OD vs. OS: Yuav Nyeem Koj Daim Ntawv Tshuaj Sau Qhov Muag Zoo Li Cas

Zoo Siab

• Kev kuaj qhov muag thiab cov tsom iav qhov muag
• OD thiab OS txhais tau li cas?
• Lwm cov lus luv rau ntawm koj lub ntsej muag tshuaj pleev qhov muag
• SPH
• CYL
• Axis
• Ntxiv
• Prism
• Cov lus ceeb toom rau koj cov tshuaj pleev tsom iav
• Koj cov tsom iav qhov muag tsis yog koj cov tsom iav lub qhov muag
• Nqa Nyiaj

Kev kuaj qhov muag thiab cov tsom iav qhov muag

Yog tias koj xav kho qhov muag raws li kev kuaj qhov muag, koj tus kws kho qhov muag lossis kws kho qhov muag yuav qhia koj paub yog tias koj pom kev tsis pom kev lossis tsis pom kev zoo. Tej zaum lawv yuav qhia koj tias koj muaj lub txiaj ntsig astigmatism.

Nrog rau kev kuaj mob, koj yuav tau muab tshuaj rau kom kho qhov muag tsom iav. Koj cov ntawv sau yuav muaj tus ntawv luv hais tias:

• OD
• OS
• SPH
• CYL

Koj puas paub cov no txhais li cas? Peb piav qhia.

OD thiab OS txhais tau li cas?

Kauj ruam ib ntawm kev nkag siab cov tshuaj los ntawm koj tus kws kho qhov muag yog paub OD thiab OS. Cov no yog cov lus luv rau cov ntsiab lus Latin:

• OD yog cov lus luv rau “oculus dexter” uas yog Latin rau “qhov muag sab xis.”
• OS yog cov lus luv rau "oculus sinister" uas yog Latin rau "sab laug qhov muag."

Koj daim ntawv yuav yuav muaj kem rau OU, uas yog ib qho lus luv rau "oculus uterque," Latin rau "ob lub qhov muag."

Txawm hais tias OS thiab OD yog cov tsiaj ntawv ib txwm siv hauv cov tshuaj kho qhov muag, tsom iav qhov muag, thiab tshuaj kho qhov muag, muaj qee cov kws kho mob uas tau kho lawv daim ntawv sau npe tshiab los hloov OD nrog RE (sab xis sab xis) thiab OS nrog LE (sab laug lub qhov muag).

Lwm cov lus luv rau ntawm koj lub ntsej muag tshuaj pleev qhov muag

Lwm cov lus luv uas koj yuav pom nyob ntawm koj daim ntawv muag tsom iav xws li SPH, CYL, Axis, Ntxiv, thiab Prism.

SPH

SPH yog qhov sau los ntawm “kheej” uas qhia tau lub zog ntawm lub lens uas koj tus kws kho mob tau sau tseg los kho koj lub zeem muag.

Yog tias koj tsis pom kev zoo (myopia), tus lej yuav muaj rho npe (-). Yog tias koj muaj kev vam meej (hyperopia), tus lej yuav muaj lub cim ntxiv (+).

CYL

CYL yog qhov luv ntawm "lub tog raj kheej" uas qhia tau lub zog lens koj tus kws kho mob tau sau kho los kho koj lub astigmatism. Yog tias tsis muaj tus lej hauv kem no, koj tus kws kho mob tsis pom muaj astigmatism lossis koj li astigmatism tsis tas yuav kho.

Axis

Axis yog tus lej ntawm 1 txog 180. Yog tias koj tus kws kho mob suav nrog lub zog rau lub tog raj kheej, tseem yuav muaj tus nqi axis los qhia kev muab tso rau qhov chaw. Kev ntsuas qov los ntsuas yog ntsuas hauv qhov ntsuas thiab yog hais txog qhov chaw uas cov neeg astigmatism nyob rau ntawm lub khws.

Ntxiv

Ntxiv yog siv nyob rau hauv lo ntsiab muag multifocal los qhia lub zog ntxiv rau lub zog rau hauv qab ntu ntawm lub lens.

Prism

Prism tsuas tshwm ntawm cov tshuaj tsawg tsawg. Nws tau siv thaum koj tus kws kho mob pom tias kev them nyiaj rau kev kho qhov muag tau tsim nyog.

Cov lus ceeb toom rau koj cov tshuaj pleev tsom iav

Thaum saib koj cov tshuaj tsom iav, koj yuav pom cov koob yees duab tshwj xeeb uas koj tus kws kho mob tau suav nrog. Cov no feem ntau yog xaiv tau thiab yuav raug them nqi ntxiv:

• Photochromic lo ntsiab muag.Kuj tseem raug xa mus rau cov zaws lo ntsiab muag sib txawv thiab cov teeb tsa ua lub teeb ci, qhov no ua rau cov lo ntsiab muag cia li tsaus nti thaum raug rau hnub ci.
• Los tiv thaiv xim txheej.Kuj tseem hu ua AR txheej lossis tiv thaiv glare txheej, txheej txheej no txo ​​qis kom pom kev zoo dua yog li pom ntau dhau ntawm lub lo ntsiab muag.
• Txheej txheem lo ntsiab muag.Cov no yog cov lo ntsiab muag multifocal uas tsis muaj kab.

Koj cov tsom iav qhov muag tsis yog koj cov tsom iav lub qhov muag

Thaum koj cov tsom iav qhov muag muaj tag nrho cov ntaub ntawv tsim nyog rau koj mus yuav tsom iav, nws tsis muaj cov ntaub ntawv tsim nyog rau kev yuav khoom cov tsom iav.

Cov ntaub ntawv no suav nrog:

• lens lub cheeb
• nkhaus ntawm sab nraub qaum ntawm lub lens sib cuag
• lens lub chaw tsim tshuaj thiab cov khoom lag luam

Koj tus kws kho mob kuj yuav qee zaum kho qhov tseeb ntawm lub zog kho qhov muag ntawm tsom iav thiab cov iav lo ntsiab muag raws li qhov nrug ntawm lub lens yuav yog los ntawm lub qhov muag. Cov tsom iav yog kwv yees li 12 millimeters (mm) deb ntawm qhov chaw ntawm lub qhov muag thaum tsom iav tau ncaj qha rau thaj chaw ntawm lub qhov muag.

Nqa Nyiaj

Nyob ntawm koj qhov xwm txheej tshwj xeeb - tam sim no siv cov tsom iav kho qhov tseeb, hnub nyoog, kev pheej hmoo, thiab ntau dua - feem ntau cov kws kho qhov muag pom tias yuav tsum muaj kev soj ntsuam qhov muag txhua xyoo lossis ob.

Lub sijhawm ntawd, yog tias tsim nyog, koj tus kws kho mob yuav muab tshuaj rau koj los siv thaum yuav khoom tsom iav qhov muag. Daim ntawv sau tshuaj no tuaj yeem nkag siab tsis meej txog thaum koj paub lub ntsiab lus ntawm ntawv luv xws li OS, OD, thiab CYL.

Nco ntsoov tias cov tshuaj uas koj tau txais rau tsom iav tsis yog daim ntawv yuav tshuaj rau cov tsom iav qhov muag tib yam. Koj tsis tuaj yeem nrhiav tshuaj rau lub qhov muag iav kom txog rau thaum koj tus kws kho mob tau ua qhov haum thiab ntsuam xyuas koj ob lub qhov muag cov lus teb rau lub tsom iav looj tsom iav.