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A Common Form of Farsightedness Occurs in Middle Age in Which

question 168

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A common form of farsightedness occurs in middle age in which the lenses in the eyes become brittle and inflexible. This disorder is known as:


Definitions:

Alkenes

Unsaturated hydrocarbons containing one or more double bonds, which influence their chemical reactions and properties.

Hydrogenation

The chemical process of adding hydrogen to an organic compound, often to reduce double or triple bonds to single bonds.

Molecular Formula

A representation of the number and type of atoms in a molecule, without indicating how the atoms are bonded or arranged.

Natural Product

A chemical compound or substance produced by a living organism, found in nature.

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