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Older People Who Are Partially Blind but Not Mentally Disturbed

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Older people who are partially blind but not mentally disturbed may "see" people, animals, building, plants, and other objects appear and disappear in front of their eyes. This rare condition is known as


Definitions:

Sample Mean

The average of all observations or data points in a sample.

Random Sample

A subset of a statistical population in which each member has an equal chance of being chosen for analysis or observation.

University Committee

A group of faculty members and sometimes students who come together to make decisions or manage certain aspects of university governance.

Standard Deviation

Standard Deviation is a statistic that measures the dispersion of a dataset relative to its mean, indicating how spread out the data points are.

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