Amblyopia, also referred to as âlazy eye,â is the most common cause of vision impairment in children. Amblyopia is the medical term used when the vision in one of the eyes is reduced because the eye and the brain are not working together properly.
U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: Environmental Exposure. The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.
Scientists know that environmental exposures play a role in allergic disease; you can't be sensitized to something you've never been exposed to. But in the past researchers have focused on allergens in the air, Silverberg said, such as pollen or ragweed, instead of other environmental exposures. These other factors could be related to a child's climate, diet or geography-specific infections.