• Values
• Angles
• Sums

• Eyes
• Left
• Right
• Combine

• Background
• Fovea
• Rings
• Degrees

• Coverage
• 110° 120° 130° 140° 150° 160° 170° 180°

User note: BSB2, Thin cushion, 64mm (hardware & software); same result with 64mm hardware & 65mm software; same result with 62mm hardware & 65mm software

References: Read about the human peripheral vision on Wikipedia.