Table 1.

Enrolment procedures for the Descemet Endothelial Thickness Comparison Trial

Procedures	Screening pre-enrolment	Enrolment/baseline, visit 1 day 0	Procedure, visit 2 day 5 (±14 days)	Follow-up, visit 3 month 3 (±1 month)	Follow-up, visit 4 month 6 (±1 month)	Follow-up, visit 5 month 12 (±2 months)	Final follow-up, visit 6 month 24 (±4 months)
Review inclusion/exclusion criteria	X
Informed consent		X
Demographics		X
Medical history		X
Randomisation			X*
Administer study intervention			X
Slit lamp examination		X		X	X	X	X
Intraocular pressure		X		X	X	X	X
Pachymetry		X		X	X	X	X
Pentacam topography and densitometry		X		X	X	X	X
Endothelial imaging	X	X		X	X	X	X
Clinical photography†		X			X
BSCVA/ETDRS/MRx		X		X	X	X	X
Baseline form		X
Follow-up form				X	X	X	X
Final form							X‡
Visual function questionnaire		X		X		X
Cost-effectiveness form							X
Interval history				X	X	X	X

*Randomisation performed approximately 1 week prior to surgery.

†Clinical photography also taken on adverse event.

‡If participant does not complete the study, final form will be filled out at time of withdrawal or loss to follow-up.

BSCVA, best spectacle-corrected visual acuity; ETDRS, Early Treatment Diabetic Retinopathy Study; MRx, manifest refraction.