Video: Koj yuav nyeem phau ntawv suab li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yuav ua li cas nyeem ib daim duab suab . Saib ntawm audiogram graph, koj yuav pom ob txoj kab. Kab rov tav sawv cev rau zaus (suab) los ntawm qis mus rau siab tshaj. Qhov ntsuas qis tshaj plaws feem ntau yog 250 Hertz (Hz), thiab qhov siab tshaj plaws yog 8000 Hz.
Ib yam li ntawd, tej zaum koj yuav nug, koj yuav nyeem daim duab ntsuas qhov hnov lus li cas?
Cov kev xeem hnov lus cov txiaj ntsig tau npaj rau ntawm a teeb duab nrog rau y-axis sawv cev hnov threshold thiab x-axis sawv cev zaus. Lub pob ntseg sab xis feem ntau yog npaj nrog O thiab sab laug pob ntseg nrog X. Pob txha conduction kuj tau npaj tseg (kom tso cai rau kev sib txawv ntawm cov conductive thiab SNHL).
Tom qab ntawd, lo lus nug yog, dab tsi yog audiogram qhia? ?? Cov txiaj ntsig tau los ntawm qhov kev ntsuas hnov lus raug nthuav tawm ntawm ib qho audiogram . Ib audiogram yog daim duab ntawd qhia lub suab mos muag uas ib tus neeg tuaj yeem hnov ntawm cov suab sib txawv lossis ntau zaus. Cov audiogram qhia hauv qab no qhia txog qhov sib txawv ntawm qhov tsis hnov lus.
Kuj tseem paub yog, qhov kev hnov lus ib txwm yog dab tsi?
Qhov feem ntau tau hais tseg ntawm tib neeg kev hnov lus yog 20 Hz ib rau 20 kHz. Nyob rau hauv qhov chaw kuaj mob zoo tshaj plaws, tib neeg tuaj yeem hnov lub suab qis li 12 Hz thiab siab txog 28 kHz, txawm hais tias qhov pib nce nrawm dua ntawm 15 kHz rau cov neeg laus, sib raug rau lub mloog pob ntseg kawg ntawm cochlea.
Cov txiaj ntsig kev hnov lus zoo yog dab tsi?
Txhua qhov nce ntawm 10 decibels (10 dB) suab nrov ob zaug. 20 dB suab ob zaug kom nrov li 10 dB 40 dB suab ob zaug kom nrov li 30 dB thiab 8 zaug nrov li 10 dB (10 txog 20 txog 30 rau 40 = 2 x 2 x 2 = 8). Li qub hnov yog hom twg los ntawm 0 txog 20 dB hauv txhua zaus.
Pom zoo:
Koj yuav hloov daim ntawv kho mob ntawv mus rau cov ntaub ntawv kho mob hauv xov tooj cua li cas?
Hloov daim ntawv kab ntawv mus rau cov ntaub ntawv kho mob hluav taws xob Txhua tus kab mob ntawm tus neeg mob tau luam tawm rau hauv cov ntaub ntawv kho mob hluav taws xob (EMR). Ib nrab ntawm kev tshuaj xyuas kab mob ntawm tus neeg mob rau hauv EMR system. Luam theej duab txhua tus neeg mob nplooj ntawv sau rau hauv EMR system. Ntiav ib lub tuam txhab sab nraud los tshuaj xyuas tag nrho koj cov kab kos rau hauv EMR system. Tsis txhob luam cov ntaub ntawv qub rau hauv EMR system
Kab twg koj yuav tsum tuaj yeem nyeem ntawm kab ntawv qhov muag?
Ib tus menyuam hnub nyoog 3 txog 4 xyoos yuav tsum tuaj yeem nyeem kab 20/40, thiab tus menyuam hnub nyoog 5 xyoos ntawm kab 20/30. Cov menyuam yaus thiab cov laus yuav tsum tau nyeem feem ntau ntawm cov ntawv ntawm kab 20/20. Yog tias koj pom ib qho txiaj ntsig uas poob sab nraum cov qauv no, nco ntsoov teem sijhawm kuaj mob qhov muag nrog koj tus kws kho mob Lub Zeem Muag
Qhov sib txawv ntawm Bergey Phau Ntawv Teev Npe ntawm Kev Txiav Txim Siab Kab Mob thiab Bergey Phau Ntawv Qhia Txog Kab Mob Kab Mob Li Cas?
Lub koom haum ntawm Bergey Phau Ntawv Qhia ntawm Kab Mob Kab Mob ua rau nws ua tsis tau zoo los pab tso cov kab mob tsis paub mus rau hauv cov se loj, tab sis nws muaj cov ncauj lus kom ntxaws txog tsev neeg, tsev neeg, thiab hom tsiaj thiab tseem nyob deb dua hnub no dua li Phau Ntawv Txiav Txim Siab
Yuav ua li cas koj nyeem ib daim ntawv tshuaj optometrist?
Common Rx Acronyms OD = Oculus Dexter hais txog lub qhov muag sab xis. OS = Oculus Sinister hais txog sab laug qhov muag. SPH = Sphere kho qhov muag tsis pom kev los yog pom kev deb. CYL = Lub tog raj kheej ua ke nrog Axis kho astigmatism. PD = Pupillary Distance yog qhov ntsuas qhov nrug ntawm cov tub kawm ntawv
Dab tsi nyeem phau ntawv ua rau koj lub hlwb?
Ntau xyoo dhau los, kws kho mob, kws tshawb fawb, thiab kws tshawb fawb tau lees paub tias kev nyeem ntawv yog ib qho kev txo qis kev ua haujlwm uas tuaj yeem txo koj lub plawv dhia thiab ntshav siab. mus ntev lifespans