People with farsightedness (hyperopia) have difficulty focusing on objects
that are close, such as print in a book. More severe farsightedness would also cause
problems with seeing objects in the distance clearly, such as highway signs.
Farsightedness i...
What is photorefractive keratectomy (PRK)?
PRK is a technique used to correct two types of vision focusing problems:
Nearsightedness — An excimer laser gently and precisely
resculpts the anterior (front) surface of the cornea. The technique ca...
