Cov txheej txheem:
- Puas muaj tsom iav tshwj xeeb rau qhov muag tsis pom hmo ntuj?
- Cov tsom iav hmo ntuj puas ua haujlwm tiag tiag?
- Koj puas xav tau tsom iav yog tias koj pom tsis tau thaum hmo ntuj?
- Yog 0.75 qhov muag tshuaj phem?
Video: Puas tsom iav rau qhov muag tsis pom hmo ntuj?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kev kho mob rau hmo qhov muag tsis pom kev kho mob muaj ntau yam los ntawm kev yuav khoom tshwj xeeb ntawm tsom iav, lens coatings lossis contact lenses hnav thaum hmo ntuj (rau cov teeb meem kho qhov muag xws li myopia) mus rau kev phais (kho cov teeb meem hauv qab xws li kab mob cataracts), tshuaj (rau cov kab mob xws li glaucoma).
Puas muaj tsom iav tshwj xeeb rau qhov muag tsis pom hmo ntuj?
Hmo ntuj tsav tsom iav muaj nyob rau hauv ntau ntxoov daj thiab amberCov lo ntsiab muag tsaus nti lim tawm qhov pom tseeb tshaj plaws tab sis kuj, qhov loj tshaj plaws ntawm lub teeb, ua rau nws nyuaj rau pom hauv dim lossis tsaus ntuj. Qee cov neeg hnav tsom iav thaum hmo ntuj qhia tias lawv pom zoo thaum hmo ntuj thaum hnav.
Cov tsom iav hmo ntuj puas ua haujlwm tiag tiag?
Txoj kev tshawb fawb pom tias hmo ntuj tsav tsom iav tsis tshwm sim los txhim kho cov neeg taug kev nrhiav pom thaum hmo ntuj lossis txo qhov tsis zoo ntawm lub teeb ci ntsa iab ntawm cov neeg taug kev nrhiav pom kev ua haujlwm.
Koj puas xav tau tsom iav yog tias koj pom tsis tau thaum hmo ntuj?
Nearsightedness tuaj yeem ua rau nws nyuaj rau pom zoo ntawm qhov deb ntev hauv qhov tsaus ntuj, tshwj xeeb yog tias koj tsis muaj lub tsom iav lossis cov tsom iav zoo txaus. Dr. Roth hais tias "Yog li ntawd, daim ntawv tshuaj tshiab yuav yog txhua yam tsim nyog los kho koj qhov teeb meem," Dr. Roth hais.
Yog 0.75 qhov muag tshuaj phem?
Rau ob hom, qhov ze koj zero qhov zoo dua koj lub zeem muag. Piv txwv li, txawm tias kev ntsuas ntawm -0.75 thiab -1.25 ob qho tib si tsim nyog raws li kev pom me me, tus neeg uas muaj qhov yuam kev ntawm -0.75 yog technically ze rau 20/20 tsis pom kev yam tsis muaj lawv lub tsom iav ntawm
Pom zoo:
Puas yog tsom iav tsom iav zoo dua li kev cuam tshuam?
Reflecting telescopes muaj ntau yam zoo dua li kev tsom iav tsom iav. Cov iav tsis ua rau chromatic aberration thiab lawv yog yooj yim thiab pheej yig dua los tsim loj. Cov kuj tseem yooj yim dua rau mount vim tias lub nraub qaum ntawm daim iav tuaj yeem siv los txuas rau lub mount.
Thaum twg thawj hmo pom kev tsom iav tsom iav tau tsim?
Cov cuab yeej pom hmo ntuj tau qhia hauv German Army li ntxov li 1939 thiab tau siv hauv Ntiaj Teb Tsov Rog II. AEG pib tsim thawj cov khoom siv hauv xyoo 1935. Nyob rau nruab nrab-1943, German Army pib thawj qhov kev sim nrog infrared hmo ntuj pom kev (German:
Yuav ua li cas txhawm rau txhawm rau tsom iav tsom iav?
3 Cov kauj ruam yooj yim los kho koj lub Newtonian Reflector Telescope Kauj Ruam 1: Muab daim iav thib ob rau ntawm qhov axis ntawm lub qhov tsom iav. Kauj Ruam 2: Teem lub qhov muag ntawm qhov nruab nrab ntawm daim iav thawj. Kauj Ruam 3:
Saturn pom tau thaum hmo ntuj tsis muaj tsom iav?
Yog, raws li ib qho ntawm tsib lub ntiaj teb ci tshaj plaws, Saturn pom yam tsis muaj lub tsom iav. … Saturn yuav zoo ib yam li lub hnub qub ci ntsa iab saum ntuj yam tsis muaj cuab yeej saib ntxiv . Koj puas pom Saturn nrog qhov muag liab qab?
Koj puas xav tau tsom iav rau hmo ntuj dig muag?
Hmo tsis pom kev tshwm sim los ntawm qhov muag tsis pom kev, kab mob cataracts, lossis vitamin A deficiency vitamin A deficiency Txawm tias qhov tsis txaus nyob hauv cov teb chaws tsim kho tsis tshua muaj, ntau tus neeg nyob hauv cov teb chaws tsim kho tsis tau txais cov vitamin A txaus.
