Wong 2008.

Methods	RCT, cross‐over design
Participants	Inclusion criteria: not reported Exclusion criteria: not reported
Interventions	Balafilcon A material: silicone hydrogel replacement frequency: daily Omafilcon A material: hydrogel replacement frequency: daily
Outcomes	Primary outcomes: Patient‐reported responses for 8 domains: comfort at insertion, end‐of‐day comfort, dryness, driving, ghosting, distance vision, overall vision, and overall satisfaction (0‐to‐100 scale) Visual performance assessments: high and low contrast logMAR VA in high and low illumination at distance, intermediate, and near; reading speed, and range of clear vision Secondary outcomes: not specified
Notes	Sponsorship source: "Supported by a grant from CopperVision." Author's name: Jennifer Wong Institution: co‐author affiliations with Ohio State University, College of Optometry Comments: conference abstract; whether the analysis accounted for cross‐over design was unclear

BCVA: best‐corrected visual acuity
CLDEQ‐8: Contact Lens Dry Eye Questionnaire‐8 
D: diopters
DC: diopters cylinder
DS: diopters sphere
logMAR: Logarithm of the Minimum Angle of Resolution
NEI: National Eye Institute
OSDI: Ocular Surface Disease Index
RCT: randomized controlled trial
SCL: soft contact lens(es)
VA: visual acuity
VAS: visual analog scale