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What effects does solar activity have on Earth
Snellen Chart
A visual tool used to measure visual acuity, consisting of letters of varying sizes arranged in rows.
Amblyopia
A disorder in vision development where one eye does not reach normal levels of sharpness and is commonly known as "lazy eye."
Hyperopia
A vision condition, also known as farsightedness, in which distant objects can be seen more clearly than near objects.
Myopia
A vision condition characterized by the ability to see objects close to the eye clearly while distant objects appear blurred.
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