Macular Degeneration

Macular Degeneration

This is a visual example of a severe case of central MD.

 

Macular degeneration, commonly referred to as age-related macular degeneration (AMD), is the single largest cause of sight loss in the developed world and affects more than 10 million Americans. It usually affects people over the age of 60, but has been known to affect those who are younger. It is a painless condition that usually affects both eyes with the loss being experienced in the central vision. It does not affect the peripheral vision, meaning that it does not cause total blindness.


What is the macula?

The macula is the most sensitive part of the retina and is responsible for our central vision and what allows us to see fine details with clarity.
 

Varieties of Age-Related Macular Degeneration

 

Wet Age-Related Macular Degeneration

Wet Age-Related Macular Degeneration is one variety of the condition in which abnormal blood vessels grow into the macula, leaking blood or fluid which then causes scarring and a rapid loss of central vision. Wet Age-Related Macular Degeneration can develop suddenly and rapid referral to a specialist is essential as it can be treated if caught quickly.
 

Dry Age-Related Macular Degeneration

Dry Age-Related Macular Degeneration is the most common variety of age-related macular degeneration and is a gradual deterioration of the retina as the cells die off over time and are not regenerated. Up to 15% of people with dry Age-Related Macular Degeneration go on to develop wet Age-Related Macular Degeneration, and so any sudden changes in your vision should be followed up with your optometrist as soon as possible.


Symptoms of macular degeneration

Macular degeneration affects each person differently, which means that it can be difficult to self-diagnose, particularly as you may not notice any change in your vision early on in the condition. Your eye doctor will be able to easily diagnose and determine a treatment and care plan. You will start to see an increasing range of symptoms, including:

  • Distortion or bends in what should be straight lines (such as lampposts or door frames)

  • Dark spots in your central vision

  • Fading colors

  • Difficulty adapting from dark to light environments

  • Blurred vision

  • Objects may appear to change shape, size or color, or may move or disappear

  • Bright lights may be difficult to tolerate

  • Words may disappear while you are reading

 

Is there any way I can reduce my risk of developing Age-Related Macular Degeneration?

Unfortunately, there is no clear reason as to what triggers the process that causes macular degeneration. However, you are at an increased risk if you have a family history of the condition, or if you are over 60. 

Experts suggest that the best thing you can do to minimize any potential risk is to ensure that you live a healthy, active lifestyle. You can do this by:

  • Stopping smoking

  • Eating a healthy, balanced diet with plenty of fruit and vegetables

  • Moderating your alcohol consumption

  • Maintaining a healthy weight

  • Getting regular exercise

There is also some limited research that suggests that eating leafy, green vegetables can slow the deterioration of vision in cases of dry Age-Related Macular Degeneration.


Treatment for Age-Related Macular Degeneration

Sadly, there is currently no cure for either variety of Age-Related Macular Degeneration. In the case of dry Age-Related Macular Degeneration, the treatments suggested are done so with the aim of aiding the patient to make the most of their remaining vision. This can include things such as using magnifying glasses to help with reading.

Wet Age-Related Macular Degeneration can be treated with anti-vascular endothelial growth factor medication. This should stop additional blood vessels from developing and stop your vision from deteriorating further.

Occasionally, laser therapy is suggested as a possible treatment for destroying abnormal blood cells, but this is only suitable for cases of wet Age-Related Macular Degeneration and usually, only around 1 in 7 sufferers may be potential candidates for this procedure.


If you have any questions or concerns regarding macular degeneration, we highly recommend that you speak with your optometrist who will be happy to assist you.

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