Examlex
List three causes of artifact on an ECG tracing.
The Retina
The retina is a layer of tissue at the back of the eye that senses light and sends signals to the brain, enabling visual perception.
The Cornea
The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's focusing power.
Optic Chiasm
An X-shaped structure in the brain where the optic nerves partially cross, involved in the visual processing system.
Visual Field
The entire area that can be seen when the eyes are focused in one direction, including both central and peripheral vision.
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