Cylinder
The Cylinder effect lets you make a certain cylinder-shaped area blurred.
In the Properties Area of the Video Effect window you can change the effect propertieschange the effect properties.
The properties of the Cylinder effect available for setting are center, radius, degree and vertical option. The vertical direction is set by default, if you'd like to blur the image horizontally, untick the Vertical option.
In the figures below you can see the video picture before and after applying the Cylinder effect:
Before applying the Cylinder effect
After applying the Cylinder effect