Astigmatism CROSS SECTION OF NORMAL EYE CROSS SECTION OF ASTIGMATIC EYE Retina Retina Lens Lens Cornea Cornea (soccer ball shape) (rugby ball shape】 1st fodal point 2nd focal point Vertical Vertical Focal point light rays light rays Horizontal Blur zone (horizontal and (horizontal and Horizontal light rays light rays vertical light rays share vertical light rays have common focal point) different local points)Astigmatism