Webthere are many causes of mild fluctuation of vision throughout a day. If a person is tired, as after vigorous exercise, their eyelids may droop and give them the. Webthe causes of blurred vision fall into four general categories:

Webblurry vision may happen when your eyes are tired or irritated, or it may be a symptom of a more serious condition. No matter what’s causing it, blurry vision can. The staff and eye doctors.