|Articles|July 15, 2007

Offset system yields new approach to alignment control

A new offset system (Torsion Error Detection, Nidek) for alignment control measures the distance between the line of sight and the visual axis as well as the difference between photopic and mesopic fixation images. The amount of translation needed to match these images can be an indicator of poor fixation. The offset system allows detection and definition of line of sight and visual axis positions.

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Offset system yields new approach to alignment control

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