Although the human eye lens is clear and transparent in its
normal state, it may become partially or totally clouded as
people age, or under certain disease conditions (like diabetes
The eye lens is made up mostly of water and protein, but
sometimes the proteins begin to clump together, causing whitish
discoloration and preventing light from reaching the retina.
This clouding is called a cataract.
In many patients, cataracts can appear slowly and remain
unchanged for years. In rarer cases, the condition can worsen
progressively over a period of a few short weeks
In most mild cataract cases, corrective measures including
the use of anti-glare corrective eyeglasses or contact lenses
are usually prescribed.
How someone with cataracts
might view the world before
Cataract surgery is usually recommended only after a cataract begins to interfere with normal, everyday activities.
During phacoemulsification — the most common type of cataract surgery — the rapidly vibrating tip of an ultrasound probe breaks up the cataract, which is then simply suctioned out and replaced with an artificial
The operation is usually done on an outpatient
basis, with an eye covering worn for a brief period to allow
the eye to heal properly.
Elsewhere on the Web, learn more about the signs and symptoms
of cataracts including when to seek treatment, facts on other
options your doctor may prescribe, information on nutritional
& alternative treatments, as well as general eye disease
risk factors and ways to prevent the onset of cataracts ...
More about cataracts around the Web:
- National Eye Institute - Step-by-step guide to the
topic with facts & information on symptoms, diagnosis,
treatment, pre-surgical, surgical and post-surgical procedures,
brief information on related research and links to further