Drusen
Drusen: Tiny yellow or white deposits in the retina of the eye or on the optic nerve head.
The presence of drusen is one of the most common early signs of age-related macular degeneration (AMD. The eye care specialist can see drusen during an eye examination. Their presence alone does not indicate disease, but it may mean that the eye is at risk for developing more severe AMD.
Read Also:
- DRVs (Daily Reference Values)
DRVs (Daily Reference Values): A set of dietary references that applies to fat, saturated fat, cholesterol, carbohydrate, protein, fiber, sodium, and potassium.
- Dry eye
A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as if something is in the eye. Other symptoms may include stinging or burning of the eye; episodes of excess tearing that follow periods of very dry sensation; a stringy discharge from the eye; and pain and redness of the eye. […]
- Dry mouth
The condition of not having enough saliva to keep the mouth wet. This is due to inadequate function of the salivary glands. Everyone has dry mouth once in a while when they are nervous, upset or under stress. But if someone has a dry mouth most all of the time, it can be uncomfortable and […]
- Dry skin
Abnormally dry skin. Can be caused by a dry climate, winter weather, severe deficiency of vitamin A, systemic illness, overexposure to sunlight, or medication. The skin loses moisture. It may crack and peel. Or it may become irritated, inflamed, and itch. Bathing frequently, especially with soaps, can contribute to dry skin. With dry skin, it […]
- DPT immunization
DPT immunization: Immunization to protect against diphtheria, pertussis (whooping cough), and tetanus. DPT immunizations are given in a series of 5 shots at 2, 4, 6, 18 months of age and 4-6 years of age. Thanks to vaccination programs, these diseases have become less common. However, there are still unvaccinated individuals capable of carrying and […]