• Values
• Angles
• Sums

• Eyes
• Left
• Right
• Combine

• Background
• Fovea
• Rings
• Degrees

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

User note: BSB2, HTC Vive soft strap + Bigscreen top strap with 3D printed soft strap mode in halo configuration; left lens 64mm, right lens 65mm

References: Read about the human peripheral vision on Wikipedia.