RETINAL NERVE FIBRE LAYER PHOTOGRAPHY WITH A WIDE ANGLE FUNDUS CAMERA

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Abstract
Retinal nerve fibre layer (RNFL) photographs taken with a wide‐angle fundus camera (Canon CF‐60Z) and its built‐in blue interference filter (SE‐40) of 495 nm wavelength were compared with pictures taken with the same camera and a red‐free absorption filter (Wratten No. 58) as well as with photographs taken with a 30° fundus camera and Wratten No. 58 filter. Comparison showed that the best visualisation of the RNFL and its defects was achieved with the 60° picture angle of the Canon camera and SE‐40 filter. With a smaller picture angle (30°) and a filter of longer wavelength quality of reproduction deteriorated.

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