Infant botulism signs and symptoms may include: Botulism is caused by botulinum toxin, a poison produced by the bacterium Clostridium botulinum. The organism is common in the soil and exists in untreated water, and can survive in this environment as a resistant spore.
The eye is surrounded by the eyewall, the roughly circular ring of deep convection which is the area of highest surface winds in the tropical cyclone. The eye is composed of air that is slowly sinking and the eyewall has a net upward flow as a result of many moderate - occasionally strong - updrafts and downdrafts.
Eye and Its Function. Eye Structure: Cornea-A clear, dome-shaped window in the very front of the eye. It acts as a window for light to pass in. Sclera The sclera is what is known as the white of the eye. It serves as the eye s protective coat.Lens The lens is a crystalline structure that focuses light into the retina.In a healthy eye, the lens changes shape to adjust for close or distance vision.ye Structure: Cornea-A clear, dome-shaped window in the very front of the eye. It acts as a window for light to pass in. Sclera The sclera is what is known as the white of the eye.