Table 1 Schedule of enrolment, intervention, assessment

From: Transpalpebral electrical stimulation for the treatment of retinitis pigmentosa: study protocol for a series of N-of-1 single-blind, randomized controlled trial

Item	Screening	Observation period
Item	Screening	Cycle 1		Cycle 2		Cycle 3		Closeout
Time point	Enrollment	Weeks 1–8	Weeks 9–16	Weeks 17–24	Weeks 25–32	Weeks 33–40	Weeks 41–48
Demographic data	√
Medical history	√
Informed consent form	√
BCVA	√	√	√	√	√	√	√
VF	√	√	√	√	√	√	√
OCT	√	√	√	√	√	√	√
FAF	√	√	√	√	√	√	√
ERG	√	√	√	√	√	√	√
NEI VFQ-25	√	√	√	√	√	√	√
Adverse event		√	√	√	√	√	√

√ Items that must be performed
BCVA Best corrected visual acuity, VF Visual field, OCT Optical coherence tomography, FAF Fundus autofluorescence, ERG Electroretinogram, NEI VFQ-25 25-Item National Eye Institute Visual Function questionnaire

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ISSN: 1745-6215

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