Steroid medications have a clear connection to cataract formation. Steroid medications increase the risk of PSC, particularly if given in the form of eye drops to treat inflammation in the eye, the University of Illinois Eye and Ear Infirmary explains.
Oral steroids in the form of prednisone in doses of 15 mg per day over one year resulted in cataract formation in 75 percent of patients.
According to the same source, 765 steroid drops given over 10.5 months, or a little over two drops a day, ended in cataract formation in half the patients studied.
Inhaled steroids for asthma can also increase the risk, especially if 28 puffs or more are used. The risk of cataract development was three times higher in people using inhaled steroids four times a day or more.
Read more:
http://www.livestrong.com/article/10672 ... z18yLNtFgn