Examlex
A continuous variable assumes any value from an interval (or collection of intervals).
Astigmatism
Uneven shape of the cornea or lens of the eye; causes a distortion in the light reaching the retina of the eye.
Nearsightedness
A common vision condition where one can see objects near to them clearly, but objects farther away are blurry. Also known as myopia.
Farsightedness
A vision condition where distant objects are seen more clearly than near objects due to the shape of the eyeball.
Cataracts
Condition where the lens of the eye becomes opaque, preventing the transmission of light to the retina.
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