visualFields (version 0.6.2)

psi2oct: Angle of incidence in the OCT scan corresponding to angle of incidence in optic nerve head

Description

Obtains the angle of incidence in the circular oct scan from the average path that starts at an angle psi from the optic nerve head.

Usage

psi2oct( psi, diam = 12 )

Arguments

psi

Angle of incidence of the average bundle path on the optic nerve head

diam

Diameter of the scan. Default value is 12 in visual angle, which is the common diameter used in this types of OCT scans

Value

The angle of incidence in the circular oct scan

Details

The operation psi2oct( gloc2psi ) maps vf locations with RNFL angles so that the thickness that corresponds to each vf location can be estimated. This can be used in conjuction with vf2gcloc to correct for ganglion cell body displacement from vf location

Examples

# NOT RUN {
  psi2oct( 90 + 45 )
# }