Thaum lub qhov muag yug feem ntau yog hypermetropic?

Cov txheej txheem:

Thaum lub qhov muag yug feem ntau yog hypermetropic?
Thaum lub qhov muag yug feem ntau yog hypermetropic?
Anonim

Thaum yug tag nrho ob lub qhov muag yog hypermetropic rau qhov ntau ntawm 2.50 D txog 3.00 D. Raws li nws hais, myopia tsis tshua muaj thaum yug los txawm tias qee zaus nws tshwm sim congenitally.

Yog cov menyuam yug tshiab Hypermetropic?

Cov me nyuam mos feem ntau yog yug los hyperopic (pom deb) … txhais tau hais tias lawv ob lub qhov muag me me thiab cov duab ib txwm xav ua kom pom tseeb hauv qab lub qhov muag. Txawm li cas los xij, cov menyuam yaus kuj muaj peev xwm ua kom haum (yuav yuam lawv lub lens ntuj kom tau txais rounder thiab muaj zog dua) uas rub cov duab rau pem hauv ntej kom tsom mus rau retina.

Puas pom kev loj hlob thaum yug los?

Thaum yug los, cov menyuam mos pom tsis tau zoo li cov menyuam loj lossis cov laus. Lawv ob lub qhov muag thiab qhov muag pom tsis tau tsim tiav. Tab sis kev txhim kho tseem ceeb tshwm sim thaum thawj ob peb lub hlis ntawm lub neej. Cov hauv qab no yog qee qhov tseem ceeb los saib xyuas kev pom thiab kev loj hlob ntawm menyuam yaus.

Cov me nyuam puas muaj qhov muag pom kev zoo thaum yug los?

Thaum menyuam mos yug los tsis pom kev zoo tag nrho, txhua yam pib txhim kho raws li qhov lawv tuaj yeem pom thiab ua tiav hauv lub hlis tom qab yug los. Ib tug me nyuam mos muaj qhov muag tsis pom kev thiab pom ze heev. Qhov zoo tshaj plaws rau lawv pom ib yam khoom lossis koj lub ntsej muag yog nyob nruab nrab ntawm 8 txog 10 ntiv tes.

Kev pom kev zoo li cas thaum yug los?

Thaum yug, tus menyuam mos qhov muag yog ntawm 20/200 thiab 20/400. Lawv ob lub qhov muag yog rhiab heev rau lub teeb ci, yog li lawv muaj ntau duazoo li yuav qhib lawv lub qhov muag nyob rau hauv lub teeb qis. Tsis txhob txhawj yog tias koj tus menyuam lub qhov muag qee zaum hla lossis tawm sab nraud (mus "wall-eyed"). Qhov no yog ib txwm mus txog thaum koj tus menyuam qhov muag pom kev zoo dua thiab cov leeg qhov muag ntxiv dag zog.

Pom zoo: