Glaucoma is a disease that affects the optic nerve. This is typified by abnormal pressures in your eye and will eventually decrease your vision if left undiagnosed and treated.
LASIK is a safe, permanent procedure designed to provide vision correction for people who are looking for a vision correction path free from contacts or glasses.
As our eyes age or other diseases affect the eyes, the natural lens becomes cloudy and disturbs good vision. This is called a cataract.