Video: Cov iav tsom iav tiv thaiv ua dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Anti - qaug zog lo ntsiab muag yog tsim los kho cov tsos mob. Sab saud ntawm lub lens muab kev kho qhov muag tsis pom kev zoo ib yam (ib yam li kev saib ib leeg ib txwm lo ntsiab muag ), tom qab ntawd muaj qhov hloov pauv maj mam hauv lub zog ntawm lub hauv paus kom txo tau qhov mob ntawm kev ua haujlwm ze.
Ib yam li ntawd, nws tau nug, cov iav tsom iav puas pab tau tiag?
Yog tias koj ntsib teeb meem ntawm lub qhov muag, lawv yuav yog qhov tsim nyog hais tias, ntau tus neeg tau ntsib qhov muag dig muag thiab tsuas yog tsis quav ntsej nws. Tsis tas li ntawd, feem ntau tsom iav computer ua tau pab nce qhov sib piv, uas ua rau nws yooj yim dua rau koj kom ua raws li qhov tseeb khoos phis tawj npo.
Tsis tas li ntawd, cov iav puas tuaj yeem pab kho qhov muag? Khoos phis tawj iav : Txo qhov muag nyem andlessen screen glare Qhov tseeb, cov kws tshaj lij pom zoo muab rau koj qhov muag tawg ib ntus, xws li siv txoj cai 20-20-20 los yog taug kev deb ib pliag.
Ntxiv mus, dab tsi yog qhov ntsuas OC yam tsawg kawg nkaus uas yuav tsum tau siv los tiv thaiv lo ntsiab muag?
Pom zoo yam tsawg kawg nkaus haum qhov siab yog 13mm. Yam tsawg kawg nkaus B ntsuas ntawm xaiv frameis23mm.
Lo ntsiab muag yog dab tsi?
Mechanics ntawm a so lub lens yog qhov tseem ceeb ntawm lub zog ntxiv rau hauv qab feem ntawm a tsom iav torelieveeye zog. Tsis zoo li kev vam meej ib txwm muaj lo ntsiab muag , so qhov muag lo ntsiab muag tsis txhob siv ntau qhov kev qhia pom thiab tsis ua rau muaj qhov txawv txav 4.
Pom zoo:
Dab tsi yog tsom iav tsom iav?
Kev tsom me me tshwj xeeb yog cov txheej txheem kev yees duab uas tsis nthuav dav uas tso cai rau koj kom pom kev thiab txheeb xyuas lub qhov muag qhov muag. Siv lub computer-pab morphometry, niaj hnub specular tsom tsom xam qhov loj me, cov duab thiab cov pejxeem ntawm cov endothelial cells
Kuv puas tuaj yeem muab kuv cov iav tsom iav los ua tsom iav?
Yog, koj tuaj yeem ua tau. Koj cov tsom iav RX ib txwm tuaj yeem pleev xim rau ib qho xim uas koj xav tau thiab ua rau koj ib khub tsom iav tsom iav. Tsuas yog coj koj lub tsom iav mus rau lub khw muag khoom kho qhov muag hauv cheeb tsam thiab ua rau koj cov iav tsom iav. Nws yog qhov ua tau rau koj kom koj cov iav tsom iav tsis tu ncua
Vim li cas qhov sib txawv hauv qhov tsom iav tsom iav tseem ceeb heev?
Qhov sib piv: Lub tshuab tsom me me yog ua kom lub ntiaj teb me me pom rau tib neeg qhov muag. Txhawm rau ua qhov no kom tiav, tib neeg lub qhov muag yuav tsum muaj peev xwm pom qhov txawv ntawm ib qho piv txwv los ntawm nws ib puag ncig. Qhov sib piv zoo dua, nws yooj yim dua yog pom qhov sib txawv hauv cov duab
Cov khoom siv ntshav dab tsi tuaj yeem tiv thaiv febrile Nonhemolytic cov tshuaj tiv thaiv?
Tsuas yog 1 ntawm 7 tus neeg mob ntsib tus kab mob febrile nonhemolytic cov tshuaj tiv thaiv yuav muaj lwm cov tshuaj tiv thaiv ntawm lawv cov kev xa mus tom ntej. Txoj hauv kev zoo tshaj los tiv thaiv kev mob febrile hnyav yog siv cov khoom muaj nqis leukocyte txo cov qe ntshav liab thiab cov qe ntshav liab apheresis
Dab tsi yog cov tshuaj tiv thaiv thiab lawv cuam tshuam nrog cov tshuaj tiv thaiv li cas?
Cov tshuaj tiv thaiv kab mob (immunoglobins) yog cov protein zoo li Y tsim los ntawm B hlwb ntawm lub cev tiv thaiv kab mob hauv kev teb rau kis rau antigens. Txhua cov tshuaj tiv thaiv muaj ib qho paratope uas paub txog ib qho epitope ntawm ib qho antigen, ua zoo li lub xauv thiab qhov tseem ceeb binding mechanism