1.59 PC Bifocal Invisible Blue Dulani magalasi a HMC Optical

Kufotokozera Kwachidule:

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:	High Index Lens	Zida zamagalasi:	PC
Masomphenya:	Bifocal Lens	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:	75/70/65 mm	Kupanga:	Zam'mlengalenga

Bifocal lens amatanthauza mandala omwewo okhala ndi ma diopters awiri, ma diopters awiri

Imagawidwa m'malo osiyanasiyana a lens. Malo owonera kutali amatchedwa telophotomic area, yomwe ili kumtunda kwa lens. Malo omwe amagwiritsidwa ntchito kuyang'ana pafupi amatchedwa malo owonera pafupi ndipo ali m'munsi mwa theka la lens.

Ubwino wa ma bifocals: MUTHA kuwona zinthu zakutali momveka bwino kudera lakutali la magalasi, ndipo mutha kuwona bwino zinthu zomwe zili pafupi ndi magalasi omwewo. Palibe chifukwa chonyamula magalasi awiri, osasintha pakati pa magalasi akutali ndi pafupi pafupipafupi.

Mau oyamba a Zopanga

Ma lens apa PC amapangidwa ndi ma lens a polycarbonate, ndipo ma lens wamba (CR-39) ali ndi kusiyana kofunikira! PC imadziwika kuti galasi loletsa zipolopolo, kotero magalasi a PC amatsatira mawonekedwe abwino kwambiri azinthu zopangira kukana kwambiri, ndipo chifukwa cha index yayikulu ya refractive ndi kulemera kwake, amachepetsa kwambiri kulemera kwa mandala, pali zabwino zambiri monga: 100% Chitetezo cha UV, zaka 3-5 sizikhala zachikasu. Ngati palibe vuto pochita izi, kulemera kwake ndi 37% kupepuka kuposa pepala wamba la utomoni, ndipo kukana kwamphamvu kumafika nthawi 12 za utomoni wamba!