Lambobi a kan takardar sayan ido sun danganta da siffar idanunka da karfin hangen nesa. Suna iya taimaka muku gano ko kuna da yana sanadiyyar, lalatattun abubuwa ko masifa - kuma ga wane mataki.
Idan kun san abin da za ku nema, zaku iya samun ma'anar lambobi da kuma taƙaita-gormas akan ginshiƙin sayan.
OS VS. OS: Daya ga kowane ido
Likitocin ido suna amfani da raguwa "On" da "OS" don nuna madaidaicin idanunku da hagu.
● idonka na dama. Od gajere don Oculus Dexter, kalmar Latin don "ido na dama."
Os OS shine hagu. OS ne gajere don oculus simister, latin don "ido ido."
Hakanan takardar shaidar ku zata iya samun shafi mai taken "OU." Wannan shi ne raguwa gaOculus Uterque, wanda ke nufin "idanu biyu" a Latin. Waɗannan sharuɗɗan da aka ɗauri sun zama ruwansu akan magunguna don tabarau, Tuntuɓi tabarau da magunguna na ido, amma wasu likitoci da cututtukan sun zaɓi zamani don yini da magungunan idonsu ta amfani daSake (ido na dama)daLe (ido na hagu)maimakon od da OS.
Sphere (SPH)
Skin yana nuna adadin ikon ruwan tabarau da aka wajabta shi don gyara daidai wanda bai faru ba. An auna ikon Lens a cikin Diopters (D).
● Idan lambar a ƙarƙashin wannan taken ya zo tare da alamar debe (-),Kuna da ra'ayi.
● Idan lambar a ƙarƙashin wannan taken tana da alamar da ƙari (+),Kuna da haske.
Silinda (Cyl)
Silinda yana nuna adadin wutar ruwan tabarau da ake buƙata donmasanan. Koyaushe yana biye da wutar lantarki a kan takardar sayen garken ido.
Lambar da ke cikin shafi na silinda na iya samun alamar dabia (don gyara tarihin misigtentism) ko kuma alamar ƙari (don satar tarihin).
Idan babu abin da ya bayyana a cikin wannan shafi, kai ko dai ba ku da masifa, ko kuma matsayin halin tarihinku yana da ƙanƙanta cewa ba buƙatar gyara shi ba.
Aksis
Axis ya bayyana lens aridian wanda ya dauke da silinda zuwadaidai stigmatism.
Idan magani na ido ya hada da ikon silinda, shi ma yana buƙatar haɗawa da darajar grois, wanda ke bin ikon silima.
An bayyana axis tare da lamba daga 1 zuwa 180.
Number 90 Yawan 90 yayi daidai da madaidaiciyar maridian ido.
● Lambar 180 ta dace da kwance da aridian na ido.
Haɗa
"Add" shinekara karfiAmfani da sashin ƙasa na ruwan tabarau na multulatocal don gyara PresbyPYEPIA - tushen halitta wanda ya faru da tsufa.
Yawan ya bayyana a cikin wannan sashin na sayen magani koyaushe shine "da" iko, ko da ba ka ga alamar da ƙari ba. Gabaɗaya, zai kasance daga +0.75 zuwa +3.00 d kuma zai zama ɗaya ikon duka idanu.
Ilmin yaƙi
Wannan shine adadin ƙarfin premicatic, wanda aka auna a cikin PD "ko alwatika yayin rubuta shi kyauta), wa aka rubuta shi don ramawaJindin idoMatsaloli.
Kadan ne kawai karamin kashi na magunguna masu gashin ido sun hada da matakin farko.
Lokacin da aka gabatar, ana nuna adadin prism ɗin a cikin ɓangaren awo ko yanki na Ingilishi (0.5 ko ½, alal misali), kuma za a nuna gefen hanyar da aka nuna ta hanyar lura da matsayin "gindi".
Ana amfani da raguwa guda huɗu don tsarin mulki: bu = tushe. BD = tushe ƙasa; Bi = tushe a cikin (zuwa hanci mai wearer); Bo = tushe na waje (zuwa ga kunnen salla).
Idan kuna da ƙarin sha'awa ko buƙatar ƙarin bayani game da kwararru akan ruwan tabarau na pictical, don Allah shigar da shafin mu tahttps://www.unserical.com/stock-leens/don samun ƙarin taimako.