Visual angle

• Functional magnetic resonance imaging
• Visual acuity
• Visual angle illusion
• angular diameter
• angular size
• chief ray
• degrees of arc
• entrance pupil
• experimental psychology
• isomorphic
• nodal point
• primary visual cortex
• psychophysics
• real image
• retina
• retinotopy
• theodolite
• visual angle illusion
• visual cortex
• visual system