Simulator for twilight and night vision
after LASIK or PRK / LASEK


 
 

This is how a person with normal vision sees this traffic situation.
   
       
  Please select your refractive error and the diameter of your pupil when dilated in darkness:    
 

 

   
 

Refractive error (in diopter)

   
  for nearsightedness (myopia):    
 
-1 to -3
-4 to -6
-7 to -9
-10 and higher
   
 

for farsightedness (hyperopia)

   
 
+1 to +3
+4
+5 and higher
   
       
 

Diameter of pupil (in mm)

   
 
3
4
5
6
7
8