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presbyopia

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Presbyopia


Vision defect, an increasing inability with advancing age to focus on near objects. It is caused by thickening and loss of elasticity in the lens, which is no longer able to relax to the near-spherical shape required for near vision.

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Dominican Republic Flag The arms show a Bible open at the Gospel of St John, a Trinitarian symbol. The white cross symbolizes faith. The arms appear on national and state flags. Effective date: 14 September 1863. >>

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