ukufiphaza ngezinguquko zezulu
• Ukubonakala okwengqondo kakhulu
• Zitholakala ngezinketho zansuku zonke, zeviki, noma zenyanga

Kwabantu abafuna inkululeko ezigqokweni nasema-contact lenses, ukuhlinzwa kwe-refractive njenge-LASIK kungalungisa ukuqonda okungekhulu unomphela. Lezi zinqubo ziqoba i-cornea yakho ukuze ukukhanya kugxile ngokufanele kwi-retina yakho. Ukuhlinzwa ngokuvamile kugcinelwe abantu abadala abane-prescription ehlala iqinile okungenani unyaka.

Kukhona nezinye izindlela ezikhethekile zokunciphisa ukuqhubeka kokuqonda okungekhulu ezinganeni, kufaka phakathi ama-contact lenses akhethekile, ama-eye drops, ne-orthokeratology (ama-lenses okuqoba ubusuku). Udokotela wakho wamehlo angaxoxa ukuthi lezi zinketho zingase zizuze ingane yakho.

Indlela yokuphatha ukuqonda okungekhulu ekhaya?

Nakuba ukwelashwa kwezokwelapha kubalulekile ekulungiseni ukuqonda okungekhulu, kunezinto eziningana ongazenza ekhaya ukuze uvikele amehlo akho futhi ugcine ukuqonda okuhle. Lezi zindlela zingase futhi zisize ukuvimbela ukuqonda kwakho okungekhulu ukuba kubi kakhulu.

Ukukhanya okuhle kwenza umehluko omkhulu ekuqedeni ukukhathala kwamehlo. Uma ufunda noma wenza umsebenzi oseduze, sebenzisa ukukhanya okukhulu, okulinganayo okuqondisa umsebenzi wakho ngaphandle kokudala ukukhanya. Beka umthombo wakho wokukhanya eceleni kunokuba ube ngaphezulu ukuze unciphise izithunzi.

Sebenzisa imikhuba yosesikrini enempilo esekela ukunethezeka kwamehlo akho:

• Landela umthetho we-20-20-20 ngesikhathi somsebenzi wekhompyutha
• Gcina izikrini ezingeni lekhulu (cishe ama-intshi angu-20-24 kude)
• Lungisa ukukhanya kwesikrini ukuze kuhambisane nezindawo zakho
• Sebenzisa amazinga amakhulu wefonti ukuze unciphise ukuqina amehlo
• Khanya njalo ukuze ugcine amehlo akho manzi

Ukukhathalela izigqoko zakho noma ama-contact lenses ngendlela efanele kuqinisekisa ukuqonda okuhle, okuhle. Hlambulula izigqoko zakho nsuku zonke ngomhlanzi wezilensi nengubo ye-microfiber. Uma ugqoka ama-contact lenses, landela imiyalelo yodokotela wakho wamehlo ngokuqondile ngokuhlanza, ukugcina, nokushintsha.

Khumbula ukunika amehlo akho ama-breaks njalo emsebenzini oseduze. Ngisho nokuthile okulula njengokubuka ngaphandle kwefasitela imizuzu embalwa kungasiza ekuphumuleni imisipha yakho yokugxila nokunciphisa ukukhathala.

Kufanele ulungiselele kanjani i-appointment yakho yodokotela wamehlo?

Ukulungiselela i-appointment yakho yamehlo kusiza ekuqinisekiseni ukuthi uthola ukuxilongwa okuqondile kakhulu nezincomo zokwelapha ezinhle kakhulu. Ukulungiselela kancane kungenza ukuvakasha kwakho kube lula futhi kube nolwazi.

Ngaphambi kwe-appointment yakho, buza ulwazi olubalulekile ngokuqonda kwakho nembali yempilo. Bhala phansi izimpawu eziqaphile, lapho zaqala khona, nokuthi yini ezenza zibe ngcono noma zibe zimbi. Lokhu kusiza udokotela wakho ukuqonda ukukhathazeka kwakho okuqondile.

Letha lezi zinto ezibalulekile kwi-appointment yakho:

• Izigqoko zakho zamanje nama-contact lenses
• Uhlu lwawo wonke ama-medications kanye nezinye izinto ozithathayo
• Amakhadi e-Insurance kanye nokuhlonza
• Umbali womndeni wezinkinga zamehlo
• Imibuzo ofuna ukuyibuza udokotela wakho

Uma uthola ukuhlolwa kwamehlo okuphelele, abafundi bakho bangase baqandiswe ngama-eye drops. Lokhu kungenza ukuqonda kwakho kube buthuntu futhi kube nokukhanya okukhulu imizuzu engu-2-4 ngemuva kwalokho. Cabanga ngokuletha izigqoko zokuvikela ilanga nokwenza amalungiselelo okuthi othile akuqhubele ekhaya.

Ungagqoki ama-contact lenses kwi-appointment yakho uma kungenzeka, ikakhulukazi uma uthola okusha. Amehlo akho adinga isikhathi sokubuyela esimweni sawo semvelo ukuze kube nokulinganisa okuqondile.

Iyini into ebalulekile ngokuqonda okungekhulu?

Ukuqonda okungekhulu kuyimo ehlala ivela futhi elula ukuwelapha ethinta cishe ingxenye yabantu abadala. Into ebaluleke kakhulu okumele uyikhumbule ukuthi ukuqonda okuhle, okuhle kungenzeka ngokuphelele ngendlela yokwelapha efanele.

Kungakhathaliseki ukuthi ukhetha izigqoko, ama-contact lenses, noma ukuhlinzwa, izinketho zokulungisa ukuqonda zanamuhla ziphephile futhi ziphumelela kakhulu kunanini ngaphambili. Ukuhlolwa kwamehlo okuvamile kuqinisekisa ukuthi i-prescription yakho ihlala ihambisana futhi kusiza ekutholeni noma yiziphi izinkinga ngokushesha, ikakhulukazi uma une-myopia ephezulu.

Kubazali, ukukhuthaza ukudlala ngaphandle nokulinganisela umsebenzi omningi oseduze kungasiza ekuvikeleni ukuqonda kwengane yakho okuthuthukayo. Ngisho noma ukuqonda okungekhulu kuvela emndenini wakho, lezi zinguquko zesitayela sokuphila zingenza umehluko obalulekile.

Into ebalulekile yilokhu: ukuqonda okungekhulu akudingeki kuvimbele impilo yakho nganoma iyiphi indlela. Ngokunakekelwa okuqondile nokwelashwa, ungajabulela ukuqonda okuhle futhi ugcine amehlo anempilo iminyaka eminingi ezayo. Udokotela wakho wamehlo ungumlingani wakho ongcono kakhulu ekufezeni nasekugcineni impilo yamehlo aphelele.

Imibuzo evamile ebuzwa ngokuqonda okungekhulu

Ukuqonda okungekhulu kungaphiliswa ngokwemvelo?

Nakuba ayikho impilo yokuqonda okungekhulu, izinguquko ezithile zesitayela sokuphila zingasiza ekuthambiseni ukuqhubeka kwayo, ikakhulukazi ezinganeni. Ukuchitha isikhathi esiningi ngaphandle, ukuthatha ama-breaks njalo emsebenzini oseduze, nokugcina ukukhanya okuhle kungasekele impilo yamehlo. Noma kunjalo, ukulungiswa kokuqonda ngezigqoko, ama-contact lenses, noma ukuhlinzwa kuhlala kudingeka ukuze ubone izinto ezikude ngokucacile. Qaphela imikhiqizo noma ukuzivocavoca okuthi "kuphilise" ukuqonda okungekhulu ngokwemvelo, njengoba lokhu kungasekelwe ubufakazi besayensi.

Ukuqonda kwami okungekhulu kuzoqhubeka nokuba kubi?

Kubantu abaningi, ukuqonda okungekhulu kuhlala kuqinile ekuqaleni kobudala, ngokuvamile ngeminyaka engama-20. Noma kunjalo, abanye abantu bangase bahlangabezane nokuqhubeka kancane ukuphila konke. I-myopia ephezulu inamandla kakhulu ukuqhubeka nokukhula. Ukuhlolwa kwamehlo okuvamile kusiza ekuqondeni noma yikuphi ukushintsha kwi-prescription yakho. Uma uqaphela ukushintsha kokuqonda phakathi kokuhlolwa, ungalindi - hlela i-appointment ukuze uqinisekise ukuthi ukulungiswa kwakho kuhlala kuphelele.

Kuphephile yini ezinganeni ukugqoka ama-contact lenses?

Yebo, ama-contact lenses angaphephile ezinganeni ezikhulile ngokwanele ukuba aziphathe ngokuzimisela. Abaningi bodokotela bamehlo bacabanga ukuthi iminyaka engu-10-12 ifanele ukuqala ama-contact lenses, nakuba ezinye izingane zingase zilungele ngaphambi noma kamuva. Izici eziyinhloko yikukwazi kwengane ukulandela imiyalo yokuhlanza, ukufaka nokususa ama-lenses ngokuphephile, nokuxhumana nanoma yiziphi izinkinga. Ama-lenses asuka nsuku zonke avame ukunconywa ezinganeni njengoba eyi-option enhle kakhulu.

Izikrini zingabangela ukuqonda okungekhulu?

Nakuba izikrini ngokwazo zingabangeli ukuqonda okungekhulu, isikhathi esiningi sesikrini esiseduze singase sifake isandla ekuthuthukiseni kwaso, ikakhulukazi ezinganeni. Inkinga ayisiyona isikrini ngokwalo, kodwa kunalokho ukugxila okude okuningi nokunciphisa isikhathi sangaphandle okuvamise ukuhambisana nokusetshenziswa okukhulu kwesikrini. Ukulandela umthetho we-20-20-20, ukugcina ibanga elifanele lesikrini, nokulinganisela isikhathi sesikrini ngemisebenzi yangaphandle kungasiza ekuvikeleni ukuqonda kwakho.

Uyini umehluko phakathi kokuqonda okungekhulu nokuqonda okude?

Ukuqonda okungekhulu kusho ukuthi uqonda izinto eziseduze ngokucacile kodwa izinto ezikude zibonakala zifihliwe. Ukuqonda okude kuyilokhu okuhlukile - izinto ezikude zingase zicace kakhulu kunalezo eziseduze, nakuba abantu abaningi abanawo ukuqonda okude baba nobunzima bokuqonda kude nokude. Ukuqonda okungekhulu kwenzeka uma ibhola leso lide kakhulu, kuyilapho ukuqonda okude kwenzeka uma lifushane kakhulu. Zombili izimo zilula ukuzilungisa ngezigqoko, ama-contact lenses, noma ukuhlinzwa, kodwa zidinga ama-prescription alensi ahlukene.