Sezvo isu tichikura, lenzi, iyo inotarisisa sisitimu yemeso edu, inotanga kuomesa zvishoma nezvishoma uye kurasikirwa nekusimba kwayo, uye simba rekugadzirisa rinotanga kupera zvishoma nezvishoma, zvichitungamira kune yakajairika physiological chiitiko: presbyopia.Kana nzvimbo yepedyo yakakura kupfuura masendimita makumi matatu, uye zvinhu zvisingaonekwe zvakajeka mukati memasendimita makumi matatu, uye iwe unofanirwa kuswededza kure kuti uone zvakajeka, unofanirwa kufunga nezvekupfeka magirazi epresbyopic.
Panguva ino tinodzidza nezve inofambira mberi multifocal magirazi mu presbyopia optics.Kana presbyopia ikaitika, inonyanya kunetesa kuona, nekuti ziso remunhu rinenge rakagadzikana kana rakatarisa kure, uye macro-kutarisisa kunodiwa kana wakatarisa padhuze.Zvisinei, simba rekugadzirisa re presbyopic lens harina simba, uye kutarisa hakuna kusimba zvakakwana pakutarisa pedyo, izvo zvichawedzera mutoro pameso., zviratidzo zvakadai sekurwadziwa kwemaziso, kusaona zvakanaka, uye musoro zviratidzo zvinowanzoitika.
Nheyo yekufambira mberi multifocal lenses
Iyo dhizaini yemisimboti yemalensi akawanda ndeyekugadzira akawanda anoenderera ari kure, epakati uye ari padhuze anotarisisa mapoinzi pane imwe lenzi.Kazhinji, chikamu chepamusoro chelenzi ndeye kure refractive simba, chikamu chezasi ndechepedyo refractive simba, uye nechepakati chikamu chelens inzvimbo yegradient inopfuura zvishoma nezvishoma simba refractive.Pedyo nepakati pekuona kweakawanda multifocal lenzi ndeye 10-16 mm pazasi penzvimbo yekure yekuona uye 2-2.5 mm nasally.Izvo zvinofanirwa kucherechedzwa kuti kune aberration nzvimbo pamativi ese enzvimbo inofambira mberi.Kana mutsara wekuona uchienda kunzvimbo iyi, chinhu chinoonekwa chichave chakaremara, zvichiita kuti zviome uye zvisagadzikana kuona.
Maitiro ekushandisa anofambira mberi multifocal lenses
Progressive multifocal lenses zvishoma nezvishoma inowedzera simba kubva kumusoro kusvika pasi, uye inopa matatu akavanzika anofambira lens nzvimbo, inovhara kure, yepakati, uye padyo nekuona, inonyatso buritsa nzvimbo kumadaro akasiyana.Paunopfeka magirazi akawanda anofambira mberi kwekutanga, munda wekuona kumativi ose maviri e lenses unogona kunge wakakanganiswa uye wakakanganiswa.Kana iyo furemu chinzvimbo ikafamba kana kutsveyama, inogona kukonzera kusagadzikana uye kusaona zvakanaka.Tevedza nhanho dze "nyarara kutanga wozofamba, kutanga mukati uye kunze" kuti zvishoma nezvishoma udzidzire uye uchinje.
01. Telephoto lens nzvimbo
Paunenge uchityaira kana kutarisa, chengeta chirebvu chako mukati zvishoma, chengeta musoro wako wakachinjika, uye tarisa nepakati pelenzi kumusoro zvishoma.
02. Mid-kure lens nzvimbo
Paunenge uchityaira kana kutarisa, chengeta chirebvu chako mukati zvishoma, chengeta musoro wako wakachinjika, uye tarisa nepakati pelenzi kumusoro zvishoma.Iwe unogona kutamisa mutsipa wako zvishoma kumusoro uye pasi kusvikira mufananidzo wakachena.
03. Kuvhara-up lens nzvimbo
Paunenge uchiverenga bhuku kana pepanhau, riise pamberi pako zvakananga, tambanudza chirebvu chako mberi zvishoma, uye gadzirisa kutarisa kwako pasi kunzvimbo yegirazi yakakodzera.
04. Blurry mirror nzvimbo
Kune nzvimbo kumativi maviri e lens uko kupenya kunoshanduka, uye munda wekuona uchave wakasvibiswa.Izvi zvakajairika.
05. Mazano:
Kukwira nekudzika masitepisi: Deredza musoro wako zvishoma uye tarisa pasi, uye gadzirisa kuona kwako kubva pedyo negirazi nzvimbo kusvika pakati kana kureba kwegirazi nzvimbo.
Kufamba kwezuva nezuva: Kana uchiona zvichikuomera kutarisa, edza kutarisa mita imwe mberi kuti ugadzirise kutarisa.Ndapota dzikisa musoro wako zvishoma kana wakatarisa kumusoro pedyo.
Kutyaira kana kushandisa michina: Kana iwe uchida kutarisa kubva kure kuenda pedyo, kudivi kana kubva kumakona akawanda paunenge uchishanda, ndapota ita izvozvo chete mushure mekunge wajaira zvakakwana malenzi anofambira mberi.
Nguva yekutumira: Zvita-01-2023