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A 39-year-old member asked:

What are the causes of macular degeneration?

4 doctor answers10 doctors weighed in
Dr. Todd Purkiss
Ophthalmology 18 years experience
Number of factors: Macular degeneration (amd) is primarily an age-related disease (age 50+), but there are genetic and environmental factors that contribute to age of onset and severity. Risk factors for cardiovascular disease (stroke, heart attack) are also risk factors for amd. Smoking is the top modifiable risk factor. Of course, there is a lot we still don't understand about amd.
Dr. Keshav Narain
Retinal Surgery 30 years experience
Nature and nurture: This is the billion dollar question that is being answered by researchers across the globe. Generally, it is becoming evident that there are multiple genes involved in macular degenerations - both age related and other types. In addition to genetics, however, we know that there are some vital environmental factors that play a role. This includes photo-oxidation, antioxidant consumption and more.
Dr. Bruce Saran
Ophthalmology 34 years experience
Vitamins lifestyle: Macular degeneration is thought to occur from aging, exposure to uv radiation, exposure to toxins (smoking) and "pre-programmed" by genetics (family and race). You can lessen your risk by am early eye exam, don't smoke, shield your exposure from uv and follow your doctor's advice for nutrition and vitamins based on your age and exam. No prescribed drug yet.
Dr. Colin McCannel
Retinal Surgery 31 years experience
Genetics: The predisposition for macular degeneration is inherited. It is a very complex disease with several, if not many genetic mutations contributing to risk. Additionally, there are other health factors that modulate disease risk. Most importantly nutrition, but also life style (smoking=bad), etc. Rule of thumb: if something is thought to be good for the heart, it probably also reduces amd risk.

Similar questions

A 44-year-old member asked:

What is macular degeneration? What are the causes of this?

1 doctor answer1 doctor weighed in
Dr. Alan Jackson
Addiction Medicine 31 years experience
Macular degeneration: Is when the layer of cells of the back of the retina do not function well, leaving deposits called drusen mostly in the central vision area, the macula. This is caused by the age ing process, things that can damage the retina cells, ie uv light, and can be related to nutritional deficiencies. This entity is called age related macular degeneration( amd). Risk factors include old age, family histor.
A 42-year-old member asked:

What is macular degeneration ?

5 doctor answers7 doctors weighed in
Dr. Richard Scartozzi
Ophthalmology - Retinal Surgery 20 years experience
See below: Age-related macular degeneration (amd) is a retinal condition which affects older adults and results in a loss of vision in the center of the visual field (the macula). There are “dry” and “wet” forms. It is a top cause of blindness and visual impairment in older adults (>50 years) in industrialized countries.
A 40-year-old member asked:

What is the known cause of macular degeneration?

4 doctor answers8 doctors weighed in
Dr. Ari Weitzner
Ophthalmology 34 years experience
God knows: A lot of research being done now. Seems to be a problem with metabolizing the rods and cones which leads to drusen, which affects the barrier to the vascular layer. Many theories out there.
A 40-year-old member asked:

Could macular degeneration cause dizziness?

1 doctor answer4 doctors weighed in
Dr. William Dieck
Ophthalmology 39 years experience
Not usually: Macular degeneration in its advanced state can cause blurring of vision. If the blur is isolated to only one eye, a loss of depth perception could theoretically cause a dizzy sensation.
A 36-year-old member asked:

Is macular degeneration caused by trauma?

4 doctor answers6 doctors weighed in
Dr. David Kira
Ophthalmology 22 years experience
No: Trauma can cause retinal macular trauma such as choroidal rupture, hemorrhage and detachment. Macular degeneration in the traditional sense is caused by aging.

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Last updated May 22, 2015
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