Mid Dhamaystiran Caddaan 1.499 Tusaha Lensyada Bifocal ee Sare oo aan dahaarka lahayn Qalabka CR39
Sharaxaad Gaaban:
Meesha Asal ahaan: Jiangsu, Shiinaha
Nambarka Model: 1.499
Midabka muraayadaha: cad, cad
Saamaynta Aragga: Flat Top
Waddada: D28
Magaca Brand: kingway
Shahaadada: CE/ISO
Qalabka muraayadaha: CR39
Dahaarka: UC, HC, HMC
Dhexroorka: 70mm
Faahfaahinta Alaabta
Tags Product
Baakadaha & Bixinta
Qaybaha Iibka | Lammaanaha |
Cabbirka baakidhka keliya | 50X45X45 cm |
Hal miisaan guud | Qiyaastii 22kg |
Nooca Xidhmada | Gudaha: baqshadaha; Dibadda: Kartoon;heerka dhoofinta ama marka aad naqshadayso |
Waqtiga Hogaaminta | Tirada (Lammaanaha) 1 - 3000prs, 10 maalmood |
Tirada (Lammaanaha)> 5000prs, In laga xaajoodo |
Semi Dhamaystiran Caddaan 1.499 Tusaha Filat Top Bifocal Lenses UC
Tusmada dib-u-celinta | Dhererka Waddada | Dahaarka | Abbe Value |
1.499 | D25 | UC, HC, HMC | 57 |
Cufis-jiidad gaar ah | Gudbinta | Monomer | Range Power |
1.32 | > 97% | CR39 | SPH: 0.00~+-3.00 ku dar: +1.00~+3.00 |
Waa maxay muhiimada muraayad-dhammeedka wanaagsan u leeyahay wax soo saarka RX?
a.Heerka aqoonta sare ee saxnaanta awoodda iyo xasiloonida
b.Heer sare oo u qalma tayada la isku qurxiyo
c.Tilmaamaha indhaha sare
d.Saamaynta midabaynta wanaagsan iyo natiijooyinka dahaarka adag/AR
e.Aqoonso awoodda wax-soo-saarka ugu badan
f.gaarsiinta waqtiga
Ma aha oo kaliya tayada dusha sare, muraayadaha-dhammeeyayaasha waxay aad diirada u saaran yihiin tayada gudaha, sida cabbirada saxda ah iyo kuwa deggan, gaar ahaan qaabka caanka ah ee xorta ah.
1) Bifocal-ka ugu caansan ee isku-dhafka ah maanta wuxuu leeyahay D-qaabeeya meel u dhow qaybteeda wareegtey 90 darajo si qaybta fidsan ee "D" ay kor u soo jeeddo.Sababtan awgeed, D-seg bifocals sidoo kale waxaa loo yaqaan "flat-top" (FT) ama "toos-top" (ST) bifocals.
2) Kani waa lenska laba-geesoodka ah ee D.Waxay faa'iido u leedahay in xarunta indhaha ee qaybta aragtida dhow ee lens-ka ie qaybta aagga wax-akhriska ee bixisa aragtida aadka ugu wanaagsan, ay ku taal xagga sare ee qaybta wax-akhriska.Sidoo kale qaybta ugu ballaadhan ee goobta wax-akhrisku waxay ka hoosaysaa xariiqda qaybinta, waana qaybta muraayadda uu qofka xidhanayaa isticmaali lahaa.
Faa'iidooyinka Lensyada Sare ee Flat.
1) Kani waa muraayad aad ugu haboon oo u ogolaanaysa qofka xidha inuu diirada saaro walxaha labadaba meel u dhow iyo meel fogba iyada oo loo marayo hal lens.
2) Muraayada noocaan ah waxaa loogu talagalay in lagu daawado walxaha fogfog, meel u dhow iyo masaafada dhexe oo leh isbeddello u dhigma ee awoodda masaafada kasta.
Dahaarka AR
--HC (daahan adag): Si looga ilaaliyo muraayadaha aan la daboolin ee caabbinta xoqan
--HMC (dahaar adag oo badan/AR): Si aad uga ilaaliso muraayada si wax ku ool ah milicsiga, kor u qaado shaqada iyo samafalka araggaaga
--SHMC (daahan super hydrophobic): Si muraayada looga dhigo mid aan biyuhu ahayn, antistatic, silbasho liddi ku ah iyo caabbinta saliidda.