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Mitä harmaakaihi on?
Harmaakaihi on hyvin yleinen sairaus, jossa silmän linssistä tulee samea iän myötä. Verkkokalvolle pääsee tällöin vähemmän valoa, mikä tekee näöstä epätarkemman. Harmaakaihi on yleisin syy näkökyvyn heikkenemiseen maailmassa.
Oireet
Harmaakaihi kehittyy hitaasti ja usein kumpaankin silmään, mutta voi vaikuttaa ja edetä niissä eri tavalla. Oireita ovat:
hämärä tai sumea näkö
kahtena näkeminen
näköongelmat heikossa tai erittäin kirkkaassa valaistuksessa
kirkkaat valot voivat häikäistä ja tuntua epämiellyttäviltä
värit vaikuttavat haalistuneilta ja sävyttyvät keltaiseen tai ruskeaan
Yleiset syyt
Harmaakaihi kehittyy yleensä ihmisen ikääntyessä. Myös esimerkiksi seuraavat tekijät voivat lisätä riskiä sairastua harmaakaihiin:
tupakointi
diabetes
säännöllinen runsas alkoholinkäyttö
altistuminen UV‑säteilylle
tietyntyyppisten lääkkeiden pitkäaikainen käyttö
aiempi silmävamma tai ‑leikkaus.
Hoito
Jos sinulla on harmaakaihin lievä muoto, voi silmälasien vahvuuden muuttaminen tai kirkkaampi lukuvalo auttaa näkemään paremmin. Useimmiten harmaakaihi kuitenkin lisääntyy ajan myötä ja siihen tarvitaan hoitoa.
Ainoa tunnettu tehokas tapa hoitaa harmaakaihia on leikkaus. Leikkausta suositellaan, jos et näön heikkenemisen takia pysty selviämään päivittäisistä toiminnoista, kuten lukemisesta tai autolla ajamisesta. Optikkomme voivat ohjata sinut silmälääkärille, joka vahvistaa harmaakaihidiagnoosin ja suunnittelee hoidon.
Harmaakaihi on vain yksi niistä silmäsairauksista, jonka viitteitä on mahdollista havaita Kokonaisvaltaisessa näöntutkimuksessa. On tärkeää käydä säännöllisesti näöntutkimuksessa, jotta mahdolliset silmäsairaudet havaitaan ajoissa ja niitä voidaan hoitaa.
Seuraavat vaiheet
Haluamme auttaa sinua näkemään hyvin ja pitämään silmäsi terveinä mahdollisimman pitkään. Jos havaitsemme Kokonaisvaltaisen näöntutkimuksen yhteydessä viitteitä silmäsairauksista, ohjaamme sinut silmälääkärille.
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Varaa näöntutkimus Specsaversille
Specsaversin Kokonaisvaltaisen näöntutkimuksen avulla voit pitää huolta silmiesi hyvinvoinnista.
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Glaukooma
Glaukooma on silmäsairaus, joka vahingoittaa silmän aivoihin yhdistävää näköhermoa.
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Silmänpohjan rappeuma
Silmänpohjan ikärappeuma on silmän tarkan näkemisen alueelle kohdistuva sairaus.
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