Page 5 - Eyes.pdf
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But with acute angle-closure may clump together and start to
glaucoma, symptoms that occur cloud a small area of the lens. This is a
suddenly can include blurry vision, halos cataract, and over time, it may grow larger
around lights, intense eye pain, nausea and cloud more of the lens, making it
and vomiting. If you have these harder to see.
symptoms, make sure you see an eye
care practitioner or visit the emergency No one knows for sure why the eye's lens
room immediately so steps can be taken changes as we age, forming cataracts.
to prevent permanent vision loss. Researchers are gradually identifying
factors that may cause cataracts — and
Cataracts information that may help to prevent them.
A cataract is a clouding of the eye's
natural lens, which lies behind the iris and Many studies suggest that exposure to
the pupil . A cataract is the most common ultraviolet light is associated with cataract
cause of vision loss in people over age 40 development, so eye care practitioners
and is the principal cause of blindness in recommend wearing sunglasses and a
the world. In fact, there are more cases of wide-brimmed hat to reduce your
cataracts worldwide than there are of exposure.
glaucoma, macular degeneration and
diabetic retinopathy combined, according
to Prevent Blindness America (PBA).
Today, cataracts affect more than 22
million Americans age 40 and older. And
as the U.S. population ages, more than 30
million Americans are expected to have
cataracts by the year 2020, PBA says.
The lens inside the eye works much like a
camera lens, focusing light onto the retina.
It adjusts the eye's focus, letting us see Blepharitis
things clearly both up close and far away. Blepharitis is a common eyelid
inflammation that sometimes is associated
The lens is mostly made of water and with a bacterial eye infection, symptoms of
protein. The proteins are arranged in a dry eyes or certain types of skin
precise way that keeps the lens clear and conditions such as acne rosacea.
let's light pass through it.
Although eye doctors commonly diagnose
But as we age, some of the protein blepharitis, it can be difficult to find
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