Homeopathic. Relieves symptoms of diagnosed cataract. If you have been diagnosed with cataracts, you may have been told that surgery is not needed until the condition significantly interferes with daily activities. If your physician has recommended postponing surgery, Similasan's unique Active Response Formula stimulates the eye's natural ability to relieve symptoms of cataracts. The active ingredients in Similasan eye drops have no known side effects and no known drug interactions. Similasan Healthy Relief products have provided safe, effective relief to millions of people for over 25 years. Active ingredients are microdiluted in accordance with the Homeopathic Pharmacopoeia of the United States and are therefore non-toxic with no known side effects. Made in Switzerland.