CDC (Control y prevención de enfermedades)

Acanthamoeba Keratitis
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm56d526a1.htm?s_cid=mm56d526a1_x
Toxic Anterior Segment Syndrome After Cataract Surgery
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5625a2.htm
Seguridad laboral
http://www.cdc.gov/niosh/eyesafe.html