Is it common to have blurry vision at night?

Night myopia: The etiology of nightime myopia is your peripheral cornea needs a higher rx than the center. So when your pupil dilates at night, it reveals the peripheral cornea, so you wind up with nighttime myopia it's impossible to make glasses or contacts with higher prescriptions on the periphery, because of translational and registration issues the only way to eliminate nighttime myopia is with lasek.

Not uncommon: When we are out at night, our pupils dilate and focusing is more difficult. Near sight people are often more nearsighted at night while far sighted people can see better at night without their glasses. Several medical conditions such as cataracts and macular degeneration have visual symptoms that worsen under poor lighting conditions.