AMD
Học thuậtThân thiện
Definition
Noun: 1. Age-related macular degeneration: A medical condition involving the deterioration of the macula, the central part of the retina, leading to a loss of vision in the center of the visual field. It is associated with aging.
Usage Examples
- Noun:
- The patient was diagnosed with AMD in both eyes.
- Regular eye exams are crucial for the early detection of AMD.
- There are two main types of AMD: dry and wet.
Advanced Usage
- "Dry AMD": The more common form, characterized by the gradual breakdown of light-sensitive cells in the macula.
- Dry AMD progresses more slowly than the wet form.
- "Wet AMD": A less common but more severe form, involving the growth of abnormal blood vessels under the retina.
- Wet AMD requires prompt medical treatment to prevent rapid vision loss.
Variants and Related Words
- Macular Degeneration (MD): The broader category of conditions affecting the macula. AMD is a specific type of MD.
- Macular degeneration is a leading cause of vision loss.
- ARMD: An alternative initialism for Age-Related Macular Degeneration, synonymous with AMD.
- The study focused on risk factors for ARMD.
Synonyms
- Age-Related Macular Degeneration (full term)
- ARMD (alternative initialism)
Notes on Usage
- AMD is almost exclusively used as an initialism in medical and common contexts. It is typically written in uppercase letters.
- It functions as a non-count noun; one does not typically say "an AMD" but rather "a case of AMD" or simply "AMD."
- The term is specific to the age-related form of the disease and is not used for macular degeneration caused by other factors.
Noun
- macular degeneration that is age-related