Examlex
Which of the following periods did NOT experience a mass extinction?
Visual Acuity
Visual acuity or the precision in seeing, often assessed by the capacity to recognize letters or numbers at a given distance.
Snellen Chart
A chart commonly used to measure visual acuity that consists of letters of progressively smaller size, used during eye examinations.
Near Vision Acuity
The ability to see clearly at a close range, typically measured to evaluate eyesight for reading and other close-up tasks.
Jaeger Chart
An eye chart used for reading up close and for determining near vision.
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