In this video Dr. Michael J. Vaske Optometrist, Parker, CO, defines cataracts what they are, how they are caused and treated. Cataracts are a cloudiness on the lensesbr of the eye it can be caused by exposure to UV light or steroid use. Dr. Michael J. Vaske recommendsbr the use of sunglasses and to have regular eye exams. Left untreated cataracts can cause blindnessbr but there are many successful treatments including surgery to correct. br For more videos visit Dr. Michael J. Vaske serves Parker CO and also serves the following cities: Aurora CO, Littleton CO and Englewood CO.