Migraines without aura -- the most common type of migraine -- do not produce aura symptoms to warn of their onset. They can, though, still cause vision problems and dizziness. The International Headache Society also recognizes a type of migraine known as retinal migraine. This type of migraine produces a variety of visual symptoms.
It may also be necessary to access the floor from below to allow forfaster drying. Effective drying of a hardwood floor is a slow process. It will sometimes take 7 to 10 days to allow the floor to release enough water to halt the forced drying process.
An oil based polyurethane finish is the most common finish put on wood floors. It typically takes 24-48 hours to dry between coats and 30 days to fully cure. Water based finish dries within two hours of application, cutting down on the wait time. However it costs almost three times as much as oil-based finish.