What are the Common Side Effects of Laser Eye Surgery? Most people will see an improvement in their vision immediately after Laser Eye Surgery. For those who have spent a lifetime wearing glasses and/or contact lenses for a severe or even mild refractive error, this new clarity of vision can be an overwhelming and joyous experience. But like most experiences in life, it’s not all sunshine and rainbows. After having Laser Eye Surgery, some people will also experience side effects….