Study	Reason for exclusion
ACTRN12610000639022	Ineligible study design: only silicone hydrogel
ACTRN12618000039280	Ineligible intervention: prototype lens
Arroyo‐Del Arroyo 2021	Ineligible study design: both comparison groups had exposure to hydrogel and silicone hydrogel
Bergenske 2005a	Ineligible study design: analysis did not account for the cross‐over design
Bishop 2022	Ineligible study design: secondary data analysis
Brennan 2002	Ineligible study design: same lens material, comparing replacement schedules
Bucci 1997	Ineligible study design: only hydrogel
Carpena‐Torres 2021	Ineligible study design: intervention duration less than 1 week
Cheung 2007	Ineligible study design: analysis did not account for the paired‐eye design
Cho 2000	Ineligible population: ages 17 to 35 years old
Comstock 2001	Ineligible study design: analysis did not account for the paired‐eye design
CTRI/2015/04/005701	Ineligible intervention: prototype lens
Dalcoll 2008	Ineligible study design: only hydrogel
Davies 2006	Ineligible study design: only silicone hydrogel
Dumbleton 1998	Ineligible study design: comparing lens materials and lens replacement schedules
Dávila 2012	Ineligible study design: no randomization
Fahmy 2017	Ineligible population: ages 10 to 60 years old
Gan 2012	Ineligible study design: only hydrogel
Garaszczuk 2020	Ineligible study design: observational study
Ghorbani‐Mojarrad 2022	Ineligible study design: only hydrogel
Guillon 2000	Ineligible study design: intervention duration less than 1 week
Guthrie 2022	Ineligible study population: under 18 years old
He 2013	Ineligible study design: only hydrogel
Insua Pereira 2018	Ineligible study design: analysis did not account for the paired‐eye design
ISRCTN14364515	Ineligible intervention: prototype lens
ISRCTN62897847	Ineligible intervention: prototype lens
Jones 2000	Ineligible study design: only hydrogel
jRCT1032200350	Ineligible study design: observational study
Labuz 2017	Ineligible study design: intervention duration less than 1 week
Lira 2006	Ineligible study design: comparing lens materials and lens replacement schedules
Maldonado‐Codina 2004	Ineligible study design: observational study
Malet 2003	Ineligible study design: cross‐over trial with varying durations between interventions and between periods
Martin 2007	Ineligible study design: analysis did not account for the cross‐over design
Maïssa 2012	Ineligible study design: only silicone hydrogel, comparing lens materials and edge design
McNally 2002	Ineligible study design: comparing lens materials and durations of wear
Michaud 2016	Ineligible study design: analysis did not account for the cross‐over design
Miller 2021	Ineligible study design: analysis did not account for the cross‐over design
Mousavi 2021	Ineligible study design: no randomization
Navascues‐Cornago 2022	Ineligible study design: intervention duration less than 1 week
NCT00584220	Ineligible study design: analysis did not account for the cross‐over design
NCT00597467	Ineligible study design: only silicone hydrogel
NCT00912028	Ineligible study design: analysis did not account for the non‐independence of the data from the same person
NCT00985231	Ineligible study design: comparing same lens material but different design (single versus multi‐focal)
NCT01634659	Ineligible study design: only silicone hydrogel
NCT02055404	Ineligible study design: intervention duration less than 1 week
NCT02410824	Ineligible study population: includes ages 17 years and up
NCT02801006	Ineligible study design: analysis did not account for the cross‐over design
NCT03006458	Ineligible study design: analysis did not account for the cross‐over design
NCT03969290	Ineligible study design: intervention duration less than 1 week
NCT04067141	Ineligible study design: analysis did not account for the cross‐over design
NCT04310566	Ineligible study design: only silicone hydrogel
NCT04585646	Ineligible study design: only silicone hydrogel
NCT04615507	Ineligible study design: only silicone hydrogel
NCT04968925	Ineligible study design: only silicone hydrogel
Ozkan 2018	Ineligible study design: comparing lens materials and lens design (single vision vs multifocal)
Sha 2018	Ineligible study design: only hydrogel
Spyridon 2012	Ineligible study design: varied comparator (undefined habitual lens)
Subbaraman 2021a	Ineligible intervention: prototype lens
Subbaraman 2021b	Ineligible intervention: prototype lens
Sulley 2011	Ineligible population: ages 16 to 60 years old
Szczotka‐Flynn 2018	Ineligible study design: analysis did not account for the cross‐over design