Koj tus PD puas hloov nrog lub hnub nyoog?
Koj tus PD puas hloov nrog lub hnub nyoog?

Video: Koj tus PD puas hloov nrog lub hnub nyoog?

Video: Koj tus PD puas hloov nrog lub hnub nyoog?
Video: Cheem niam lub hnub nyoog kawm muas 2024, Lub rau hli ntuj
Anonim

Feem ntau, cov Pupillary nrug ntog nyob rau hauv ib thaj tsam ntawm 54 thiab 65 mm. Thaum me nyuam loj hlob tuaj, lawv PD khaws cia hloov tab sis thaum lawv dhau los ua neeg laus, qhov txiaj ntsig no tseem nyob tas li.

Ib yam li ntawd, koj yuav ua li cas thiaj paub yog tias koj tus PD yuam kev?

Qhov yuam kev PD tuaj yeem ua rau qhov muag tsis pom kev, qaug zog, mob taub hau thiab qhov muag tsis pom kev. Yog koj muaj ib tug tshuaj ntau heev thiab yuam PD Cov tsos mob no feem ntau mob hnyav dua. Hauv kuv qhov kev coj ua, qee tus neeg mob yuav yws tias lawv "tsuas yog tsis zoo". Qee zaum nws yog a vague paub tias ib yam dab tsi tsis ncaj ncees lawm nrog lawv tsom iav.

Ib yam li ntawd, qhov nruab nrab PD rau tus menyuam yog dab tsi? Nruab nrab PD Kev ntsuas rau cov menyuam yaus nyob nruab nrab ntawm 41 thiab 53. Txoj kev thib ob ua rau ob PD tus lej (ib qho rau txhua qhov muag) thiab hu ua 'Monocular PD '. Qhov no yog qhov ntsuas ntawm txhua tus menyuam kawm ntawv mus rau qhov chaw ntawm lub ntsej muag. Nruab nrab Kev ntsuas rau cov menyuam yaus nyob nruab nrab ntawm 20 thiab 27.

Ib sab saum toj no, qhov kev ncua deb ntawm cov menyuam yaus puas yuav tsum muaj tseeb?

Cov menyuam nyob deb ntsuas ua tsis muaj kom 100% meej kom muaj txiaj ntsig, vim nws tuaj yeem zam qhov kev ua yuam kev me me. Nruab nrab menyuam nyob deb rau tus neeg laus yog nyob nruab nrab ntawm 54-68mm, nrog rau kev ntsuas qhov sib txawv feem ntau poob ntawm 48mm thiab 73mm.

Qhov kev ncua deb ntawm cov menyuam yaus tseem ceeb npaum li cas?

PD txhais tau tias menyuam nyob deb ,”uas yog nyob deb nruab nrab ntawm qhov nruab nrab ntawm txhua tus tub kawm . Qhov no yuav tsum tau ua ib khub ntawm Rx tsom iav, vim hais tias nws qhia rau cov chaw tsim khoom ntawm lub tsom iav qhov twg los muab qhov chaw kho qhov muag ntawm txhua lub lens. A PD yuav tsum ntsuas kom raug rau cov iav kom raug.

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