What can increase the risk of a cataract?

As well as ageing, there are other factors that can increase the risk of developing a cataract. They include:1

Disbetes
Diabetes
Extensive exposure to sunlight
Extensive exposure to sunlight
Long-term use of steroid medication
Long-term use of steroid medication
Smoking
Smoking
Obesity
Obesity
High blood pressure
High blood pressure
Previous eye injury or inflammation in the eye
Previous eye injury or inflammation in the eye
Previous eye surgery (the most common cause of cataracts in people under 40)
Previous eye surgery (other than laser surgery for vision correction such as PRK or LASIK)
Do you have any risk factors or are you experiencing any symptoms?
Reference

1. Mayo Clinic. Cataracts: symptoms and causes. Available at: http://www.mayoclinic.org/diseases-conditions/cataracts/symptoms-causes/dxc-20215129 Last accessed March 2017.