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Mid Dhamaystiran Cadaan 1.499 Tusaha Lensyada Bifocal ee Sare oo aan dahaarka lahayn CR39 Qalabka
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
Tilmaanta refractive | 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 muhiimadda muraayad-dhammeedka wanaagsan ee wax-soo-saarka RX u leeyahay?
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 shayada labadaba meel u dhow iyo meel fogba iyada oo loo marayo hal lens.
2) Muraayadaha noocaan ah waxaa loogu talagalay in lagu daawado walxaha fogaanta, fogaanta 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.