Ear, Nose, and Throat Disorders
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Below: • Can earwax interfere with my child's hearing?
• What can I do about a build-up of earwax?
• Is the drainage from my child's ear related to earwax?
• How can I prevent earwax problems? |
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Eye Glasses And Contact Lenses |
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Below:  • Definition
• Purpose
• Precautions
• Description
• Aftercare
• Risks
• Key Terms
• Resources DefinitionEyeglasses and contact lenses are devices that correct refractive errors in vision. Eyeglass lenses are mounted in frames worn on the face, sitting mostly on the ears and nose, so that the lenses are positioned in front of the eyes. Contact lenses appear to be worn in direct contact with the cornea, but they actually float on a layer of tears that separates them from the cornea. |
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Ear, Nose, and Throat Disorders 
