Examlex
When an aging massive star generates an iron core, the iron cannot fuse and thus the star cannot support its weight outside the core. The star is no longer in hydrostatic equilibrium and collapses, forming a supernova.
Visual Impulses
Visual impulses are electrical signals generated by the retina in response to light, transmitted through the optic nerve to the brain, where they are interpreted as vision.
Eyestrain
Discomfort or strain on the eyes, typically resulting from prolonged computer use, reading without proper light, or any activity that requires intense focus.
Cones
Photoreceptor cells in the retina that enable color vision and visual clarity in bright light.
Fovea Centralis
A small depression in the retina of the eye where visual acuity is highest, due to the concentration of cones, specialized for daylight vision, fine detail, and color.
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