SETO 1.56 lebur- saman bifocal ruwan tabarau HMC
Ƙayyadaddun bayanai
1.56 lebur- saman bifocal na gani ruwan tabarau | |
Samfura: | 1.56 ruwan tabarau na gani |
Wurin Asalin: | Jiangsu, China |
Alamar: | SETO |
Kayan Lens: | Guduro |
Aiki | Flat-top bifocal |
Launin ruwan tabarau | Share |
Fihirisar Rarraba: | 1.56 |
Diamita: | 70mm ku |
Abbe Value: | 34.7 |
Takamaiman Nauyi: | 1.27 |
aikawa: | > 97% |
Zaɓin Rufe: | HC/HMC/SHMC |
Launi mai sutura | Kore |
Wutar Wuta: | Sph: -2.00~+3.00 Ƙara: +1.00~+3.00 |
Siffofin Samfur
1. Menene halayen bifocals?
Siffofin: akwai maki biyu masu mahimmanci akan ruwan tabarau, wato, ƙaramin ruwan tabarau mai iko daban-daban wanda aka ɗora akan ruwan tabarau na yau da kullun;
An yi amfani da shi ga marasa lafiya tare da presbyopia don ganin nesa da kusa a madadin;
Na sama shine haske lokacin kallon nesa (wani lokaci lebur), kuma ƙananan haske shine haske lokacin karantawa;
Matsayin nisa ana kiransa babban iko kuma kusa da digiri ana kiransa ƙaramin ƙarfi, kuma bambanci tsakanin ƙarfin babba da ƙaramin ƙarfi ana kiransa ADD (ƙara).
Dangane da siffar ƙaramin yanki, ana iya raba shi zuwa bifocal-top, zagaye-saman bifocal da sauransu.
Abvantbuwan amfãni: marasa lafiya na presbyopia ba sa buƙatar maye gurbin gilashin lokacin da suka ga kusa da nesa.
Hasara: abin tsalle lokacin kallon juzu'i mai nisa da kusa;
Daga bayyanar, ya bambanta da ruwan tabarau na yau da kullun.
2.Menene Fasalin Faɗin ruwan tabarau na bifocal?
Ana samun ruwan tabarau na bifocal tare da faɗin yanki ɗaya: 28 mm.Lamba bayan "CT" a cikin sunan samfurin yana nuna girman yanki a cikin millimeters.
3.What ne lebur Top 28 Bifocal ruwan tabarau?
Babban lebur saman ruwan tabarau 28 yana ba da gyare-gyare na kusa da nesa.Yana da ruwan tabarau na multifocal wanda aka saba wajabta ga waɗanda ke fama da presbyopia da hypermetropia, yanayin da, tare da shekaru, ido yana nuna ci gaba da raguwar ikon mayar da hankali kan abubuwa kusa da nesa.Babban lebur ruwan tabarau ya haɗa da sashi a ƙananan rabin ruwan tabarau tare da takardar sayan magani don karantawa (kusa da nisa).Faɗin saman saman 28 bifocal yana da faɗin 28mm a saman bifocal kuma yayi kama da Harafin D ya juya digiri 90.
Saboda lebur saman bifocal yana ɗaya daga cikin mafi sauƙin ruwan tabarau multifocal don daidaitawa, yana ɗaya daga cikin shahararrun ruwan tabarau na bifocal a duniya.Ya bambanta "tsalle" daga nesa zuwa kusa da hangen nesa yana ba masu saye wurare biyu da aka keɓe da kyau na gilashin su don amfani da su, ya danganta da aikin da ke hannunsu.Layin a bayyane yake saboda canjin iko yana nan da nan tare da fa'ida kasancewar yana ba ku mafi girman wurin karatu ba tare da yin nisa da ruwan tabarau ba.Hakanan yana da sauƙi a koya wa mutum yadda ake amfani da bifocal ta yadda za ku yi amfani da saman sama don nisa da ƙasa don karantawa.
4. Menene bambanci tsakanin HC, HMC da SHC?
Rufe mai wuya | AR shafi / Hard Multi shafi | Super hydrophobic shafi |
yana sa ruwan tabarau mara rufi ya yi ƙarfi kuma yana ƙara juriyar abrasion | yana ƙaruwa da watsa ruwan tabarau kuma yana rage hangen nesa | yana sa ruwan tabarau mai hana ruwa, antistatic, anti zamewa da juriya mai |