MACULAR DEGENERATION Meaning and
Definition
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Macular degeneration, also known as age-related macular degeneration (AMD), is a chronic eye disorder that primarily affects the central part of the retina called the macula, leading to a gradual loss of central vision. It is commonly observed in individuals aged 50 years and older, hence its association with the aging process.
The retina is responsible for capturing light and converting it into electrical signals that are sent to the brain for image interpretation. The macula, located at the center of the retina, is responsible for sharp, detailed, and central vision. Macular degeneration occurs when the cells of the macula begin to deteriorate, leading to a progressive loss of visual acuity.
There are two main types of macular degeneration: dry and wet. Dry macular degeneration, also referred to as non-neovascular or atrophic AMD, is the more common variant, characterized by the gradual accumulation of tiny yellow deposits called drusen in the macula. These drusen can lead to thinning and drying out of the macula, causing a gradual loss of central vision.
On the other hand, wet macular degeneration, also known as neovascular or exudative AMD, is less common but more severe. It occurs when abnormal blood vessels called choroidal neovascularization grow underneath the macula. These new blood vessels are fragile and can leak blood and fluid, leading to scarring and rapid loss of central vision.
Macular degeneration can significantly impact everyday activities that require fine, detailed vision such as reading, driving, recognizing faces, and performing tasks that require hand-eye coordination. Regular eye exams and early detection are crucial for managing this condition and preventing further vision loss. Treatment options include medication, laser therapy, and sometimes surgery, depending on
Common Misspellings for MACULAR DEGENERATION
- nacular degeneration
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- mzcular degeneration
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- maxular degeneration
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- macylar degeneration
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- macuoar degeneration
Etymology of MACULAR DEGENERATION
The word "macular degeneration" can be broken down into two parts: "macular" and "degeneration".
The term "macular" is derived from the Latin word "macula", which means "spot" or "stain". In medical terminology, the macula refers to a small area near the center of the retina in the eye that is responsible for central vision.
"Degeneration", on the other hand, comes from the Latin word "degeneratio", which means a decline or deterioration in quality or function.
Thus, "macular degeneration" refers to the deterioration or degeneration of the macula, typically leading to a loss of central vision.
