 
Eye Care
Eye health includes the retina, the macula, the lens, the
clear membrane that lines the eye, and pressure within the
eyeball. The following conditions are related to eye care.
Allergies are responses mounted by the
immune system to a particular food, inhalant (airborne
substance), or chemical. In popular terminology, the terms
“allergies” and “sensitivities” are often used to mean the
same thing, although many sensitivities are not true
allergies. The term “sensitivity” is general and may
include true allergies, reactions that do not affect the
immune system (and therefore are not technically
allergies), and reactions for which the cause has yet to
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Some non-allergic types of sensitivity are called
intolerances and may be caused by toxins, enzyme inadequacies,
drug-like chemical reactions, psychological associations, and
other mechanisms.
 Cataract is a cloudiness in the lens of the
eye caused by damage to the protein of the lens. This
damage impairs vision. Most people who live long enough
will develop cataracts. Cataracts are more likely to
occur in those who smoke, have diabetes, or are exposed
to excessive sunlight. All of these factors lead to
oxidative damage. Oxidative damage to the lens of the eye
appears to cause cataracts in animals and people.
People with diabetes cannot properly process glucose, a
sugar the body uses for energy. As a result, glucose stays in
the blood, causing blood glucose to rise. At the same time,
however, the cells of the body can be starved for glucose.
Diabetes can lead to poor wound healing, higher risk of
infections, and many other problems involving the eyes,
kidneys, nerves, and heart.
The term glaucoma describes a group of eye conditions that
are usually associated with increased intraocular pressure
(pressure within the eyeball). In many cases, the cause of
glaucoma is unknown. Conventional medications are frequently
effective in reducing intraocular pressure. Therefore, it is
important for people with glaucoma to be under the care of an
ophthalmologist.
People with night blindness (also called
impaired dark adaptation) see poorly in the darkness but
see normally when adequate amounts of light are present.
The condition does not actually involve true blindness,
even at night.
Macular degeneration is the degeneration
of the macula retinae, also called the macula lutea, an oval
disc on the retina in the back of the eye. Degeneration of
the macula retinae is the leading cause of blindness in elderly
Americans.
Many factors can affect our
vision, which is also a target for such conditions as
cataracts and glaucoma. But age related macular
degeneration, the leading causes of blindness for seniors,
holds the biggest threat. However, recent studies have
shown that specific supplement combinations may be
effective at reducing and even reversing this
condition.

As we age, our vision suffers from exposure to natural and
unnatural elements in our environment, such as bright light,
free radicals, first and second hand smoke. It is also affected
by our genetic disposition for eyesight. Many of the diseases
associated with deteriorating vision are age-related. They
include macular degeneration, cataracts, retinopathy and
glaucoma, to name a few.
Age-related macular degeneration (AMD) effects approximately
13 million people in this country and is a primary cause of new
blindness for Americans over the age of 65. Macular
degeneration is a disease which affects the retina, gradually
causing vision loss. A breakdown between the retina and the
choroids results in degeneration.
The first symptom of macular degeneration is usually blurred
central vision or a large central blind spot. There is no cure,
but laser surgery during the early stages of the disease may
slow its progression. Risk factors for macular degeneration
include advancing age along with genetic predispositions,
arteriosclerosis, hypertension and smoking.
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