Muraayadaha laba-geesoodka ah waxa lagu magacaabi karaa muraayad ujeedo badan leh.Waxay leedahay 2 goobood oo kala duwan oo aragga hal lens oo muuqda.Lens-ka weyn ayaa inta badan haysta warqadda daawada ee lagama maarmaanka ah si aad u aragto masaafada.Si kastaba ha ahaatee, tani waxay sidoo kale noqon kartaa warqadda daawada ee isticmaalka kombuyuutar ama kala duwanaansho dhexdhexaad ah, maadaama aad caadi ahaan si toos ah u eegayso marka aad ka dhex aragto qaybtan gaarka ah ee lenska. Qaybta hoose, oo sidoo kale loo yaqaan daaqada, waxay sida caadiga ah haysataa warqadda akhriska.Maadaama aad guud ahaan hoos u eegto si aad wax u akhrido, tani waa meesha ugu macquulsan ee lagu dhejin karo gargaarka aragga ee kala duwan.
Faa'iidada muraayadda laba-geesoodka ah ee fidsan.
1.Tani waa muraayad aad u habboon oo u oggolaanaysa qofka xidhan inuu diirada saaro walxaha labadaba meel u dhow iyo fogaan iyada oo loo marayo hal muraayad.
2.Nooc ka mid ah muraayadaha waxaa loogu talagalay in lagu daawado walxaha fogaanta, meel u dhow iyo fogaanta dhexdhexaadka ah oo leh isbeddello u dhigma awoodda masaafada kasta.
Faa'iidooyinka laba-geesoodka-sare
1. Kuwa xidhani waxay ku arki karaan waxyaalaha u dhow qaabka wareegsan waxayna arki karaan waxyaalaha fogaanta muraayadaha intiisa kale.
2. Kuwa xidhani uma baahna inay beddelaan laba muraayadood oo kala duwan marka ay akhrinayaan buugaag iyo daawashada TV-ga.
3. Dadka xidhani waxa ay ilaalin karaan qaab isku mid ah marka ay eegaan shayga dhow ama midka fog.
Haddii aad qiimeyso tayada, waxqabadka iyo hal-abuurka waxaad timid meeshii saxda ahayd.
Tusmada & Qalabka La Heli karo
 Qalab | NK-55 | Polycarbonate | MR-8 | MR-7 | MR-174 |
 Tusmada Dib-u-celinta | 1.56 | 1.59 | 1.60 | 1.67 | 1.74 |
 Abbe Value | 35 | 32 | 42 | 32 | 33 |
 Cufis-jiidad gaar ah | 1.28g/cm3 | 1.20g/cm3 | 1.30g/cm3 | 1.36g/cm3 | 1.46g/cm3 |
 UV Block | 385nm | 380nm | 395nm | 395nm | 395nm |
 Naqshadeynta | SPH | SPH | SPH/ASP | ASP | ASP |
Sidee buu u shaqeeyaa muraayadaha bifocal?
Lenses Bifocal waxay ku fiican yihiin dadka qaba cudurka presbyopia- xaalad uu qofku la kulmo blur ama qalloocan aragga agtiisa marka uu akhrinayo buug.Si loo saxo dhibaatadan fog iyo aragtida dhow, muraayadaha bifocal ayaa la isticmaalaa.Waxay ka kooban yihiin laba qaybood oo kala duwan oo hagaajinta aragga, oo lagu kala soocayo xariiqda muraayadaha.Aagga sare ee muraayadda waxaa loo isticmaalaa in lagu arko walxaha fog halka qaybta hoose ay saxdo aragtida dhow.
