blurriness
Browns,
The timolol is similar to the blood pressure pills atenolol and metoprolol. They are called beta-blockers. As the pressure within the eye is lowered it can alter the contour of the eye slightly. This subtle change in shape can have an effect on how light is focused within the eye. This gives out of focus images. That's one way in which timolol can cause blurring. This will improve with time as your eye gets accustomed to normal pressures. If it doesn't, you should alert your doctor.
As with blood pressure pills, whether it's safe to skip a dose depends on several factors, including how high your pressure is. Generally speaking, open angle glaucoma causes damage to your vision over a fairly long period of time. One more day without treatment may not be a big problem, but I'd recommend checking with your ophthalmologist before skipping.
Anyway, congrats again on a timely and fortuitous diagnosis. Chronic glaucoma that starts at age 40, and left untreated, can cause blindness by age 60. It's a good idea to have regular check ups (and wear eye protection while mowing)