Refractive errors cannot be prevented, but they can be diagnosed by an eye examination and treated with corrective glasses, contact lenses or refractive surgery.

屈光不正无法预防，但可通过验光作出诊断，并可选择眼镜、隐形眼镜或手术加以矫正。

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Normal vision can usually be restored by wearing corrective glasses or contact lenses.

一般视力通常可以经由配戴矫正眼镜或隐形眼镜而恢复。

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The military brass has convened a team of experts to look into possible remedies, ranging from hardy corrective goggles to improved contact lenses and elective surgery for specialists.

CNN: Where Life Passes in a Blur

Del Vecchio isn't banking just on prescription glasses, not with so many people opting for contact lenses or corrective surgery.

FORBES: Lens master

Del Vecchio isn't just banking on prescription glasses, not with so many folks opting for contact lenses and corrective surgery.

FORBES: Tough Guy