Optical illusions SPMS 8th grade

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Short Pump Middle School, Geometry End of Year Project

Transcript of Optical illusions SPMS 8th grade

  • 1. WERC

2. Visual Acuity 3. Definition: sharpness of vision, measured by the ability to discern letters or numbers at a given distance according to a fixed standard. If you have glasses, you dont have good visual acuity. If you have 20/20 vision, however, you have good visual acuity. The visual acuity test is more commonly recognized as the Snellen Chart. It is used to test eyesight to see if patients need glasses. 4. Visual acuity shows that a person pays large attention to detail. They also think outside the box when it comes to simple things. The Snellen Test shows how well or how poorly a person can see. 5. It is often used to test eyesight. Fun Fact: Astronauts have to get their eyes tested so that they can be positive of what theyre seeing in space. 6. Eyesight Tests 7. Lines Upon Lines upon Lines 8. Neither. The yellow lines just appear to be bent because of the black lines push them out. 9. The Saxophone 10. What did you see first? 11. Man With Saxophone Woman 12. Lines of Illusion 13. The right side seems to have a brighter shade of blue, but both sides have the same shade. Since red is the opposite color of blue, it makes the blue pop out more. 14. Makes Your Head Spin 15. Both circles are the same size. The purple/red circles surrounding them make them seem bigger/smaller than they actually are. 16. Road to Illusions 17. Hint: Dont pay attention to the width of the line, just the length. 18. A Helping Hand 19. What if its turned like this? 20. 3D Divot