Angle kappa
by Amar Agarwal

Video Atlas of Ophthalmic Surgery

by Ashok Garg
About Video

Angle Kappa is the angle between the visual axis and the pupillary axis. It is clinically important to the refractive surgeon as patients specially hyperopes have a large angle Kappa and is the center of the pupil is thus no longer the point through which a fovea center ray light passes. The fovea center ray may hit on the edge of the ring causing edge glare effects and deterioration in quality of the vision. Angle Kappa can be measured with the synoptophore or using the Orbscan-II. Author have

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