Cataracts can be caused by injuries to the eye. A cut, blow or burn to the eye can cause damage to the lens inside the eye. This type of cataract is called a traumatic cataract. Babies can be born with this condition. This is called congenital cataract.
Cataract is more common in people who have certain diseases such as diabetes.
Most forms of cataract develop in adult life. This is called age-related cataract and it is the most common type. It can occur anytime after the age of 40. Some people may or may not be aware that cataract is developing It can start at the edge of the lens and initially may not cause problems with vision. Generally, as cataract develops, people experience blurring or hazing of vision.