Optical illusions are fun images designed to trick your eyes and confuse the perception of what you are viewing. They are usually created with lines or shapes in varying thicknesses in black and white or multiple colors. The images often are designed to make two-dimensional designs appear three-dimensional. And the longer you stare at an illusion, the image seems to move or change shape. View full article »
Category: Vision
Twelve years ago, a breakthrough in vision-care correction occurred with the introduction of LASIK surgery.
LASIK is designed to correct nearsightedness, farsightedness and astigmatism. During the surgical procedure, the surgeon creates a thin flap in the cornea using a special blade or laser. The flap is folded back, and the surgeon uses a laser to reshape the cornea to correct these vision problems: View full article »
