Xim dig muag
Qhov xim dig muag yog qhov tsis pom kev qee cov xim nyob rau hauv txoj kev ib txwm.
Kev dig muag xim tshwm sim thaum muaj teeb meem nrog cov pigments hauv qee cov hlab hlwb ntawm lub qhov muag uas hnov tau xim. Cov hlwb no hu ua cones. Lawv pom nyob rau hauv lub teeb-nkag txheej ntawm cov nqaij hauv qab ntawm lub qhov muag, hu ua retina.
Yog tias ib qho xim xim nkaus xwb uas ploj lawm, tej zaum koj yuav muaj teeb meem qhia qhov txawv ntawm liab thiab ntsuab. Qhov no yog feem ntau hom xim dig muag. Yog tias cov xim sib txawv ploj, koj yuav muaj teeb meem pom cov xim xiav-daj. Cov neeg muaj xim xiav-daj xim dig muag feem ntau muaj teeb meem pom liab thiab zaub ntsuab, ib yam nkaus.
Cov ntawv xim tseem ceeb tshaj plaws ntawm cov xim dig muag yog achromatopsia. Qhov no yog qhov mob tsis tshua muaj rau tus neeg tsis tuaj yeem pom pom ib qho xim, tsuas yog txho txho.
Feem ntau cov xim dig muag yog vim muaj teeb meem keeb. Li ntawm 1 ntawm 10 tus txiv neej muaj qee hom kev dig muag xim. Tsawg tsawg tus poj niam yog xim dig muag.
Cov tshuaj hydroxychloroquine (Plaquenil) kuj tseem tuaj yeem ua rau xim dig muag. Nws yog siv los kho kev mob caj dab thiab lwm yam mob.
Cov tsos mob txawv ntawm ib tug neeg mus rau lwm tus, tab sis kuj yuav suav nrog:
- Teeb meem pom cov xim thiab qhov ci ntawm cov xim hauv txoj kev ib txwm muaj
- Tsis muaj peev xwm los qhia qhov sib txawv ntawm cov duab ntxoov ntxoo ntawm tib yam lossis xim sib xws
Feem ntau, cov tsos mob tshwm sim me me uas tib neeg yuav tsis paub tias lawv muaj xim dig muag. Niam txiv yuav pom cov cim ntawm qhov muag tsis pom kev xim thaum me nyuam yaus kawm thawj xim.
Kev ua nrawm nrawm rau sab qhov muag (nystagmus) thiab lwm cov tsos mob kuj yuav tshwm sim yog mob hnyav.
Koj tus kws kho mob lossis kws kho qhov muag tshwj xeeb tuaj yeem kuaj koj lub zeem muag xim ntawm ntau txoj kev. Kev kuaj rau qhov muag tsis pom kev xim yog qhov feem ntau ntawm txoj kev kuaj qhov muag.
Tsis muaj kev paub txog kev kho. Cov tsom iav tshwj xeeb thiab cov tsom iav yuav pab cov neeg dig muag xim qhia qhov sib txawv ntawm cov xim zoo sib xws.
Qhov muag tsis pom xim yog qhov kev mob lub neej. Cov neeg feem coob tuaj yeem hloov kho rau nws.
Cov neeg uas muaj xim tawv daj yuav tsis tuaj yeem tau txais txoj haujlwm uas yuav tsum muaj lub peev xwm kom pom xim kom raug. Piv txwv li, tus siv hluav taws xob, cov neeg pleev kob, thiab cov qauv tsim qauv xav pom kom pom cov xim muaj tseeb.
Hu rau koj tus kws kho mob lossis kws kho qhov muag tshwj xeeb yog tias koj xav tias koj (lossis koj tus menyuam) muaj xim dig muag.
Xim tsis txaus; Qhov muag tsis pom - xim
Baldwin AN, Robson AG, Moore AT, Duncan JL.Kev tsis zoo ntawm cov pas nrig thiab lub khob hliav. Hauv: Schachat AP, Sadda SVR, Hinton DR, Wilkinson CP, Wiedemann P, eds. Ryan's RetinaCov. 6 tus ed. Philadelphia, PA: Elsevier; 2018: chap 46.
Crouch ER, Crouch ER, Pab Nyiaj TR. Ophthalmology. Hauv: Rakel RE, Rakel DP, eds. Phau Ntawv Qhia Txog Tshuaj Tsev NeegCov. 9le ed. Philadelphia, PA: Elsevier Saunders; 2016: chap 17.
Wiggs JL. Cov roj ntsha ntawm cov noob caj noob ces ntawm kev xaiv cov teeb meem ovular. Hauv: Yanoff M, Duker JS, eds. OphthalmologyCov. Thib 5 ed. Philadelphia, PA: Elsevier; 2019: chap 1.2.