It could be a number of things which would be difficult to determine without an eye examination. Your corneas could be dry if the blurring clears with artificial tears. Fluctuations in vision can also be caused from certain medical conditions such as diabetes.
We would like to thank you for participating in our Ask the Expert program and we remind you to visit your eye doctor regularly. If you have any further questions, feel free to contact our office at 924-2020 to schedule an appointment or email us with your phone number and we'll have the appropriate person contact you.