Cataract surgery is a procedure in which the clouded lens of the eye is removed and replaced with an artificial lens. Cataracts can cause vision problems and may require surgical treatment if they interfere with daily activities.
Iridology is a technique in which practitioners claim to be able to assess a person’s health by examining the iris of their eye. According to practitioners of iridology, different parts of the iris correspond to different organs and systems in the body, and changes in the appearance of the iris can indicate health issues in those corresponding areas.