noun
visual effect
General term for any effect perceived visually, not limited to film or media.
この絵は視覚効果が面白い。
This painting has an interesting visual effect.
noun
visual effects; VFX
Specifically refers to visual effects in filmmaking, television, and digital media. Often abbreviated as VFX.
See also:
この映画の視覚効果は素晴らしい。
The visual effects in this movie are amazing.