SETO 1.56 Photochromic Flat saman bifocal Lens HMC/SHMC
Ƙayyadaddun bayanai
| 1.56 Babban ruwan tabarau na Photochromic Flat Top Bifocal | |
| Samfura: | 1.56 ruwan tabarau na gani |
| Wurin Asalin: | Jiangsu, China |
| Alamar: | SETO |
| Kayan Lens: | Guduro |
| Aiki | Photochromic& Flat saman |
| Launin ruwan tabarau | Share |
| Fihirisar Rarraba: | 1.56 |
| Diamita: | 70/28 mm |
| Abbe Value: | 39 |
| Takamaiman Nauyi: | 1.17 |
| Zaɓin Rufe: | SHMC |
| Launi mai sutura | Kore |
| Wutar Wuta: | Sph: -2.00~+3.00 Ƙara: +1.00~+3.00 |
Siffofin Samfur
1) Menene ruwan tabarau bifocal?
Bifocals ruwan tabarau ne masu ikon gyara daban-daban.Bifocals ana yawan wajabta wa presbyopes
wanda ke buƙatar gyara ga myopia (nearsightedness) ko hyperopia (hangen nesa) tare da ko ba tare da gyara don astigmatism (karkataccen hangen nesa ba sakamakon ruwan tabarau mara tsari ko cornea).Manufar farko na ruwan tabarau na bifocal shine don samar da ma'auni mafi kyaun mayar da hankali tsakanin nesa da hangen nesa kusa.
Gabaɗaya, kuna duba sama da ta wurin nisa na ruwan tabarau lokacin da kuke mai da hankali kan maki mafi nisa, kuma kuna
duba ƙasa kuma ta ɓangaren bifocal na ruwan tabarau lokacin mai da hankali kan abin karantawa ko abubuwa a cikin 18
Inci na idanuwan ku. An yarda gaba ɗaya cewa Benjamin Franklin ya ƙirƙira bifocal.Mafi yawan bifocal a yau shine Madaidaicin Top 28 Bifocal wanda ke da madaidaiciyar layi a saman saman tare da radius 28mm.Akwai nau'ikan nau'ikan bifocals madaidaiciya da yawa da ake samu a yau waɗanda suka haɗa da: madaidaiciya Top 25, madaidaiciya saman 35, madaidaiciya saman 45 da Babban zartarwa (Asali Franklin Seg) wanda ke gudanar da cikakken faɗin ruwan tabarau.
Baya ga madaidaitan saman bifocals akwai gabaɗayan bifocals da suka haɗa da Zagaye na 22, Zagaye na 24, Zagaye na 25
da Blended Round 28 (babu takamaiman sashi).
Fa'idar zuwa ɓangaren zagaye shine cewa akwai ƙarancin tsallen hoto yayin da ɗayan ke canzawa daga nesa zuwa ɓangaren kusa na ruwan tabarau.
2)Halayen ruwan tabarau na photochromic
Ana samun ruwan tabarau na hotochromic a kusan duk kayan ruwan tabarau da ƙira, gami da manyan fihirisa, bifocal da ci gaba.Wani ƙarin fa'idar ruwan tabarau na photochromic shine cewa suna kare idanunku daga kashi 100 na hasken UVA da UVB masu cutarwa.
Domin ana danganta yanayin rayuwar mutum ga hasken rana da hasken UV da ciwon ido daga baya a rayuwarsa, yana da kyau a yi la'akari da ruwan tabarau na photochromic don kayan ido na yara da kuma na gilashin ido ga manya.
3) 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 |
Takaddun shaida
Masana'antar mu
