Cataracts: Symptoms, Causes, and Treatment - National Eye Institute

According to the National Eye Institute, a cataract is a condition characterized by clouding of the lens in one or both eyes. Cataracts are common in older individuals and result in blurred vision.

• Cataracts are common in older people.

The Facts

• The lens is a clear portion of the eye that focuses light on the retina, says the NEI. Cloudy lenses cannot pass a sharp image to the retina, which results in blurred vision.

Symptoms

• The NEI reports that the most common symptoms associated with cataracts include blurred vision, faded colors, a halo appearing around lights, poor night vision and double vision. These symptoms can also be associated with other eye conditions.

Risk Factors

• Certain people are more at risk for developing cataracts, says the NEI, including diabetics, those who smoke and people who experience prolonged exposure to sunlight.

Treatment

• According to the NEI, early symptoms of cataracts are usually treated by changing eye wear prescriptions. Doctors may surgically remove a cataract if it is greatly affecting everyday life.

Prevention

• Doctors recommend wearing sunglasses to protect the eyes from sun exposure. Stop smoking and eat a healthy diet rich in antioxidants to reduce the risk of developing cataracts, the NEI recommends.