Amalensi e-Spectacle alungisa amaphutha okukhanya ngokugoba (ukukhanya okugoba) njengoba kudlula kulensi. Inani lekhono lokugoba ukukhanya (amandla elensi) elidingekayo ukuze kunikezwe umbono omuhle liboniswe ku-spectrum prescription enikezwe udokotela wakho wamehlo.
Amaphutha okubuyisa ukukhanya kanye namandla elensi adingekayo ukuwalungisa alinganiswa ngamayunithi abizwa ngokuthi ama-dioptres (D). Uma unombono omfushane kancane, umuthi wakho welensi ungase uthi -2.00 D. Uma une-myopia kakhulu, ungase uthi -8.00 D.
Uma ubheka isikhathi eside, udinga amalensi "angaphezulu" (+), aqinile maphakathi futhi anciphile emaphethelweni.
Amalensi avamile engilazi noma epulasitiki ukuze kube nokubona okufushane kakhulu noma ukubona isikhathi eside kungaba makhulu futhi kube nzima.
Ngenhlanhla, abakhiqizi bakhe izinto ezintsha zepulasitiki "ezine-index ephezulu" ezigoba ukukhanya kahle kakhulu.
Lokhu kusho ukuthi kungasetshenziswa izinto ezimbalwa kulensi enenkomba ephezulu ukulungisa inani elifanayo lephutha lokubona, okwenza amalensi epulasitiki anenkomba ephezulu abe mancane futhi alula kunamalensi engilazi noma epulasitiki avamile.
Izinzuzo zamalensi anezinkomba eziphezulu
Okuncane kakhulu
Ngenxa yekhono lawo lokugoba ukukhanya kahle, amalensi anezinkomba eziphezulu zokubona okufushane anemiphetho emincane kunamalensi anamandla afanayo kadokotela enziwe ngezinto zepulasitiki ezivamile.
Okukhanyayo
Ama-edge amancane adinga izinto ezincane zelensi, okunciphisa isisindo sonke samalensi. Amalensi enziwe ngepulasitiki ephezulu alula kunamalensi afanayo enziwe ngepulasitiki evamile, ngakho-ke akhululekile ukuwagqoka.
Futhi amalensi amaningi anezinkomba eziphezulu nawo anomklamo ofana ne-aspheric, okwenza abe mancane futhi akhanga kakhulu futhi anciphise ukubukeka okukhulu okubangelwa amalensi avamile emithini yokwelapha eqinile neqondayo.
Izinketho zamalensi anezinkomba eziphezulu
Amalensi epulasitiki anezinkomba eziphezulu manje atholakala ngezinhlobonhlobo zezinkomba zokukhanya, ngokuvamile asukela ku-1.60 kuya ku-1.74. Amalensi anenkomba yokukhanya engu-1.60 no-1.67 angaba mancane okungenani ngamaphesenti angu-20 kunamalensi epulasitiki avamile, kanti angu-1.71 noma ngaphezulu ngokuvamile angaba mancane cishe ngamaphesenti angu-50.
Futhi, ngokuvamile, uma inkomba iphakeme, amalensi abiza kakhulu.
Imithi yakho yokubonisa ubuhle inquma nokuthi hlobo luni lwezinto ezinenkomba ephezulu ongazifuna ngelensi yakho. Izinto ezinenkomba ephezulu kakhulu zisetshenziselwa ikakhulukazi imithi enamandla kakhulu.
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