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.
contamination. 1. the soiling or making inferior by contact or mixture, as by introduction of organisms into a wound. 2. the deposition of radioactive material in any place where it is not desired, especially where its presence may be harmful or constitute a radiation hazard.(kon-tam'i-nÄ'shÅ­n),ee Cross contamination Public health The presence of any foreign or undesired material in a systemâeg, toxic contamination of the ground water in an ecosystem or untreated sewage into a stream Radiation physics The deposition of radioactive material in any place where it is not wanted.