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Malfunctions
Eye Malfunctions
Age-related Macular Degeneration
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Created by
Skye Matthews
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Cards (28)
What is the most common cause of severe loss of eyesight among people 50 and older?
Age-related macular degeneration
(AMD)
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How does age-related macular degeneration (AMD) affect vision?
It affects the
central vision
and the ability to see fine details
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What part of the retina is damaged in AMD?
The
macula
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What abilities may be lost in advanced stages of AMD?
The ability to drive, see
faces
, and read smaller print
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What are the early signs of AMD?
AMD may have
no signs
or
symptoms
in its
early stages
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What might happen if AMD worsens?
You might struggle to see anything in the middle of your
vision
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What activities can AMD make difficult?
Reading, watching TV, driving, or recognizing
faces
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What are some other symptoms of AMD?
Seeing
straight lines
as wavy, objects looking smaller, colors seeming less bright, and
hallucinations
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Is AMD painful or does it affect the appearance of the eyes?
No
, AMD is
not painful
and does
not affect
the appearance of the eyes
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What are some factors linked to the cause of AMD?
Smoking
,
high blood pressure
, being
overweight
, and having a
family history
of AMD
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Who diagnoses AMD?
An
optometrist
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What tools do optometrists use to check for AMD?
A
magnifying glass
with a light
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What might optometrists do to help spot problems in the eyes?
Put drops in your eyes to make vision
blurry
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When might you be referred to an ophthalmologist?
If there's a possibility you'll need to start treatment quickly
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What is dry AMD caused by?
A build-up of a fatty substance called
drusen
at the back of the eyes
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How does dry AMD progress?
It gets worse gradually, usually over several
years
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Is there treatment for dry AMD?
No treatment unless it develops into
wet
AMD
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What causes wet AMD?
The growth of abnormal blood vessels at the back of the eyes
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How does wet AMD progress compared to dry AMD?
Wet AMD can get worse quickly, sometimes in days or weeks
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What treatments are available for wet AMD?
Regular eye injections and occasionally
photodynamic
therapy
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What are anti-VEGF medicines used for in AMD treatment?
To stop
vision
from getting worse and improve vision in some people
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How effective are eye injections for AMD?
They stop vision getting worse in
9 out of 10
people and improve vision in
3 out of 10
people
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How often are eye injections usually given?
Every 1, 2, or 3
months
for
as long as necessary
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What is done to numb the eyes before treatment?
Drops
are used to numb the eyes
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What are some side effects of eye injections?
Bleeding
in the eye, feeling like there's something in the eye, and
redness
and irritation
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What is photodynamic therapy (PDT) used for?
To destroy the abnormal blood vessels that cause
wet AMD
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How often may photodynamic therapy need to be repeated?
Usually every few
months
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What are some side effects of photodynamic therapy?
Temporary
vision problems and sensitivity to light for a few days or
weeks
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