Nearsightedness, or myopia, as it is medically termed, is a visual condition in which near objects are seen clearly, but distant objects do not come into proper focus.
Presbyopia is a normal aging change in which the crystalline lens of your eye loses its elasticity and flexibility. This results in an inability to focus on close objects.
The tears your eyes normally produce are necessary for overall eye health and clear vision. Dry eye occurs when your eyes do not produce enough tears or produce tears that do not have the proper chemical composition.
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Man with green eyes
Bad sight problem. Senior lady squinting and holding newspaper far from eyes at home, free space
Close right eye with your hand. Little girl checking his vision with new green glasses.