Video: Koj yuav sau tshuaj prism li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov mis: Prism xav tau = 2/3(phoria) - 1/3(compensating fusional vergence). Yog li, yog tias tus neeg mob muaj 6∆ exophoria thiab tawm-tawm (BO) kom plooj yog 6∆, tus txoj cai xav tau 2/3(6) - 1/3(6), los yog 4 - 2. Koj xav tau muab tshuaj 2∆ pib-hauv (BI), txij li qhov sib txawv yog exophoria.
Ntxiv rau qhov no, Prism yog dab tsi hauv daim ntawv tshuaj?
Prism Kev kho yog siv rau hauv tsom iav rau qee cov neeg uas muaj diplopia, lossis ob qhov muag pom. Qhov no yog thaum ib tug neeg pom ob daim duab sib cais ntawm ib yam khoom.
Dab tsi prism kho Exotropia? Prisms tau siv ob qho tib si hauv kev ntsuas kev sib tshuam (pib-tawm prism ) thiab kev kho mob (BI prism ) ntawm kev sib tshuam tsis txaus; thaum tus mob tsis tau relieved los ntawm kho qhov ua rau, qhov yuam kev refractive, thiab los ntawm orthoptic ce, BI prisms tau teev tseg rau kev ua haujlwm ze.
Hais txog qhov no, prism hauv koj lub tsom iav ua dab tsi?
A: Prism feem ntau yog sau rau hauv lo ntsiab muag los pab koj siv koj ob lub qhov muag ua ke. A: A prism khoov lub teeb. Prism nyob rau hauv tsom iav tuaj yeem dag koj ob lub qhov muag xav tias lawv ua haujlwm ua ke yam tsis muaj kev ntxhov siab. Prism kuj tuaj yeem pab nrog ob lub zeem muag los ntawm kev sib tw cov ob daim duab rau hauv ib qho.
Puas yog prism tsom iav ib ntus?
A txoj cai yuav txav txoj hauj lwm ntawm ib qho ntawm cov duab koj tuaj yeem pom. Lawv siv raws li a ib ntus kev kho yog tias koj ob lub zeem muag xav tias yuav hloov pauv nyob rau lub sijhawm, lossis raws li kev sim ua ntej mus tas li prism tuaj yeem tsim ua tshiab tsom iav.
Pom zoo:
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