Astigmatism

Astigmatism yog ib hom kev ua kom lub ntsej muag tsis raug. Kev ua yuam kev tsis zoo ua rau pom kev plooj plooj. Lawv yog cov laj thawj feem ntau vim li cas ib tus neeg mus ntsib tus kws kho qhov muag.

Lwm yam ntawm cov kab rov ua tsis yog:

• Cov Tub Sab
• Nearsightedness

Cov neeg muaj peev xwm pom tau vim tias sab pem hauv ntej ntawm lub qhov muag (pob me me) tuaj yeem khoov (tsis kam txais) lub teeb thiab tsom nws mus rau qhov retina. Qhov no yog sab hauv sab hauv ntawm lub qhov muag.

Yog hais tias lub teeb duab lub teeb tsis meej tsom rau lub retina, cov duab koj pom yuav ua tau blurry.

Nrog astigmatism, lub pob qhov muag yog qaws tsis zoo. Qhov nkhaus no ua rau tsis pom kev zoo tawm.

Cov ua rau kom paub txog astigmatism yog yam yus tsis paub. Nws feem ntau tshwm sim thaum yug los. Astigmatism feem ntau tshwm sim ua ke nrog nearsightedness lossis farsightedness. Yog tias astigmatism mob heev ntxiv, nws yuav yog qhov pom ntawm keratoconus.

Astigmatism kev nquag muaj ntau. Nws qee zaum tshwm sim tom qab qee yam ntawm kev phais qhov muag, xws li hlais tawm cataract.

Astigmatism ua rau nws tsis pom kev cov ntsiab lus zoo, nrog rau kaw lossis nyob deb.

Astigmatism raug kuaj tau yooj yim los ntawm kev ntsuas qhov muag pom nrog qhov ntsuas tsis pom tseeb. Feem ntau cov kev kuaj tshwj xeeb tsis tas yuav tsum muaj nyob rau hauv feem ntau.

Cov menyuam yaus lossis cov neeg laus uas tsis tuaj yeem teb tau rau qhov kev ntsuas niaj hnub rov ua tau zoo tuaj yeem ntsuas lawv qhov ntsuas los ntawm kev ntsuas uas siv lub teeb nrig tsom (rov ua haujlwm qub).

Ntshav astigmatism kev tsis txaus yuav tsis tas yuav raug kho.

Cov tsom iav lossis cov iav lo ntsiab muag yuav kho cov astigmatism, tab sis tsis kho nws.

Kev phais laser tuaj yeem pab hloov lub ntsej muag ntawm lub pob tsuas kom tshem tawm astigmatism, nrog rau kev pom kev tsis pom kev lossis farsightedness.

Astigmatism tuaj yeem hloov nrog lub sijhawm, xav tau cov tsom iav tshiab lossis cov iav ntsiab muag. Kho qhov muag pom kev tuaj yeem kho feem ntau, lossis txo qis astigmatism heev.

Hauv cov menyuam yaus, kev tsis paub qhov tseeb ntawm astigmatism hauv tsuas yog ib lub qhov muag yuav ua rau amblyopia.

Hu rau koj tus kws kho mob lossis kws kho qhov muag yog hais tias teeb meem pom kev tsis zoo, lossis tsis txhim kho nrog tsom iav lossis cov iav ntsiab muag.

• Kev kuaj pom qhov tseeb tseeb

Chiu B, Young JA. Kev kho ntawm rov ua yuam kev. Hauv: Yanoff M, Duker JS, eds. OphthalmologyCov. Thib 5 ed. Philadelphia, PA: Elsevier; 2019: chap 2.4.

Jain S, Hardten DR, Ang LPK, Azar DT. Excimer laser nto ablation: photorefractive keratectomy (PRK), laser subepithelial Keratomileusis (LASEK), thiab Epi-LASIK. Hauv: Yanoff M, Duker JS, eds. OphthalmologyCov. Thib 5 ed. Philadelphia, PA: Elsevier; 2019: chap 3.3.

Olitsky SE, Marsh JD. Kev txawv txav ntawm kev tshem tawm thiab kev pab. Hauv: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Phau Ntawv ntawm PediatricsCov. 21st ed. Philadelphia, PA: Elsevier; 2020: chap 638.