![Cov txheej txheem ntawm kev nyob hauv tib neeg qhov muag yog dab tsi? Cov txheej txheem ntawm kev nyob hauv tib neeg qhov muag yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14177799-what-is-the-process-of-accommodation-in-the-human-eye-j.webp)
Video: Cov txheej txheem ntawm kev nyob hauv tib neeg qhov muag yog dab tsi?
![Video: Cov txheej txheem ntawm kev nyob hauv tib neeg qhov muag yog dab tsi? Video: Cov txheej txheem ntawm kev nyob hauv tib neeg qhov muag yog dab tsi?](https://i.ytimg.com/vi/h8uPoSM2h8c/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Chaw nyob : Hauv tshuaj, muaj peev xwm ntawm qhov muag los hloov nws qhov kev tsom mus deb los ze rau cov khoom (thiab rov ua dua). Qhov no txheej txheem yog ua tiav los ntawm lub lens hloov nws cov duab. Kev nyob yog kev hloov kho qhov muag ntawm lub qhov muag kom khaws ib yam khoom tsom mus rau qhov retina raws li nws nyob deb ntawm qhov muag nws txawv.
Ib yam li ntawd, yuav muaj dab tsi tshwm sim thaum nyob hauv qhov muag?
Kev hloov pauv ntawm cov leeg ntawm cov leeg ciliary hloov qhov focal nrug ntawm qhov muag , ua rau ze dua lossis yav tom ntej dluab los ua kom pom tseeb ntawm retina; txheej txheem no hu ua chaw nyob . Thaum txav tsom los ntawm qhov nyob deb mus rau qhov khoom ze, tus qhov muag sib sau ua ke.
Ib yam li ntawd, lub hwj chim ntawm kev pab ntawm tib neeg lub qhov muag yog dab tsi? Cov Lub zog ntawm kev pab rau ib tus neeg nrog li qub qhov muag pom nyob ib ncig ntawm 4 dioptre (unit of lens hwj chim ). Koj puas paub tias qhov no Lub zog ntawm Chaw Nyob ntawm qhov muag yog txwv. Lub focal ntev tsis tuaj yeem hloov pauv tom qab qee qhov txwv.
Tsis tas li kom paub yog, koj yuav ua qhov ntsuas qhov muag li cas?
Tom qab ntawd txav koj tus ntiv tes mus rau ntawm qhov kawg ntawm lawv lub qhov ntswg thiab saib seb lawv cov menyuam kawm ntawv li cas (cov dots dub nyob rau hauv nruab nrab ntawm lub qhov muag) hloov cov duab, constricting kom hloov mus rau qhov tshiab nyob deb ntawm cov khoom (lawv yuav saib cross-eyed li lawv. sim ua raws tus ntiv tes). Qhov kev hloov no yog kev pab cuam reflex tshwm sim.
Dab tsi yog txhais los ntawm kev pab ntawm qhov muag Nws pab tau li cas?
Cov txheej txheem uas cov leeg nqaij ciliary hloov pauv qhov focal ntev ntawm ib qho qhov muag lub lens tsom mus rau qhov deb lossis ze cov khoom kom pom meej ntawm cov retina hu ua chaw nyob ntawm qhov muag . Nws pab ib tug neeg kom pom ob qho tib si nyob ze thiab nyob deb ntawm cov khoom los ntawm kev kho qhov ntev ntawm focal qhov muag tsom iav
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