Illusions about distinction and shade are mainly due to the way the retina's rods and cones system information via their receptive fields. → وَهْمٌ iluze illusion Illusion παραίσθηση ilusión illuusio illusion iluzija illusione 錯覚 환각 illusie illusjon iluzja ilusão иллюзия illusion ภาพลวงตา yanılsama ảo tưởng 幻想 An optical illusion. https://illusion-of-kundun-mu-onl13333.digitollblog.com/35568038/not-known-facts-about-illusion-of-kundun-mu-online