Examlex
For an annual time series extending from 2000 through 2010, how many years would be lost in a three year moving average?
Corrective Lenses
Optical lenses designed to correct vision impairments, such as myopia, hyperopia, astigmatism, and presbyopia, used in glasses or contact lenses.
Exam
A formal test of a person's knowledge or proficiency in a particular subject or skill.
Shortened Eyeball
An eyeball that is shorter than normal, often associated with hyperopia or farsightedness.
Light Rays
Streams of photons, which are elementary particles of light, that travel in straight lines and are visible when they encounter an object or substance.
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