1.59 PC Bifocal Invisible Photochromic Gray HMC Optical lens

Kufotokozera Kwachidule:

Pakalipano, pali mitundu iwiri ya zipangizo zamagalasi pamsika, imodzi ndi galasi, ina ndi utomoni. Zida za utomoni zimagawidwa kukhala CR-39 ndi polycarbonate (PC zakuthupi).

Ma lens a Bifocal kapena Bifocal lens ndi ma lens omwe amakhala ndi magawo awiri owongolera nthawi imodzi ndipo amagwiritsidwa ntchito makamaka kukonza presbyopia. Malo akutali okonzedwa ndi lens bifocal amatchedwa dera lakutali, ndipo dera lapafupi limatchedwa pafupi ndi malo owerengera. Kawirikawiri, dera la distal ndi lalikulu, choncho limatchedwanso filimu yaikulu, ndipo dera loyandikana nalo ndi laling'ono, choncho limatchedwa sub-filimu.

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zambiri Zopanga

Malo Ochokera:	Jiangsu	Dzina la Brand:	BORIS
Nambala Yachitsanzo:	Magalasi a Photochromic	Zida zamagalasi:	Mtengo wa SR-55
Masomphenya:	Bifocal	Filimu Yophimba:	HC/HMC/SHMC
Mtundu wa Magalasi:	White (m'nyumba)	Mtundu Wopaka:	Green/Blue
Mlozera:	1.59	Specific Gravity:	1.22
Chitsimikizo:	CE/ISO9001	Mtengo wa Abbe:	32
Diameter:	70/28 mm	Kupanga:	Aperical

Kodi magalasi agalasi ndi chiyani? Kuuma kwakukulu, kopanda kulimba, kosavuta kuthyoka mukamenyedwa. Ili ndi kuwonekera kwambiri komanso kutulutsa kuwala kwa 92 peresenti. Mankhwala ndi thupi khola, akhoza kukana chikoka cha mitundu yonse ya nyengo, ndipo musati mtundu, musati kuzimiririka. Chifukwa cha kulemera kwake kwakukulu, sikoyenera kwa achinyamata.

Kodi ubwino wa resin lens ndi chiyani? Ma lens a resin amapangidwa ndi diethylene glycol ndi propylene glycol lipid reaction polymerization. Kulemera kwapang'onopang'ono, kukana kwamphamvu, kukana kutentha kwambiri, kutulutsa bwino kwa kuwala, pafupi ndi magwiridwe antchito agalasi lagalasi, kumatha kuletsa kuwala kwa ultraviolet.

Ubwino wa magalasi a PC ndi chiyani? Lens ya PC yomwe imadziwikanso kuti: danga kapena danga, imapangidwa ndi zinthu za PC zowoneka bwino popanga jekeseni. Imakhala ndi kulemera kopepuka, mphamvu yamphamvu kwambiri, kukana kwanyengo yabwino, kutulutsa bwino kwa kuwala, 100% kuyamwa kwa ultraviolet, kusakhala ndi poizoni, komanso kuteteza chilengedwe, yokhala ndi ziyembekezo zambiri zachitukuko.

Mau oyamba a Zopanga

Ma bifocals ambiri amagwiritsidwa ntchito m'malo mwa awiriawiri a ma bifocals omwe amagwiritsidwa ntchito kuwona kutali ndi kuwona pafupi, kotero malo ndi kukula kwa malo owonera patali komanso pafupi ndi malo owonera ziyenera kugwirizana ndi magalasi awiri oyamba. Ngati masomphenya apafupi ali olamulira, zigawozi zikhoza kukhala zazikulu komanso zapamwamba; Kumbali ina, ngati nthawi yochulukirapo ikugwiritsidwa ntchito kuyang'ana patali, tizigawo tating'ono tidzakhala tating'onoting'ono komanso totsika. Palibe mtundu umodzi wa mapangidwe omwe angakwaniritse zosowa za zochitika zosiyanasiyana. Iyenera kusankhidwa ndikugwirizanitsa malinga ndi zosowa zenizeni za ovala, ndipo nthawi zina mapangidwe osiyana ayenera kutengedwa kuti akwaniritse zosowa zowoneka za zochitika zosiyanasiyana ndi kusiyana kwakukulu.