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Video: 2 Lub luag haujlwm ntawm lub lens yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Los ntawm kev hloov nws puab , lub lens hloov lub focal nrug ntawm lub qhov muag. Hauv lwm lo lus, nws tsom lub teeb ci uas dhau los ntawm nws (thiab mus rau retina) txhawm rau tsim cov duab meej ntawm cov khoom uas nyob ntawm ntau qhov deb. Nws kuj tseem ua haujlwm ua ke nrog lub qhov muag txhawm rau txhawm rau, lossis khoov, lub teeb.
Tom qab ntawd, ib tus kuj tseem tuaj yeem nug, qhov ua haujlwm ntawm lub lens quizlet yog dab tsi?
Cov lens enables qhov kev hloov ntawm tsom. Cov lens tuaj yeem hloov nws lub zog refractive los ntawm kev hloov nws cov duab, txheej txheem hu ua kev pab.
Ib sab saum toj no, tib neeg lub qhov muag lens ua los ntawm dab tsi? Cov lens yog tsim ntawm pob tshab, cov ntaub so ntswg hloov pauv thiab nyob ncaj qha tom qab lub qhov muag thiab tus tub kawm ntawv. Nws yog qhov thib ob ntawm koj qhov muag , tom qab lub cornea, uas pab kom pom lub teeb thiab cov duab ntawm koj lub retina.
Kuj paub yog, dab tsi yog ob lub luag haujlwm ntawm choroid?
Choroid . Cov hlab ntsha (cov hlab ntshav loj), txheej nruab nrab ntawm lub qhov muag nyob nruab nrab ntawm cov retina thiab sclera. Nws muaj nuj nqi yog muab khoom noj rau cov txheej txheem sab nrauv ntawm retina los ntawm cov hlab ntsha. Nws yog ib feem ntawm cov kab mob uveal.
Lub luag haujlwm ntawm lub lens yog dab tsi?
Lub lens nyob hauv qhov muag. Los ntawm kev hloov nws puab , lub lens hloov lub focal nrug ntawm lub qhov muag. Hauv lwm lo lus, nws tsom lub teeb ci uas dhau los ntawm nws (thiab mus rau retina) txhawm rau tsim cov duab meej ntawm cov khoom uas nyob ntawm ntau qhov deb.
Pom zoo:
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