Table 2.

Schedule of Baseline and Follow-up Testing

	Visit
	Qualification/Baseline	Visual Field 2nd Baseline	Follow-up Annual
Screening interview	X
Informed consent	X
Clinical examination and medical history
Blood pressure	X		X
Medical history	X		X
Ocular examination
Axial length, color vision, pachymetry, keratometry, gonioscopya	X
Acuity, refraction,	X	X	X
Corneal viscoelasticity	X	X	X
Undilated and dilated ocular examination including slitlamp and direct and indirect ophthalmoscopy	X		X
Goldmann applanation tonometry	X		X
Lens opacity classification system	X		X
Simultaneous stereophotographs	X		X
Imaging
Scanning laser polarimetry	X		X
Retina tomographyb	X		X
Optical coherence tomographyc	X		X
Visual field testing
Standard automated perimetry	X	X	X
Short-wavelength automated perimetry	X	X	X
Frequency doubling technology perimetry	X	X	X

^aOnly done on the qualification visit, unless the participant had ocular surgery during the study.

^bHeidelberg Retina Tomograph (Heidelberg Engineering, Heidelberg, Germany).

^cStratus OCT (Carl Zeiss Meditec, Dublin, California).