Ngaba ngamanye amaxesha unengxaki yokufunda oonobumba ebhodini elikude? Okanye ngaba oonobumba babonakala bengacacanga xa ufunda iphephandaba okanye incwadi? Mhlawumbi xa uqhuba ebusuku, ngaba ubona imicu ejikeleze izibane zemoto phambi kwakho? Ukuba ezi zizinto eziqhelekileyo kuwe, awuwedwa. Le yingxaki enabantu abaninzi eSri Lanka nakwihlabathi liphela. Ngoko ke isisombululo esilula nesilungileyo koku kukusebenzisa iiglasi zamehlo. Namhlanje, masithethe ngayo yonke into ngezi glasi zamehlo.
Zithini kanye kanye ezi ziglasi zamehlo?
Ngamafutshane, iiglasi zamehlo ziilensi ezimbini ezifakwe kwifreyimu oyinxiba ebusweni bakho. Umsebenzi wazo ophambili kukulungisa iziphene ezithile zokubona emehlweni akho kwaye zikuncede ubone ihlabathi ngokucacileyo. Ngokwezonyango, ezi ziphene zokubona sizibiza ngokuba 'ziimpazamo zokurhawuzelela'. Oku kuthetha ukuba kukho impazamo ethile kwindlela ukukhanya okungena ngayo elisweni kwaye kugxile kwi-retina. Iiglasi zilungisa loo patheni yokukhanya.
Kukho iintlobo ezine eziphambili zeempazamo zokungahoyi ezibonakala kakhulu emehlweni ethu.
| Ukukhubazeka kokubona | Kalula nje, kwenzeka ntoni? |
|---|---|
| Ukubona kufutshane / I-Myopia | Ungazibona ngokucacileyo izinto ezikufutshane nawe, njengencwadi okanye ifowuni. Kodwa izinto ezikude, njengophawu lwebhasi okanye umntu osesitalatweni, zibonakala zingacacanga. Le isenokuba yimbangela yokuba abantwana besikolo bangaziboni izinto ebhodini. |
| Ukubona izinto kude/iHyperopia | Oku kuchasene noko kungaphambili. Izinto ungazibona kakuhle, kodwa izinto zikufutshane, ingakumbi xa ufunda incwadi okanye iphephandaba, kunzima ukuzifunda, kwaye oonobumba baba luzizi. |
| I-Astigmatism | Kule meko, unokubona izinto ezikufutshane nezikude ngendlela ethile ezingacacanga. Uphawu oluqhelekileyo lwale meko kukuvela kweenkwenkwezi xa ujonge izibane, ingakumbi ebusuku. |
| I-Presbyopia (ukubona kufutshane) njengoko ukhula | Esi asisosifo, kodwa yimeko yendalo eyenzeka njengoko sikhula, njengoko ilensi engaphakathi kwamehlo ethu ilahlekelwa bubugocigoci bayo. Idla ngokuqala emva kweminyaka engama-40. Ukuba uzama ukufunda amaphephandaba okanye iincwadi ukude, kusenokwenzeka ukuba kungenxa yesi sizathu. |
Zisebenza njani ezi glasi ngokwenene?
Kulula kakhulu. Cinga ngeliso lakho njengekhamera. Sibona into xa imitha yokukhanya ibonakala kulo ingena kweliso lethu. Le mitha yokukhanya iqala idlule kwi-cornea, inxalenye ecacileyo engaphambili kweliso, ize idlule kwilensi engaphakathi kweliso. La macandelo mabini asebenza njengelensi yekhamera, egoba ukukhanya kwaye ikugxila kwisikrini esibizwa ngokuba yi-retina, esingasemva kweliso.
Okwenzekayo kumntu onempazamo yokujika kokukhanya kukuba oku kugoba kokukhanya akwenzeki ngokuchanekileyo. Ukukhanya kujolisa phambi okanye ngasemva kwe-retina. Kulapho sibona khona imifanekiso engacacanga.
Ngoko ke into eyenziwa ziiglasi zamehlo kukuba, ngaphambi kokuba ukukhanya kungene elisweni, zongeza 'ukugoba' okuncinci kuloo mitha yokukhanya, nto leyo ebangela ukuba zigxile ngqo kwi-retina engaphakathi kweliso. Kufana nokulungisa impazamo.
Ngamanye amaxesha, ngenxa yokwahluka okuncinci kwindawo yamehlo, ukubona kabini kunokwenzeka. Kwimeko ezinjalo, iilensi ezikhethekileyo zingasetyenziswa ukulungisa le meko.
Luhlobo luni lovavanyo olufanele lwenziwe ngaphambi kokuba ufumane iiglasi?
Oku kubaluleke kakhulu. Ukuba ubona naziphi na iingxaki zokubona, into yokuqala ekufuneka uyenze kukuhlolwa amehlo. Ukuze wenze oku, kufuneka ubonane nogqirha ofanelekileyo.
Ngethuba lolu vavanyo, ugqirha uza kujonga:
- Ukucaca kombono
- Impilo yamehlo iyonke
Zombini ziyavavanywa. Sonke sivile intetho ethi "20/20 vision." Oku kuthetha ukuba ungabona izinto ezikumgama weenyawo ezingama-20 ngokucacileyo njengomntu onamehlo aphilileyo. Ukuba umbono wakho ungaphantsi koko, ugqirha wakho uya kulinganisa ukuba ungakanani aze amisele iresiphi yeelensi ozifunayo ukuze uzilungise.
Ukuba sele unxibe iiglasi, olu vavanyo luza kujonga ukuba amandla ezo glasi ngoku afanelekile na emehlweni akho okanye ukuba kufuneka zitshintshwe.
Ziziphi iintlobo zeelensi zeglasi ezikhoyo?
Kukho iintlobo ezininzi zeelensi, njengeeglasi. Ugqirha wakho uya kucebisa uhlobo olufanelekileyo lwelensi ngokusekelwe kwiimfuno zakho. Makhe sijonge iintlobo eziphambili.
Iintlobo eziphambili zeelensi
| Uhlobo lwelensi | Inkcazo |
|---|---|
| Iilensi zombono omnye | Ezi lensi zinamandla afanayo. Oko kuthetha ukuba zisetyenziselwa injongo enye, nokuba kukubona umgama okanye ukubona kufutshane (ukufunda). |
| Iilensi ze-multifocal | La mandla akwilensi enye. Umzekelo, ilensi enye inamandla okubona umgama kunye nenye amandla okubona kufutshane (ukufunda). |
| IiBifocals | Olu luhlobo lwe-multifocal. Ilensi inamandla amabini. Ngokwesiqhelo, inxalenye ephezulu yelensi isetyenziselwa ukubona umgama, kwaye inxalenye encinci esezantsi isetyenziselwa ukubona kufutshane (ukufunda). Umgca owahlula la macandelo mabini ubonakala ngokucacileyo kwilensi. |
| IiTrifocals | Oku kunamandla amathathu kwilensi enye - umgama, umgama ophakathi (njengekhompyutha), kunye nokufutshane (kokufunda). Nalapha, imigca eyahlula amandla iyabonakala. |
| Iilensi eziqhubekekayo | Ezi zifana nee-bifocals, kodwa umahluko ophambili kukuba akukho mgca ubonakalayo owahlula amandla. Amandla eelensi atshintsha kancinci ukusuka phezulu ukuya ezantsi. Oku kukuvumela ukuba ubone ngokucacileyo ngokujika intloko yakho phezulu okanye ezantsi kancinci kuxhomekeke kumgama owujongileyo. Ijongeka njengesipili esiqhelekileyo. |
| Iiglasi zokufunda | Ezi ziilensi zokubona okukodwa ezenzelwe ngokukodwa ukubona kufutshane. Zisetyenziswa kakhulu ngabantu abane-presbyopia ukufunda iincwadi. Nangona ngamanye amaxesha ezi zifumaneka ngaphandle kwekhawuntara, kungcono ukuzifumana emva kokubona ugqirha nokuhlolwa kwamehlo. |
| Iilensi zePrism | Olu hlobo lukhethekileyo lwelensi lusetyenziselwa ukunyanga ukubona kabini okubangelwa kukungalungelelani kakuhle kwamehlo. |
Ezinye iintlobo zeelensi ezikhethekileyo
Ngamanye amaxesha ezi ziza njengeempawu onokuzongeza kwi-prescription yakho.
- Iiglasi zelanga: Ukuba ungumntu osoloko enxibe iiglasi, ungazenzela iiglasi zakho zelanga ezibhalwe ngugqirha. Ngale ndlela, awuyi kufuna iiglasi ezimbini ezahlukeneyo xa uphandle elangeni.
- Iiglasi eziluhlaza okwesibhakabhaka ezivimba ukukhanya: Ezi zinokunceda ekunciphiseni ukudinwa kwamehlo kunye nokudinwa kwabo bachitha ixesha elininzi bejonge izikrini ezifana neekhompyutha kunye neefowuni eziphathwayo. Ungongeza nengubo eluhlaza okwesibhakabhaka kwiiglasi zakho eziqhelekileyo.
- Iilensi ze-Photochromic: Ezi zizinto esizibiza ngokuba "ziiglasi zeemoto." Xa uphuma elangeni, ezi lensi ziba mnyama ngokuzenzekelayo zize zibe njengeeglasi zelanga, kwaye xa ungena ngaphakathi, zijika zibe ziilensi eziqhelekileyo nezikhanyayo.
Ngaba kukho naziphi na iziphumo ebezingalindelekanga zokunxiba iiglasi?
Enyanisweni, iiglasi zamehlo zizixhobo ezikhuselekileyo kakhulu. Akukho miphumo mibi kangako. Nangona kunjalo, kukho ukungakhululeki okuncinci okunokwenzeka xa uzinxiba okokuqala okanye xa utshintsha umbane.
- Ubunzima bokuziqhelanisa neelensi: Kungathatha iintsuku ezimbalwa ukuba amehlo akho aqhelene nonyango olutsha. Ezinye iilensi ezintsonkothileyo, ezifana nee-progressives, zingathatha iveki okanye ezimbini ukuziqhelanisa. Usenokuziva unesiyezi kancinci ngeli xesha. Oku kuqhelekile. Nangona kunjalo, ukuba ukungakhululeki kuyaqhubeka, bonana nogqirha wakho kwakhona.
- Ukungakhululeki kwifreyimu: Ukuba ifreyimu ivakala iqinile empumlweni okanye ezindlebeni zakho, ungayilungisa kancinci. Ungakwenza oku kanye apho uthenge khona iiglasi.
- Uxinzelelo lwamehlo kunye nentloko ebuhlungu:Kwiintsuku zokuqala emva kokunxiba iiglasi ezintsha, usenokuba neentlungu zamehlo kunye neentloko ezibuhlungu, ingakumbi xa ufunda okanye usebenza kwikhompyutha. Oku kudla ngokunyamalala kwiintsuku ezimbalwa. Nangona kunjalo, ukuba ufumana ezi mpawu ngelixa unxibe iiglasi zakho ezindala, isenokuba luphawu lokuba umbono wakho utshintshile. Emva koko kuya kufuneka uhlolwe amehlo akho.
Ndingazinyamekela njani iiglasi zam?
Iiglasi zakho zixabiseke njengamehlo akho, ngoko ke kufuneka uzinyamekele kakuhle.
- Xa ingasetyenziswa: Soloko uyigcina kwibhokisi eqinileyo eza nayo. Oku kuyikhusela ekuweni nasekukrweleni.
- Xa ucoca:
- Okokuqala, yimanzise kancinci ngamanzi. Emva koko sebenzisa isitshizi esenzelwe ukucoca izipili okanye amanzi amancinci anesepha.
- Sebenzisa ilaphu le-microfiber ukuze usule.
- Ungaze usule iilensi zakho ngethishu, iphepha langasese, okanye iitawuli zephepha. Imicu emincinci ekuzo inokukrwela iilensi.
- Musa ukuzisula iilensi zakho ngeempahla zakho, i-sari, okanye ihempe. Yimpazamo eyenziwa ngabantu abaninzi leyo. Amasuntswana othuli kwiimpahla zakho anokonakalisa iilensi.
Ndifanele ndibonane nogqirha nini?
Ngokwesiqhelo licebo elihle ukuba wonke umntu ahlolwe amehlo akhe ubuncinane kanye ngonyaka, okanye ubuncinane kube kanye emva kweminyaka emibini. Ukuba unezinye izifo, ezifana nesifo seswekile okanye uxinzelelo lwegazi oluphezulu, kufuneka uhlolwe amehlo akho ngamaxesha afanayo nalawo acetyiswa ngugqirha wakho.
Ukongeza, ukuba ubona ezi mpawu zilandelayo, bona ugqirha ngokukhawuleza:
- Ukuba umbono wakho utshintsha ngesiquphe.
- Ukuba amehlo akho ahlala ediniwe kwaye esinda.
- Ukuba uneentloko ezibuhlungu rhoqo.
- Ukuba kukho intlungu emehlweni.
- Ubunzima bokujonga ukukhanya okukhanyayo (uvakalelo lokukhanya).
Ngaba kubiza kancinci ukuthenga iiglasi kwi-intanethi? Izinto ekufuneka uzazi
Kule mihla, njengezinye izinto ezininzi, ungaodola iiglasi kwi-intanethi. Ngamanye amaxesha ixabiso linokuba liphantsi. Kodwa ukuba wenza njalo, lumka ngezi zinto.
Ingongoma ephambili: Akukho zi-apps okanye iiwebhusayithi ezikwi-intanethi zokuvavanya amehlo ezinokulingana novavanyo lwamehlo olupheleleyo ngugqirha. Ukuze uqonde ngokwenene impilo yamehlo akho, kubalulekile ukubona ugqirha.
- Yiba nencwadi kagqirha ekhoyo ngoku: Ukuze uodole kwi-intanethi, kufuneka ube nencwadi kagqirha esebenzayo. Ukuba ingaphezulu konyaka ubudala, isenokuba iphelelwe lixesha.
- Yazi Umgama Womntwana Ofundayo (PD):Lo ngumgama ophakathi kwezangqa zakho ezimbini ezimnyama. Olu linganiso lubalulekile ukuze iiglasi zakho zilingane ngokuchanekileyo. Cela ugqirha wakho okanye ingcali yamehlo ukuba akulinganisele oku xa ujongiwe amehlo akho.
- Jonga iwaranti: Xa uthenga kwi-intanethi, funda ngononophelo iwaranti kunye nemigaqo nemiqathango yefreyimu kunye neelensi.
Iiglasi zamehlo zizinto ezizisa lula nokucaca ebomini bakho. Ukuba ufumana ubunzima obuncinci ekuboneni kwakho, musa ukubutyeshela, kodwa bonana nogqirha namhlanje uze ufumane ingcebiso. Kuya kuba lolona tyalo-mali lukhulu onokulwenza kwimpilo yamehlo akho.
Umyalezo Wokuya Ekhaya
- Ukuba unengxaki yokubona kude okanye kufutshane, uneentloko ezibuhlungu, okanye ukhathazwa liliso, musa ukulibetha ngoyaba. Kusenokuba luphawu lokuphazamiseka kokubona.
- Ngaphambi kokuba uthenge iiglasi, soloko ufumana uvavanyo lwamehlo olupheleleyo kugqirha ofanelekileyo . Oku kunokukunceda ukulungisa umbono wakho kunye nokubona ezinye iingxaki zamehlo.
- Thetha nogqirha wakho ukuze akukhethele uhlobo lwelensi (umz. iBifocal, iProgressive) olufanela iimfuno zakho nendlela ophila ngayo.
- Kuqhelekile ukuba kuthathe iintsuku ezimbalwa ukuqhela iiglasi ezintsha. Ukuba ukungakhululeki kuyaqhubeka, funa ingcebiso kagqirha kwakhona.
- Ungandisa ubomi beeglasi zakho ngokuzicoca kakuhle nokuzigcina ngokukhuselekileyo.
💬 Comments (0)
Akukho zimvo zithunyelweyo okwangoku. Faka uluvo lwakho apha okokuqala.
Faka uluvo lwakho