Which condition may cause farsightedness?

A. a cornea that is not curved enough

B. a pupil that is too wide

C. an iris that cannot expand

D. an eyeball that is too long

Question

Which condition may cause farsightedness?

A. a cornea that is not curved enough

B. a pupil that is too wide

C. an iris that cannot expand

D. an eyeball that is too long

harman.singh · Answer

"Farsightedness happens when your eye is shorter than normal, your cornea is not curved enough, or your lens sits farther back in the eye than it should." 
Source: myeyes.com


Looks like its 'A. a cornea that is not curved enough'.