Astigmatismul Imprimare Email

DESCRIERE


Astigmatismul este o boala comuna a ochiului care este usor de corectat cu ochelari, lentile de contact sau prin interventie chirurgicala. Se caracterizeaza printr-o curbura neregulata a corneei. Acest tip de tulburare este cunoscuta de asemenea ca o eroare de refractie. In cazul unei curburi semnificative, tratamentul este obligatoriu.
Un ochi normal este de forma sferica. In conditii normale, atunci cand lumina patrunde in ochi, ea se refracta uniform, creand o vedere normala a obiectului. La o persoana cu astigmatism, lumina este refractata mai mult intr-o directie decat in celelalte, ceea ce permite ca doar o parte a obiectului sa fie focalizata. Obiectele pot aparea neclare si ondulate.


SEMNE SI SIMPTOME


Persoanele cu astigmatism nedetectat sufera adesea de dureri de cap, oboseala sau vedere neclara. Cu tate ca aceste simptome nu sunt neaparat cauzate de astigmatism, ar trebui sa va programati pentru un consult oftalmologic.


CAUZE


Astigmatismul poate fi ereditar si este de multe ori prezent inca de la nastere. De asemenea presiunea exercitata de pleoape pe cornee, postura incorecta sau folosirea excesiva a ochilor pentru privitul aproape.


DIAGNOSTIC


Oftalmologul dvs poate pune diagnosticul pe baza unui examen amanuntit al ochiului. Din pacate astigmatismul poate trece nedetectat la copiii scolari. Sfatul nostru este sa consultati un oftalmolog in fiecare an pentru a detecta eventuala aparitie a astigmatismului.


TRATAMENT


Aproape toate cazurile de astigmatism pot fi corectate cu ochelari de vedere sau lentile de contact prescrise corect. Pentru animite cazuri usoare, lentilele corectoare nu sunt necesare. O alta metoda de tratament este interventia chirurgicala. Metoda consta in schimbarea formei corneei.
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