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• ISLE 3.1. The Basics of Waves
• ISLE 3.2. Accommodation
• ISLE 3.3. Presbyopia
• ISLE 3.4. Letters and the Fovea
• ISLE 3.5. Map Your Blind Spot
• ISLE 3.6. Photopic vs Scotopic Vision
• ISLE 3.7. Purkinje Shift
• ISLE 3.8. Convergence
• ISLE 3.9. Dark Adaptation Function
  • ISLE 3.9 (a). Illustrating Dark Adaptation
• ISLE 3.10. Automatic Light Adjustment in Cockpits
• ISLE 3.11. Center Surround Receptive Fields
  • ISLE 3.11 (a). Simulating Kuffler's Experiment
  • ISLE 3.11 (b). Center-Surround Receptive Fields as Contrast Detectors
• ISLE 3.12. Mach Bands
• ISLE 3.13. Correcting Myopia and Hyperopia