However, also birefringent properties of the cornea and the retinal nerve fiber layer are sources of<unk> . Corneal<unk>  varies widely from one individual to another, as well as from one location to another for the same individual, thus can confound measurements.
Retinal birefringence scanning
Retinal vessel analysis
Scanning laser ophthalmoscopy
Doppler optical coherence tomography
Microperimetry
Corneal pachymetry
Scanning laser polarimetry
Eye testing using speckle