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Pembroke Dock
The Argyle Medical Centre Argyle Street, Pembroke Dock, Pembrokeshire, SA72 6HL 01646 689907 |
Macular DegenerationSometimes the delicate cells of the macula become damaged and stop working. We do not know why this is, although it tends to happen as people get older. This is called age-related macula degeneration. Because macula degeneration is an age-related process it usually involves both eyes, although they may not be affected at the same time. With many people the visual cells simply cease to function, like the colours fading in an old photograph - this is known as "dry" degeneration. Sometimes there is scarring of the macula caused by the leaking blood vessels and this is called disciform maculopathy. Children and young people can also suffer from an inherited form of macular degeneration called macular dystrophy, Sometimes several members of a family will suffer from this, and if this is the case, it is very important that eyes are checked regularly. Macular degeneration is not painful and never leads to total blindness. It is the most common cause of poor eyesight in people over 60, but never leads to complete sight loss because it is only the central vision that is affected. Macula degeneration never affects vision at the outer edges of the eye. This means that almost everyone with macula degeneration will have enough side vision to get around and keep their independence.
What are the symptoms ?
In the early stages central vision may be blurred or distorted, with things looking an unusual size or shape. This may happen quickly or develop over several months. One may be very sensitive to light or actually see lights that are not there. This may cause some discomfort occasionally, but otherwise macular degeneration is not painful. The macula enables people to see find details and those with the advanced condition will often notice a blank patch or dark spot in the centre of their sight. This makes activities like reading, writing and recognising small objects or faces very difficult. [data from www.college-optometrists.org]
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