Trainer New!: Afterimage

A: The acute effect (seeing weird colors) lasts seconds. The long-term neural adaptation (better visual memory) lasts about 48 hours and requires daily practice to maintain.

She thought of the car accident. The flash of headlights, the shriek of twisting metal. But the system didn't wait. A different image surfaced—unbidden. A door. The door to her father’s study. It was slightly ajar, and from within came the smell of whiskey and old paper. afterimage trainer

The results of the pilot study showed significant improvements in visual acuity and contrast sensitivity in the afterimage training group, compared to the control group. Additionally, participants in the training group reported reduced visual fatigue and improved visual comfort. A: The acute effect (seeing weird colors) lasts seconds

A: You are likely micro-saccading (your eyes are jumping without your permission). Focus on a single letter in the center of the image. Blink slower. If you still don't see it, increase the brightness of your monitor. The flash of headlights, the shriek of twisting metal