University of Waterloo
Waterloo, Ontario, N2L 3G1, Canada
NCT Number: NCT03519932
The objective of this study is to evaluate the subjective acceptance of comfilcon A toric contact lens, compared to samfilcon A toric lens.
Looking for future studies?
Notify Me17 year and older
All sexes
Interventional
Not applicable
Waterloo, Ontario, N2L 3G1, Canada
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Contact lens
Other names: Biofinity toric, test lens
Contact lens
Other names: Ultra for Astigmatism, control lens
Time frame: Dispense
Subjective ratings of comfort for each pair of lenses (scale: 0-10; 0=painful,10=can't feel lens)
Time frame: 2 weeks
Subjective ratings of comfort for each pair of lenses (scale: 0-10; 0=painful,10=can't feel lens)
Time frame: 1-month
Subjective ratings of comfort for each pair of lenses (scale: 0-10; 0=painful,10=can't feel lens)
Time frame: 1 month
Lens preference with respect to comfort (Prefer pair-1 strongly, Prefer pair-1 slightly, Prefer pair-2 strongly, prefer pair-2 slightly, No preference)
Time frame: 1 month
Lens preference with respect to dryness (Prefer pair-1 strongly, Prefer pair-1 slightly, Prefer pair-2 strongly, prefer pair-2 slightly, No preference)
Time frame: 2 weeks
Subjective ratings of dryness for each pair of lenses (scale: 0-10; 0=Extremely dry, 10=No dryness)
Time frame: 1-month
Subjective ratings of dryness for each pair of lenses (scale: 0-10; 0=Extremely dry, 10=No dryness)
Time frame: Dispense
Subjective rating of ease of inserting the lens onto the eye (scale 0-10; 0=very difficult, 10=very easy)
Time frame: 2-weeks
Subjective rating of ease of inserting the lens onto the eye (scale 0-10; 0=very difficult, 10=very easy)
Time frame: 1-month
Subjective rating of ease of inserting the lens onto the eye (scale 0-10; 0=very difficult, 10=very easy)
Time frame: 2-weeks
Subjective rating of ease of removing the lens from the eye (scale 0-10; 0=very difficult, 10=very easy)
Time frame: 1 month
Subjective rating of ease of removing the lens from the eye (scale 0-10; 0=very difficult, 10=very easy)
CooperVision, Inc.
Industry
A Bilateral Dispensing Comparison of Biofinity Toric and Ultra for Astigmatism
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
Published trials that share one or more normalized conditions with this study.
NCT06775509
Astigmatism, Eye Diseases
Tarragona, Spain
View Trial DetailsNCT06784063
Astigmatism, Cataract
Bloomfield Hills, Michigan, United States
View Trial DetailsNCT06749496
Astigmatism, Eye Diseases
Jacksonville, Florida, United States
View Trial DetailsNCT06967129
Astigmatism, Eye Diseases
Mission Viejo, California, United States
View Trial Details