Examlex
The advantage of a Q sort scaling is that a small number of groups or piles can be used to increase the reliability of the results.
Contrast Sensitivity
The ability of the visual system to distinguish between light and dark areas of a visual image.
Hyperopia
A vision condition, also known as farsightedness, where distant objects can be seen more clearly than close ones.
Myopia
A common vision condition also known as nearsightedness, where distant objects appear blurry while close ones are seen clearly.
Presbyopia
A state related to older age where the eye gradually loses its capacity to concentrate on objects that are close.
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