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The eye has the amazing ability to zoom in and zoom out depending on where we are looking it. This is due to its elasticity. Loss of elasticity can cause a common defect found in people over 40 years called presbyopia. It is the inability to focus on near objects due to loss in elasticity of the crystalline lens. Although I haven't heard of a condition where the elasticity has reached zero, I'm assuming the person would not be able to vary his gaze.

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13y ago

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