De ce bebeluşii au ochii albaştri
Ultima actualizare:
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Oftalmologul american Norman Saffra spune că explicaţia acestui fapt este dată de concentraţia de melanină. Bebeluşii au ochii albaştri sau gri imediat după ce s-au născut, pentru că pigmentul nu este atât de pronunţat. Cu timpul, concentraţia creşte, iar culoarea ochilor se poate închide şi devin căprui sau negri. O cantitate mică de melanină face ca irisul să rămână albastru, în timp ce o concentraţie medie de melanină schimbă culoarea ochilor în verde sau căprui deschis. Aşa cum confirmă şi Norman Saffra, culoarea ochilor se definitivează abia la vârsta de 2 ani.
