Which function was fundamentally enabled by Al-Haytham's advancements in understanding human visual perception in the 11th century?

💡 Explanation

Al-Haytham's work explained how the eye receives light and forms images, describing visual perception relying on light and form. This understanding enabled a shift toward a realistic representation, leading to more accurate camera obscura designs. Therefore, camera obscura realism was advanced, rather than sundial accuracy, navigation, or glassblowing refinement which depended on different principles.

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