“…6 In fact, chlorpromazine and other phenothiazinic antipsychotic drugs have been associated with cataract formation. 6,15,25,26 A factor that may have contributed to such a high rate in our study is the geographic location of Fortaleza, which is in an equatorial region with strong insolation (2.800 hours/ year) 27 since there is an association between cataract occurrence and solar exposure, 28,29 and the interaction between phenothiazines and the sunlight plays an essential role in cataract formation induced by these drugs. 17,18 A higher rate of cataract was observed in group 1, which used typical antipsychotic drugs at higher dosages for a longer duration when compared to group 2.…”