Image adjustment derived from optical imaging measurement data

A method of deriving a component corresponding to eye position from measurement data collected using an optical imaging device comprising:

• (a) collecting a plurality of B-scans imaging a structural feature;
• (b) identifying a first point corresponding to an extrema of the feature in a first B-scan;
• (c) identifying a second point corresponding to an extrema of the feature in a second B-scan;
• (d) computing a first perpendicular to the first B-scan through the first point;
• (e) computing a second perpendicular to the second B-scan through the second point;
• and
• (f) determining the intersection of the first and second perpendiculars in a projection plane to derive a component corresponding to eye position.

A method of registering biometric map data of the eye using an optical coherence tomography imaging device comprising:

• (a) collecting measurement data along a plurality of scan lines imaging a structural feature;
• (b) analyzing the measurement data to determine a location associated with the structural feature, said location corresponding to one of a vertex, a projection of the vertex and geometrical equivalents thereof;
• and
• (c) registering the biometric map data for the plurality of scan lines as a function of the determined location.

An optical coherence apparatus for biometric imaging comprised of:

• (a) a light source for illuminating at least one feature within a sample;
• (b) a sample optical beam reflected from the sample;
• (c) a reference optical beam;
• (d) an interferometer for combining the sample optical beam with the reference optical beam;
• (e) a detector to detect measurement data from the combined beams;
• (f) a processor for analyzing the measurement data to determine a location associated with a structural feature within the eye, said location corresponding to one of a vertex, a projection of the vertex and geometrical equivalents thereof;
• and
• (g) a display for displaying an image spatially adjusted as a function of the determined location.