Spectral domain OCT can be utilized for pupillometry

OCT is a noninvasive, noncontact imaging system providing real-time, high-resolution, cross-sectional images using near infrared light interferometry.
Pupil assessment can be performed using OCT to assess pupil size, amplitude of constriction and relative afferent defect. Both time domain and Fourier domain OCT can be utilized for this purpose. However, many physicians do not use it due to limitations in measurement details and analysis. In this column, we would like to share our experience in pupil assessment using OCT.
The system we used for analysis was the Cirrus 5000 spectral domain OCT