Clouded, blurred, or dim vision
Fading or yellowing of colors
Frequent changes in eyeglass or contact lens prescription
Halos surrounding lights
Need for brighter light to read.
Sensitivity to light and glare
Sudden nearsightedness
Overproduction of oxidants
Excessive exposure to sunlight
Eye Injury or trauma
Family history
Increasing age
Long-term exposure to bright sunlight
Obesity
Previous eye inflammation
Previous eye surgery
Radiation therapy
The long-term use of steroids and other medications
Ultraviolet radiation
Ophthalmologist
Optometrist