| 1. | The size of the monocular scotoma is 5? degrees of visual angle.
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| 2. | It covers about 2 degrees of visual angle in people.
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| 3. | This finding has implications for spatial illusions such as the visual angle illusion.
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| 4. | For a mathematical calculation of image size versus distance, see Visual angle.
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| 5. | Normally, peak contrast sensitivity is at about 4 cycles per degree of visual angle.
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| 6. | What matters is the visual angle V which determines the size of the retinal image.
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| 7. | The line of sight should always bisect the observer�s visual angle in order to minimize distortion.
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| 8. | Describing the few existing explanations for visual angle illusions is beyond the scope of this present entry.
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| 9. | It is defined as the number of degrees of visual angle during stable fixation of the eyes .
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| 10. | Thus, complex stimuli could be processed as wholes so long as they occupied a small visual angle.
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