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Puas yog cov leeg ciliary yeem yeem lossis tsis yeem?

Cov txheej txheem:

Puas yog cov leeg ciliary yeem yeem lossis tsis yeem?
Puas yog cov leeg ciliary yeem yeem lossis tsis yeem?

Video: Puas yog cov leeg ciliary yeem yeem lossis tsis yeem?

Video: Puas yog cov leeg ciliary yeem yeem lossis tsis yeem?
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Tej zaum
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Cov leeg nqaij, uas tsis muaj kev ywj pheej, nyob hauv lub qhov muag thiab suav nrog cov leeg ciliary (saib ciliary lub cev) thiab iris. Cov leeg extrinsic, uas muaj peb khub ntawm cov leeg yeem, tau muab tso rau ntawm sclera (sab nrauv) ntawm lub qhov muag thiab tswj nws cov kev txav.

Cov leeg mob dab tsi yog cov leeg ciliary?

Cov leeg ciliary yog tsim los ntawm cov leeg nqaij du taw qhia nyob rau hauv longitudinal, radial, thiab ncig cov lus qhia. Interweaving tshwm sim ntawm cov pob khoom fiber ntau thiab los ntawm txheej mus rau txheej, xws li ntau qhov sib txuas ntawm cov ntaub so ntswg pom ntawm cov leeg pob.

Dab tsi ua rau cov leeg ciliary hauv koj ob lub qhov muag kom tsis txhob so?

Parasympathetic activation ntawm M3 muscarinic receptors ua rau ciliary nqaij contraction. Cov nyhuv ntawm contraction yog kom txo tau txoj kab uas hla ntawm lub nplhaib ntawm ciliary leeg ua rau so ntawm lub zonule fibers, lub lens ua ntau spherical, ua rau nws lub hwj chim refract lub teeb rau ze lub zeem muag.

Ciliary leeg ua dab tsi?

Lub cev ciliary tsim dej hauv qhov muag hu ua aqueous humor. Nws kuj muaj cov leeg ciliary, uas hloov cov duab ntawm lub lens thaum koj ob lub qhov muag tsom mus rau ib qho khoom ze. Txoj kev no hu ua chaw nyob.

Peb puas tuaj yeem tswj tau peb cov leeg ciliary?

Kev muaj peev xwm defocus koj ob lub qhov muag ntawm cov lus txib yog ib qho ntuj, tab sis tsis yog txhua tus tuaj yeem ua tau. Nws tau ua tiav los ntawm muaj peev xwm los so cov leeg ciliary hauv koj ob lub qhov muag, uas ua rau lawv poob lawv lub zog tsom mus.

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