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September 1980

Stereochronoscopy of the Optic Disc With Stereoscopic Cameras

Author Affiliations

From the Department of Ophthalmology, St Mary's Hospital, McGill University, Montreal (Dr Schirmer), and the National Research Council, Department of Photogrammetry, Ottawa (Dr Kratky).

Arch Ophthalmol. 1980;98(9):1647-1649. doi:10.1001/archopht.1980.01020040499024

• Goldmann's chronoscopy, a form of time-based photogrammetry of the optic disc, can be accomplished by repeated simultaneous stereophotography. The variations in centration and image orientation are nulled by azimuthal rotation and fusion of two pairs of stereophotographs taken at separate times.

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