![Koj yuav hloov pauv lub tog raj kheej ntxiv rau rho tawm li cas? Koj yuav hloov pauv lub tog raj kheej ntxiv rau rho tawm li cas?](https://i.answers-medical.com/preview/medical-health/13974360-how-do-you-convert-a-plus-cylinder-to-minus-j.webp)
Video: Koj yuav hloov pauv lub tog raj kheej ntxiv rau rho tawm li cas?
![Video: Koj yuav hloov pauv lub tog raj kheej ntxiv rau rho tawm li cas? Video: Koj yuav hloov pauv lub tog raj kheej ntxiv rau rho tawm li cas?](https://i.ytimg.com/vi/wEAdOgDQUno/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Rau hloov rau rho tawm lub tog raj kheej format, ntxiv rau lub tog raj kheej lub zog rau lub zog kheej kheej, hloov lub lub tog raj kheej Lub zog kos npe los ntawm + rau - thiab hloov lub axis los ntawm 90 degrees. Hauv qhov no, lub rho lub tog raj kheej RX yog +6.00 -2.75 x 102.
Cov lus nug tseem yog, qhov sib txawv ntawm ntxiv thiab rho lub tog raj kheej yog dab tsi?
Tshem tawm lub tog raj kheej yog av nyob tom qab ntawm lub lens. Ntxiv rau lub tog raj kheej yog av pem hauv ntej ntawm lub lens. Cov teebmeem optical yog txawv . Qhov no tsis tau ua tiav raws li yuav luag txhua lub tog raj kheej yog hauv av nyob rau tom qab vim lub bifocals niaj hnub no yuav luag tag nrho rau pem hauv ntej.
Tseem Paub, puas yog 1.25 qhov muag tshuaj qhov muag tsis zoo? Nov yog ob qho piv txwv: Yog tias koj daim ntawv yuav tshuaj nyeem + 1.25 , koj yog qhov muag me ntsis. Yog koj daim ntawv yuav tshuaj nyeem -5, koj tau pom qhov ze heev. Cov kab ntawv tom ntej tuaj yeem yog "C" lossis "Cylinder," thiab nws tau siv los piav qhia astigmatism, uas tsuas yog txhais tau tias koj qhov muag tsis zoo tag nrho (zoo li cov neeg feem coob!).
Tib neeg tseem nug, koj puas tuaj yeem muaj tus kheej kheej thiab lub tog raj kheej tsis zoo?
Cov tshuaj ua tau sau rau hauv ib qho zoo los yog lub tog raj kheej tsis zoo form tab sis tseem txhais tau tias zoo ib yam. Qhov no yog nyob rau lub sijhawm ntawm kheej kheej - cylindrical lo ntsiab muag uas tau siv dua yog ntau niaj hnub toroidal lens daim ntawv. Kws kho qhov muag ua tau ob test in zoo los yog tsis zoo daim form.
Koj yuav hloov pauv daim ntawv yuav tshuaj ntxiv li cas?
Hloov a daim ntawv yuav tshuaj sau rau hauv ntxiv lub tog raj kheej rau rho tawm lub tog raj kheej daim ntawv raws li hauv qab no: 1.
Yuav hloov li cas tsom iav daim ntawv yuav tshuaj yooj yim!
Hloov +3.00 -2.00 x 30 | ||
---|---|---|
Kauj ruam 1 | Ntxiv lub zog thiab lub tog raj kheej los txiav txim siab lub zog kheej kheej tshiab. | (+3.00) + (-2.00) = +1.00 |
Kauj ruam 2 | Hloov daim paib ntawm lub tog raj kheej | +2.00 |
Pom zoo:
Kuv yuav rho tawm kuv li X tawm kev tso npe yuav ua li cas?
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Yog tias koj xav txiav koj qhov kev koom nrog hauv peb qhov kev teev npe, koj tuaj yeem ua li ntawd los ntawm kev hu xov tooj rau tus neeg siv kev pabcuam sawv cev ntawm tus lej xov tooj uas muaj npe hauv WEBSITE hauv tus neeg siv khoom lossis hu rau 888-499-8951 DAWB hauv Tebchaws Meskas -1255 hauv tebchaws Canada
Yam twg ntawm cov hauv qab no yog qhov hloov pauv hloov pauv tau rau kev mob pob txha?
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Yam yuav hloov pauv tau yam muaj xws li: Dej cawv. Kev haus luam yeeb. Low Body Mass Index. Kev noj zaub mov tsis zoo. Vitamin D tsis txaus. Kev noj zaub mov tsis zoo. Estrogen tsis muaj peev xwm. Kev tawm dag zog tsis txaus
Qhov kev hloov pauv twg yuav ua rau hloov mus rau sab laug hauv cov pa oxygen hemoglobin khi nkhaus?
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Cov pa -hemoglobin kev sib cais sib cais tuaj yeem txav chaw xws li qhov kev sib raug zoo rau cov pa oxygen tau hloov pauv. Cov yam ntxwv uas hloov qhov nkhaus muaj xws li kev hloov pauv hauv cov pa roj carbon dioxide concentration, ntshav kub, ntshav pH, thiab cov concentration ntawm 2,3-diphosphoglycerate (2,3-DPG)
Dab tsi yog cov lus nug uas koj yuav tsum nug koj tus kheej thaum koj ntsuas koj tus kheej rau kev ntxhov siab?
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Hauv qab no pom peb lo lus nug Hanna qhia koj tus kheej thaum koj muaj kev ntxhov siab txhawm rau ua kom koj tus kheej rov qab los. 'Qhov kev nyuab siab no puas yog kuv lub siab lossis lwm tus?' 'Kuv puas tuaj yeem pab tau?' 'Kuv yuav tsum tsim kom muaj ciam teb dab tsi?'
Yuav ua li cas koj pom lub ntsej muag ntawm lub tog raj kheej?
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Nco ntsoov, nyob rau hauv txoj cai ncig lub tog raj kheej, lub hauv paus yog lub voj voog. Txhawm rau nrhiav thaj chaw sab nraud, peb pom qhov perimeter, uas nyob rau hauv rooj plaub no yog qhov ncig (qhov kev ncua deb ntawm lub voj voog), ces muab nws los ntawm qhov siab ntawm lub tog raj kheej