What is croup? Croup is a fairly common respiratory condition in children usually caused by a viral infection or allergic reaction. Croup affects the windpipe (trachea), the bronchi (airways to the lungs), and the larynx (voice box).
However, as the cataract continues to become denser, vision also becomes more cloudy, and stronger glasses or contact lenses will no longer improve sight. Cataracts typically develop gradually and are usually not painful or associated with any eye redness or other symptoms unless they become extremely advanced.
All About Cataracts. A cataract is the clouding of the normally clear lens of the eye and occurs most commonly as a natural part of the aging process. Eventually everyone will get a cataract; in fact, each year over 2 million people have cataract surgery. Blurred vision and glare are the most common complaints offered by patients with cataracts.