Angle Kappa-Angle Alpha- Angle Lambda of the eye

Picture showing the angle kappa, angle alpha and angle lambda of the eye. Such angles are imaginary and cannot be directly measured in the eye. Angle kappa however can be measured by a synoptophore which most practices will not have. The picture above provides and understanding of these angles and provides some context to it;www.quickguide.org

A summary of what is meant by angle kappa, angle alpha, chord mu and other commonly used terminologies in eye ; quickguide.org