1.59 PC Bifocal Invisible Photochromic Grey HMC ruwan tabarau na gani

1.59 PC Bifocal Invisible Photochromic Grey HMC Lenses Filayen Hoto

Takaitaccen Bayani:

A halin yanzu, akwai nau'ikan nau'ikan nau'ikan ruwan tabarau a kasuwa, ɗayan kayan gilashi ne, ɗayan kayan guduro ne. An raba kayan guduro zuwa CR-39 da polycarbonate (kayan PC).

Bifocal lenses ko bifocal lenses su ne ruwan tabarau waɗanda ke ɗauke da wuraren gyara guda biyu a lokaci guda kuma ana amfani da su don gyara presbyopia. Wuri mai nisa da ruwan tabarau na bifocal ya gyara ana kiransa da nisa, kuma yankin kusa ana kiransa kusa da wurin karatu. Yawanci, yanki mai nisa yana da girma, don haka ana kiransa babban fim, kuma yankin da ke kusa da shi kadan ne, don haka ana kiran shi sub-fim.

Aika mana imel

Cikakken Bayani

Tags samfurin

Cikakken Bayani

Wurin Asalin:	Jiangsu	Sunan Alama:	BORIS
Lambar Samfura:	Lens na Photochromic	Kayan Lens:	Farashin SR-55
Tasirin hangen nesa:	Bifocal	Fim Mai Rufi:	HC/HMC/SHMC
Launin ruwan tabarau:	Fari (na cikin gida)	Launin Rufi:	Kore/Blue
Fihirisa:	1.59	Takamaiman Nauyi:	1.22
Takaddun shaida:	CE/ISO9001	Abbe Value:	32
Diamita:	70/28mm	Zane:	Asperical

Menene halayen ruwan tabarau na gilashi? Babban taurin, babu tauri, mai sauƙin karya lokacin bugawa. Yana da babban haske da watsa haske na kashi 92 cikin dari. Chemically da kwanciyar hankali na jiki, na iya tsayayya da tasirin kowane nau'in yanayi, kuma kada ku yi launi, kada ku fade. Saboda nauyinsa mai nauyi, bai dace da matasa ba.

Menene fa'idodin ruwan tabarau na guduro? An yi ruwan tabarau na guduro daga dithylene glycol da propylene glycol lipid dauki polymerization. Nauyin haske, juriya mai kyau, juriya mai zafi, kyakkyawar watsa haske, kusa da aikin ruwan tabarau na gilashi, na iya toshe haskoki na ultraviolet.

Menene fa'idodin ruwan tabarau na PC? Lens na PC wanda kuma aka sani da: yanki ko sarari, an yi shi da kayan PC na gani ta hanyar sarrafa allura. Yana da nauyi mai sauƙi, ƙarfin tasiri mai ƙarfi, kyakkyawan juriya na yanayi, watsa haske mai kyau, 100% sha na ultraviolet, ba mai guba ba, da kare muhalli, tare da ci gaba mai yawa na ci gaba.

Gabatarwar samarwa

Yawancin bifocals ana amfani da su don maye gurbin nau'i-nau'i biyu na bifocals waɗanda ake amfani da su don ganin nesa da gani kusa, don haka matsayi da girman wurin kallon nesa da kusa da kallo ya dace da ainihin gilashin biyu. Idan hangen nesa na kusa ya fi rinjaye, masu rarraba na iya zama mafi girma da matsayi mafi girma; A gefe guda, idan an ƙara ƙarin lokaci ana kallon nesa, ƙananan yanki za su kasance daidai da ƙanƙanta da ƙananan matsayi. Babu wani nau'i na zane da zai iya biyan bukatun yanayi daban-daban. Ya kamata a zaba kuma a daidaita daidai da ainihin bukatun masu sawa, kuma wani lokaci ya kamata a yi amfani da kayayyaki daban-daban don saduwa da bukatun gani na yanayi daban-daban tare da manyan bambance-bambance.