whats the diffrence between a optical illusions and a perception illusions?

Question: whats the diffrence between a optical illusions and a perception illusions?
- Keywords:
  diffrence,
  illusions,
  optical,
  perception
Asked by 07parrkye to Ian on 16 Jun 2011. This question was also asked by 07bowermanmol.
- Ian van der Linde answered on 16 Jun 2011:
  
  Some people use these terms interchangably, but a perceptual illusion is usually thought of as an illusion caused by the brain interpreting visual information incorrectly (e.g., the Hering illusion), where an optical illusion doesn’t necessarily imply misinterpretation.

Question: whats the diffrence between a optical illusions and a perception illusions?