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Refractive Errors
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Myopia
A condition where close objects appear clearly, but distant objects are blurry. Typically corrected with concave lenses or refractive surgery.
Hyperopia
A disorder where distant objects may be seen more clearly than close ones. Correction usually involves convex lenses or optional refractive surgery.
Astigmatism
A type of refractive error where the eye does not focus light evenly onto the retina, due to an irregularly shaped cornea. Corrected with special cylindrical lenses or refractive surgery.
Presbyopia
An age-related condition in which the ability to focus on close objects decreases over time. Reading glasses, bifocals, or multifocal contact lenses are common corrections.
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