Ocular pupillary txhais li cas?

Cov txheej txheem:

Ocular pupillary txhais li cas?
Ocular pupillary txhais li cas?
Anonim

menyuam kawm ntawv, nyob rau hauv lub cev ntawm lub qhov muag, qhov qhib nyob rau hauv lub iris uas lub teeb dhau mus ua ntej mus txog lub lens thiab raug tsom mus rau lub retina.

Dab tsi yog menyuam yaus?

Cov tub kawm ntawv yog qhov qhib hauv nruab nrab ntawm iris(tus qauv uas muab peb ob lub qhov muag xim). Lub luag haujlwm ntawm tus menyuam kawm ntawv yog tso cai rau lub teeb nkag mus rau lub qhov muag kom nws tuaj yeem tsom mus rau lub retina kom pib qhov kev pom.

Lub ntsiab lus ntawm cov menyuam qhov muag yog dab tsi?

Cov tub kawm yog dab tsi? Cov tub kawm ntawv yog qhov chaw dub ntawm qhov muag. Lawv txoj haujlwm yog tso rau hauv lub teeb thiab tsom nws ntawm retina (cov paj hlwb nyob tom qab ntawm lub qhov muag) yog li koj tuaj yeem pom. Cov leeg nyob hauv koj lub iris (qhov xim ntawm koj lub qhov muag) tswj txhua tus menyuam kawm ntawv.

Cov tshuaj tiv thaiv menyuam yaus qhia li cas?

Txhua yam kev hloov pauv ntawm tus neeg mob cov tshuaj tiv thaiv, qhov loj lossis cov duab, nrog rau lwm cov tsos mob ntawm lub paj hlwb, yog qhov qhia tau ntawm nce intracranial siab (ICP) thiab compression ntawm lub paj hlwb.

Dab tsi yog qhov loj me ntawm cov menyuam yaus?

Cov menyuam kawm ntawv ib txwm muaj nyob rau hauv cov neeg laus nws txawv ntawm 2 mus rau 4 hli hauv txoj kab uas hla hauv lub teeb ci rau 4 txog 8 hli hauv qhov tsaus ntuj. Cov menyuam kawm ntawv feem ntau sib npaug ntawm qhov loj. Lawv constricts rau illumination ncaj qha (cov lus teb ncaj qha) thiab illumination ntawm lub qhov muag opposite (consensual teb). Cov tub kawm ntawv nthuav dav hauv qhov tsaus ntuj.

Pom zoo:

Nthuav cov khoom
Thaum twg yog lub npe hu ua neologism?
Nyeem ntxiv

Thaum twg yog lub npe hu ua neologism?

Thaum twg yog lub npe hu ua neologism? Thaum ib tug eponym (ib lo lus raws li lub npe ntawm ib tug neeg los yog ib qho chaw) yog siv los ua ib lo lus tshiab nyob rau hauv cov lus, nws yog ib tug neologism. Thaum Earl ntawm Sandwich cov phooj ywg pib hu nws cov khoom noj txom ncauj tshiab "

Cov ntshav oxygenated los ntawm qhov twg?
Nyeem ntxiv

Cov ntshav oxygenated los ntawm qhov twg?

Lub plawv muaj plaub chav uas cov ntshav ntws. Ntshav nkag mus rau sab xis atrium thiab dhau los ntawm txoj cai ventricle. Lub ventricle txoj cai tso cov ntshav mus rau lub ntswsqhov uas nws ua oxygenated. Cov ntshav oxygenated tau coj rov qab mus rau lub plawv los ntawm cov hlab ntsha pulmonary uas nkag mus rau sab laug atrium.

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?
Nyeem ntxiv

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?

Nws yuav muaj txiaj ntsig zoo rau kev xaiv tsa raws li s815 CTA 2009 yog tias thov cov peev nyiaj pab yuav muab kev pab sai dua li txiav tawm cov nqi txiav tawm lossis cov nqi cuam tshuam raug lees paub hauv cov nyiaj (piv txwv li, vim tias Nyiaj Txiag Nyiaj Txiag Txhua Xyoo (AIA) yuav them.