#  Prevalence and Risk Factors  

 



 ##  

  expand\_more  

 
  

 

 **Prevalence**

   
• Affects an estimated 1-4 percent of the U.S. population  
• 3-4 times more prevalent in women than men  
• Leading cause of corneal transplantation worldwide

 **Risk Factors**

   
• Age  
• Female sex  
• Family history  
• Smoking  
• Diabetes  
• Cardiovascular disease