• Yadda ake karanta takardar sayan tabarau

Lambobin da ke kan takardar maganin gilashin ido suna da alaƙa da siffar idanunku da ƙarfin hangen nesa. Za su iya taimaka maka gano ko kana da hangen nesa, hangen nesa ko astigmatism - kuma zuwa wane mataki.

Idan kun san abin da za ku nema, za ku iya fahimtar lambobi da gajarta a kan ginshiƙi na likitancin ku.

OD vs. OS: Daya ga kowane ido

Likitocin ido suna amfani da gajeriyar “OD” da “OS” don nuna idanun dama da hagu.

OD shine idonka na dama. OD gajere ne don oculus dexter, kalmar Latin don “idon dama.”
● OS shine idon hagu naka. OS gajere ne ga oculus sinister, Latin don “ido na hagu.”

Rubutun ganin ku na iya samun shafi mai lakabi "OU." Wannan shi ne gajarta donoculus uterque, wanda ke nufin "ido biyu" a harshen Latin. Waɗannan sharuɗɗan da aka gajarta sun zama ruwan dare a kan takaddun magunguna na tabarau, ruwan tabarau da magungunan ido, amma wasu likitoci da asibitocin sun zaɓi sabunta rubutun idanu ta hanyar amfani da su.RE (idon dama)kumaLE (idon hagu)maimakon OD da OS.

Yadda ake karanta takardar maganin gilashin ido1

Sphere (SPH)

Sphere yana nuna adadin ƙarfin ruwan tabarau da aka tsara don gyara hangen nesa ko hangen nesa. Ana auna ƙarfin ruwan tabarau a diopters (D).

● Idan lambar da ke ƙarƙashin wannan taken ta zo da alamar ragi (-),kai mai hangen nesa ne.
● Idan lambar da ke ƙarƙashin wannan taken tana da alamar ƙari (+),kai mai hangen nesa ne.

Silinda (CYL)

Silinda yana nuna adadin ƙarfin ruwan tabarau da ake buƙata donastigmatism. Koyaushe yana bin ikon sararin sama akan takardar sayan gilashin ido.

Lambar da ke cikin ginshiƙi na Silinda na iya samun alamar ragi (don gyara astigmatism mai hangen nesa) ko ƙari (don hangen nesa astigmatism).

Idan babu wani abu da ya bayyana a cikin wannan shafi, ko dai ba ku da astigmatism, ko kuma darajar ku na astigmatism kadan ne wanda ba ya buƙatar gyara.

Axis

Axis yana siffanta ruwan tabarau Meridian wanda ba ya ƙunshi ikon Silinda zuwadaidai astigmatism.

Idan takardar maganin gilashin ido ya haɗa da ƙarfin Silinda, kuma yana buƙatar haɗa da ƙimar axis, wanda ke biye da ƙarfin Silinda.

An bayyana axis da lamba daga 1 zuwa 180.

Lamba 90 yayi daidai da meridian na ido a tsaye.
Lamba 180 yayi daidai da meridian na ido a kwance.

Yadda ake karanta takardar maganin tabarau2

Ƙara

"Ƙara" shineƙara girman ƙarfiAn yi amfani da shi zuwa kasan ruwan tabarau na multifocal don gyara presbyopia - hangen nesa na halitta wanda ke faruwa tare da shekaru.

Lambar da ke bayyana a cikin wannan sashe na takardar sayan magani koyaushe shine ikon "ƙari", koda lokacin da ba ku ga alamar ƙari ba. Gabaɗaya, zai kasance daga +0.75 zuwa +3.00 D kuma zai zama iko iri ɗaya ga idanu biyu.

Prism

Wannan shine adadin ƙarfin prismatic, wanda aka auna a cikin prism diopters ("pd" ko triangle lokacin da aka rubuta kyauta), an wajabta don ramawadaidaita idomatsaloli.

Kashi kaɗan kawai na rubutun gilashin ido sun haɗa da ma'aunin priism.

Lokacin da akwai, ana nuna adadin prism a ko dai a cikin ma'auni ko juzu'i na Ingilishi (0.5 ko ½, alal misali), kuma ana nuna alkiblar prism ta lura da matsayin dangi na "tushe" (mafi kauri baki).

Ana amfani da raguwa huɗu don jagorancin priism: BU = tushe; BD = gindin ƙasa; BI = tushe a (zuwa hancin mai sawa); BO = tushe fita (zuwa kunnen mai sawa).

Idan kuna da ƙarin sha'awa ko buƙatar ƙarin bayanan ƙwararru akan ruwan tabarau na gani, da fatan za ku shiga cikin shafinmu ta hanyarhttps://www.universeoptical.com/stock-lens/don samun ƙarin taimako.