About this trial
The main objective of this post market clinical study is to evaluate the effectiveness and safety of the Paragon CRT®100 Contact Lens.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Patient contact lens refraction should fit within the available parameters of the study lenses (spherical power within -4.00D and the cylinder power within 1.50D).
Is willing to comply with the wear and visit schedule.
Is willing to participate and signed the informed consent form.
Disqualifiers
Age under 8 years old
Any ocular abnormalities, undergone corneal surgery, or history of ocular trauma, active corneal infections (corneal inflammation), corneal curvature less than 40.00D or more than 46.00D
Best corrected visual acuity less than 1.0D
Pregnant, lactating or near-pregnancy
Trial design
Single group
Treatments tested in this trial
Paragon CRT®100 Contact Lens
DeviceParagon CRT® 100 Contact Lenses for Corneal Refractive Therapy are indicated for use in the reduction of myopic refractive error in nondiseased eyes.
Treatment groups
Trial outcomes
Primary outcomes
product effectiveness
Effectiveness=number of eyes with both uncorrected visual acuity and dioptric power meet the "effective" standards/total number of eyes evaluated\*100%
uncorrected visual acuity
Use standard LogMAR chart to measure the distant uncorrected visual acuity. Use 5.0 system to record LogMAR visual acuity
uncorrected visual acuity
Use standard LogMAR chart to measure the distant uncorrected visual acuity. Use 5.0 system to record LogMAR visual acuity
uncorrected visual acuity
Use standard LogMAR chart to measure the distant uncorrected visual acuity. Use 5.0 system to record LogMAR visual acuity
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
CooperVision International Limited (CVIL)
Lead sponsor
TigerMed
Collaborator