Examlex
When a mistake is made in carrying out the design of a research study,____________________ error has occurred.
Astigmatism
A common vision condition caused by an irregular curvature of the cornea or lens, leading to blurred or distorted vision.
Hyperopia
A condition that occurs when light entering the eye is focused behind the retina; commonly called farsightedness.
Myopia
A vision condition also known as nearsightedness, where distant objects appear blurry while close objects are seen clearly.
Presbyopia
A condition associated with aging, where the eye gradually loses the ability to focus on close objects.
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