Examlex
Sunsets are red because sunlight must pass through more atmosphere then, and the atmosphere scatters even more light at bluer wavelengths, leaving mostly red light to color the sky.
Color Blindness
An inability or decreased ability to see color, or perceive color differences, under normal lighting conditions.
Squint
A condition where the eyes do not look in exactly the same direction at the same time, often referred to as strabismus.
Meniere's Disease
A disorder of the inner ear causing vertigo, hearing loss, and tinnitus, often leading to a feeling of fullness in the ear.
Unsteadiness
A lack of stability which can result in difficulty maintaining balance, often affecting walking or standing.
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