Cov txheej txheem:
- Yuav ua li cas thaum pom ib qho khoom ze ntawm tib neeg lub qhov muag?
- Thaum koj tab tom saib cov khoom ze ntawm lub qhov muag lub focal ntev ntawm lub qhov muag lo ntsiab muag?
- Lub qhov muag tsom ntsoov rau cov khoom ze li cas?
- Yuav ua li cas cov leeg koj saib thaum cov khoom nyob ze?
Video: Thaum saib ib qho khoom ze ntawm koj ob lub qhov muag?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Thaum cov khoom nyob ze ntawm qhov muag pom, ciliary nqaij ciliary leeg Cov leeg ciliary yog cov leeg nqaij ntawm qhov muag tsim ua ib lub nplhaib ntawm cov leeg nqaij hauv nruab nrab ntawm lub qhov muag (vascular txheej). Nws tswj kev saib xyuas cov khoom ntawm qhov sib txawv ntawm qhov sib txawv thiab tswj cov dej ntws ntawm kev lom zem rau hauv Schlemm tus kwj dej. https://en.wikipedia.org › wiki › Ciliary_muscle
Ciliary leeg - Wikipedia
relax thiab thaum saib cov khoom nyob deb ciliary cov leeg cog lus.
Yuav ua li cas thaum pom ib qho khoom ze ntawm tib neeg lub qhov muag?
Thaum pom cov khoom nyob ze, cov leeg nqaij ciliary cog lus thiab ua kom qhov curvature ntawm lub lens Thaum lub curvature ntawm lub lens nce, ces lub lens thickens thiab ua rau lub lens ntau convex. Yog li, nws qhov focal ntev txo. Thaum pom cov khoom nyob deb, cov leeg ciliary so thiab txo qhov curvature ntawm lub lens.
Thaum koj tab tom saib cov khoom ze ntawm lub qhov muag lub focal ntev ntawm lub qhov muag lo ntsiab muag?
Teb: Vim qhov no qhov muag tuaj yeem nce lossis txo qhov ntev ntawm lub lens txhawm rau pom cov khoom nyob ze lossis nyob deb. Txhawm rau pom cov khoom nyob ze, cov leeg ciliary cog lus thiab lens ua tuab thiab focal ntev yuav txo qis uas pab pom cov khoom nyob ze.
Lub qhov muag tsom ntsoov rau cov khoom ze li cas?
Kev nyob yog tus txheej txheem ntawm kev hloov cov duab ntawm lub lens kom tsom mus rau cov khoom nyob ze lossis deb. Txhawm rau tsom mus rau qhov ze ntawm qhov khoom - lub lens ua tuab dua, qhov no tso cai rau lub teeb rays kom refrac (khoov) ntau zogKom tsom mus rau qhov khoom nyob deb - lub lens yog rub nyias, qhov no tso cai rau lub lub teeb rays kom refrac me ntsis.
Yuav ua li cas cov leeg koj saib thaum cov khoom nyob ze?
Teb: thaum peb saib ib qho ze ntawm qhov khoom ces ciliary nqaij cog lus thiab lub lens ua tuab dua. Qhov no yog vim lub hwj chim ntawm accomodation.
Pom zoo:
Dab tsi yog qhov kev nthuav dav ntawm lub ntsej muag lub ntsej muag ntawm lub tshuab tsom iav?
Kev hais lus lub ntsej muag lub ntsej muag nthuav dav 10x. Txiav txim siab lub peev xwm loj ntawm lub hom phiaj lens. Lub magnification yog sau nyob rau sab ntawm lub lens. Kev lig kev cai, tus nqi yuav yog 4x, 10x, 40x, lossis 100x . Dab tsi yog qhov loj ntawm lub qhov muag lo ntsiab muag?
Thaum lub tuam txhab muag khoom muag khoom muag nws puas yuav?
Thaum lub tuam txhab muag khoom muag khoom muag, nws yuav lees paub muag cov nyiaj tau los ntawm tus nqi muagLub tuam txhab tseem yuav lees paub tus nqi ntawm cov khoom muag rau tus nqi ntawm tus nqi muag khoom. tus nqi ntawm cov khoom uas tau muag.
Dab tsi yog rho tawm los ntawm kev muag khoom kom txog ntawm kev muag khoom?
Net muag yog qhov tseem tshuav tom qab tag nrho rov qab, nyiaj cheb thiab muag luv nqi tau raug rho tawm ntawm kev muag tag nrho. Net muag feem ntau yog tag nrho cov nyiaj tau los tshaj tawm los ntawm ib lub tuam txhab ntawm nws daim ntawv qhia nyiaj tau los, uas txhais tau hais tias txhua hom kev muag khoom thiab kev txiav tawm cuam tshuam tau muab tso ua ke rau hauv ib kab .
Qhov qhov muag tsis pom ntawm lub tsheb thauj khoom nyob qhov twg?
Tsev tsheb ciav hlau qhov muag tsis pom muaj xws li: Ncaj nraim rau pem hauv ntej ntawm lub tsheb thauj khoom mus txog 20 ko taw Ncaj nraim hauv qab lub tsheb thauj khoom li 30 ko taw Txhua sab ntawm lub tsheb thauj mus rau sab nraub qaum Tam sim ntawd hauv qab thiab qab tus neeg tsav tsheb qhov rais Puas muaj qhov muag tsis pom kev tsheb thauj mus los?
Thaum cov neeg muag khoom muag npe rau cov khoom muag?
Ib tug tub lag luam wholesale ua haujlwm hauv cov saw hlau ntawm cov neeg tsim khoom thiab cov khw muag khoom. Qee cov lag luam wholesale tsuas yog npaj cov khoom txav ntawm cov khoom es tsis txav cov khoom lawv tus kheej. Cov neeg ua lag luam kev lag luam txwv tsis pub cov neeg lag luam coj lub npe rau cov khoom muag thiab xav tias kev pheej hmoo koom nrog kev ua haujlwm ywj pheej Thaum cov neeg muag khoom nqa lub npe rau cov khoom muag thiab them tus nqi ntawm tub sab
