Clinical Evaluation of Hydrogels vs Silicone Hydrogel Contact Lenses
1 other identifier
interventional
20
1 country
1
Brief Summary
The aim of this fitting study is to evaluate the clinical performance of different hydrogel and silicone hydrogel contact lenses.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Oct 2013
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2013
CompletedFirst Submitted
Initial submission to the registry
October 15, 2013
CompletedFirst Posted
Study publicly available on registry
October 22, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2013
CompletedResults Posted
Study results publicly available
February 27, 2015
CompletedJuly 30, 2020
July 1, 2020
1 month
October 15, 2013
January 14, 2015
July 19, 2020
Conditions
Outcome Measures
Primary Outcomes (35)
Visual Acuity (VA) logMAR (Habitual Lenses)
Assessment of high contrast distance visual acuity (VA). Collected at baseline with subject wearing habitual lens prior to dispense of study lens. (logMAR)
Baseline
Visual Acuity (VA) logMAR (Study Lenses)
Assessment of high contrast distance visual acuity (VA). Collected at dispense of study lens. (logMAR)
Dispense
Comfort Contact Lens Insertion (Day 1 Study Lenses)
Participant rating of comfort upon contact lens insertion. Collected after insertion at Day 1 for each lens . (0-100, 0=cannot be worn causes pain, 100=cannot be felt ever)
Day 1 - Insertion
Comfort Contact Lens 30 Minutes Wear (Day 1 Study Lenses)
Participant rating of comfort after contact lens settling. Collected at 30 minutes wear for each lens. (0-100, 0=cannot be worn causes pain, 100=cannot be felt ever)
Day 1 - 30 minutes
Comfort Contact Lens Insertion (Day 2 Study Lenses)
Participant rating of comfort upon contact lens insertion. Collected after insertion at Day 2 for each lens . (0-100, 0=cannot be worn causes pain, 100=cannot be felt ever
Day 2 - Insertion
Comfort Contact Lens 30 Minutes Wear (Day 2 Study Lenses)
Participant rating of comfort upon contact lens insertion. Collected after 30 minutes of wear at Day 2 for each lens . (0-100, 0=cannot be be worn causes pain, 100=cannot be felt ever
Day 2 - 30 minutes
Comfort Preference Contact Lens Insertion (Day 1 Study Lenses - Pair 1)
Participant rating of comfort preference upon contact lens insertion of pair 1. Collected at insertion for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 1 - Insertion
Comfort Preference Contact Lens Insertion (Day 1 Study Lenses - Pair 2)
Participant rating of comfort preference upon contact lens insertion of pair 2. Collected at insertion for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 1 Insertion
Comfort Preference Contact Lens Insertion (Day 1 Study Lenses - Pair 3)
Participant rating of comfort preference upon contact lens insertion of pair 3. Collected at insertion for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 1 - Insertion
Comfort Preference Contact Lens 30 Minutes Wear (Day 1 Study Lenses - Pair 1)
Participant rating of comfort preference upon contact lens settling of pair 1. Collected at 30 minutes post settling for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 1 - 30 minutes
Comfort Preference Contact Lens 30 Minutes Wear (Day 1 Study Lenses - Pair 2)
Participant rating of comfort preference upon contact lens settling of pair 2. Collected at 30 minutes post settling for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 1 - 30 minutes
Comfort Preference Contact Lens 30 Minutes Wear (Day 1 Study Lenses - Pair 3)
Participant rating of comfort preference upon contact lens settling of pair 3. Collected at 30 minutes post settling for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 1 - 30 minutes
Comfort Preference Contact Lens Insertion (Day 2 Study Lenses - Pair 1)
Participant rating of comfort preference upon contact lens insertion of pair 1. Collected at insertion for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 2 - Insertion
Comfort Preference Contact Lens Insertion (Day 2 Study Lenses - Pair 2)
Participant rating of comfort preference upon contact lens insertion of pair 2. Collected at insertion for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 2 - Insertion
Comfort Preference Contact Lens Insertion (Day 2 Study Lenses - Pair 3)
Participant rating of comfort preference upon contact lens insertion of pair 3. Collected at insertion for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 2 - Insertion
Comfort Preference Contact Lens 30 Minutes Wear (Day 2 Study Lenses - Pair 1)
Participant rating of comfort preference upon contact lens settling of pair 1. Collected at 30 minutes post settling for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly Prefer Left, No Preference, Slightly Prefer Right, Strongly Prefer Right)
Day 2 - 30 minutes
Comfort Preference Contact Lens 30 Minutes Wear (Day 2 Study Lenses - Pair 2)
Participant rating of comfort preference upon contact lens settling of pair 2. Collected at 30 minutes post settling for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly prefer Left, No Preference, Slightly prefer Right, Strongly prefer Right)
Day 2 - 30 minutes
Comfort Preference Contact Lens 30 Minutes Wear (Day 2 Study Lenses - Pair 3)
Participant rating of comfort preference upon contact lens settling of pair 3. Collected at 30 minutes post settling for each lens. Percent of participants that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strongly Prefer Left, Slightly prefer Left, No Preference, Slightly prefer Right, Strongly prefer Right)
Day 2 - 30 minutes
Lens Fitting Characteristics, Centration (Habitual Lens)
Assessment of habitual lens fitting characteristics for the percentage of lenses with optimal centration. Collected at baseline with subject wearing habitual lens prior to dispense of study lens. (Optimal Centration for Right and Left eyes; Optimum, Decentration Acceptable, Decentration unacceptable)
Baseline
Lens Fitting Characteristics, Tightness (Habitual Lens)
Assessment of habitual lens fitting characteristics. Collected at baseline with subject wearing habitual lens prior to dispense of study lens. Digital push up test. (Continuous scale 0-100%, 0%=falls from cornea without lid support, 50%=optimum, 100%=no movement)
Baseline
Lens Fitting Characteristics, Upgaze Lag and Post-blink Movement (Habitual Lens)
Assessment of habitual lens fitting characteristics. Collected at baseline with subject wearing habitual lens prior to dispense of study lens.(Upgaze Lag and Post-blink Movement in mm)
Baseline
Lens Fitting Characteristics, Centration (Day 1 Study Lenses)
Assessment of lens fitting characteristics for the percentage of lenses with optimal centration. Collected at 30 minutes after lens settling of study lens. (Optimal Centration for Right and Left eyes; Optimum, Decentration Acceptable, Decentration unacceptable)
Day 1 - 30 minutes
Lens Fitting Characteristics, Push-up Tightness (Day 1 Study Lenses)
Assessment of lens fitting characteristics. Collected at 30 minutes after lens settling of study lens. Digital push up test. (Continuous scale 0-100%, 0%=falls from cornea without lid support, 50%=optimum, 100%=no movement)
Day 1 - 30 minutes
Lens Fitting Characteristics, Upper Gaze Lag and Post-blink Movement (Day 1 - Study Lenses)
Assessment of lens fitting characteristics. Collected at 30 minutes after lens settling of study lens. (Upgaze Lag and Post-blink Movement in mm)
Day 1 - 30 minutes
Lens Fitting Characteristics, Centration (Day 2 Study Lenses)
Assessment of lens fitting characteristics for the percentage of lenses with optimal centration. Collected at 30 minutes after lens settling of study lens. (Optimal Centration for Right and Left eyes; Optimum, Decentration Acceptable, Decentration unacceptable)
Day 2 - 30 minutes
Lens Fitting Characteristics, Push-up Tightness (Day 2 Study Lenses)
Assessment of lens fitting characteristics. Collected at 30 minutes after lens settling of study lens. Digital push up test. (Continuous scale 0-100%, 0%=falls from cornea without lid support, 50%=optimum, 100%=no movement)
Day 2 - 30 minutes
Lens Fitting Characteristics, Upper Gaze Lag and Post-blink Movement (Day 2 Study Lenses)
Assessment of lens fitting characteristics. Collected at 30 minutes after lens settling of study lens.(Upgaze Lag and Post-blink Movement in mm)
Day 2 - 30 minutes
Investigator Fit Preference Contact Lens 30 Minutes Wear (Day 1 Study Lenses - Pair 1)
Investigator rating of fit preference upon contact lens settling of pair 1. Collected at 30 minutes post settling for each lens. Percent of investigators that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strong R, Slight R, No Pref, Slight L, Strong L)
Day 1- 30 minutes
Investigator Fit Preference Contact Lens 30 Minutes Wear (Day 1 Study Lenses - Pair 2)
Investigator rating of fit preference upon contact lens settling of pair 2. Collected at 30 minutes post settling for each lens. Percent of investigators that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strong R, Slight R, No Pref, Slight L, Strong L)
Day 1- 30 minutes
Investigator Fit Preference Contact Lens 30 Minutes Wear (Day 1 Study Lenses - Pair 3)
Investigator rating of fit preference upon contact lens settling of pair 3. Collected at 30 minutes post settling for each lens. Percent of investigators that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strong R, Slight R, No Pref, Slight L, Strong L)
Day 1 - 30 minutes
Investigator Fit Preference Contact Lens 30 Minutes Wear (Day 2 Study Lenses - Pair 1)
Investigator rating of fit preference upon contact lens settling of pair 1. Collected at 30 minutes post settling for each lens. Percent of investigators that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strong R, Slight R, No Pref, Slight L, Strong L)
Day 2 - Insertion
Investigator Fit Preference Contact Lens 30 Minutes Wear (Day 2 Study Lenses - Pair 2)
Investigator rating of fit preference upon contact lens settling of pair 2. Collected at 30 minutes post settling for each lens. Percent of investigators that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strong R, Slight R, No Pref, Slight L, Strong L)
Day 2 - Insertion
Investigator Preference Contact Lens 30 Minutes Wear (Day 2 Study Lenses - Pair 3)
Investigator rating of fit preference upon contact lens settling of pair 3. Collected at 30 minutes post settling for each lens. Percent of investigators that strongly prefer lens or have No Preference. (forced choice preference for right or left eye; Strong R, Slight R, No Pref, Slight L, Strong L)
Day 2 - Insertion
Overall Ease of Lens Handling (Day 1 Study Lenses)
Participant rating of overall lens handling regarding insertion and removal. Collected at post-removal for each lens on Day 1. (0-100, 0=very difficult, 100=very easy
Day 1 - After Removal
Overall Ease of Lens Handling (Day 2 Study Lenses)
Participant rating of overall lens handling regarding insertion and removal. Collected at post-removal for each lens on Day 2. (0-100, 0=very difficult, 100=very easy
Day 2 - After Removal
Study Arms (6)
Pair 1 (ocufilcon D / ocufilcon D)
ACTIVE COMPARATORRandomized to contra lateral lens pair 1 (ocufilcon D hydrogel / ocufilcon D hydrogel)
Pair 2 (ocufilcon D / enfilcon A)
ACTIVE COMPARATORRandomized to contra lateral lens pair 2 (ocufilcon D hydrogel / enfilcon A silicone)
Pair 3 (ocufilcon D / comfilcon A)
ACTIVE COMPARATORRandomized to contra lateral lens pair 3 (ocufilcon D hydrogel / comfilcon A silicone)
Pair 4 (methafilcon A / methafilcon A)
ACTIVE COMPARATORRandomized to contra lateral lens pair 4 (methafilcon A hydrogel sphere / methafilcon A hydrogel asphere)
Pair 5 (methafilcon A / comfilcon A)
ACTIVE COMPARATORRandomized to contra lateral lens pair 5 (methafilcon A hydrogel / comfilcon A silicone)
Pair 6 (omafilcon A / comfilcon A)
ACTIVE COMPARATORRandomized to contra lateral lens pair 6 (omafilcon A hydrogel / comfilcon A silicone)
Interventions
Randomized to contra lateral lens pair 1 (ocufilcon D hydrogel / ocufilcon D hydrogel)
Randomized to contra lateral lens pair 2 (ocufilcon D hydrogel / enfilcon A silicone)
Randomized to contra lateral lens pair 3 (ocufilcon D hydrogel / comfilcon A silicone)
Randomized to contra lateral lens pair 4 (methafilcon A hydrogel sphere / methafilcon A hydrogel asphere)
Randomized to contra lateral lens pair 5 (methafilcon A hydrogel / comfilcon A silicone)
Randomized to contra lateral lens pair 6 (omafilcon A hydrogel / comfilcon A silicone)
Eligibility Criteria
You may qualify if:
- Is between 18 and 40 years of age (inclusive)
- Has had a self-reported visual exam in the last two years
- Is an adapted soft contact lens wearer
- Has a cl spherical prescription between -1.00 and -6.00 (inclusive)
- Has a spectacle cylinder up to 0.75D (diopter) in each eye
- Is correctable to a visual acuity of 20/25 or better in both eyes
- Has clear corneas and no active ocular disease
- Has read, understood and signed the information consent letter
- Is willing to comply with the wear schedule
- Is willing to comply with the visit schedule
You may not qualify if:
- A person will be excluded from the study if he/she:
- Has never worn contact lenses before
- Currently wears rigid gas permeable contact lenses
- Has a history of not achieving comfortable contact lens wear (5 days per week; \> 8 hours/day)
- Has a contact lens prescription outside the range of -1.00 to -6.00D
- Has a spectacle cylinder ≥ 1.00D of cylinder in either eye
- Has best corrected spectacle distance vision worse than 20/25 in either eye
- Has any systemic or topical medications that will affect ocular health
- Has any ocular pathology or severe insufficiency of lacrimal secretion
- Has persistent, clinically significant corneal or conjunctival staining
- Has active neovascularization or any central corneal scars
- Is aphakic
- Is presbyopic
- Has undergone corneal refractive surgery
- Is participating in any other type of eye related conical or research study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of California, Berkeley Clinical Research Center (UCB-CRC)
Berkeley, California, 94720-2020, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Meng C. Lin O.D., PhD, FAAO
- Organization
- Clinical Research Center-UC berkely
Study Officials
- PRINCIPAL INVESTIGATOR
Meng Lin, OD PhD FAAO
CRC-UC Berkeley
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 15, 2013
First Posted
October 22, 2013
Study Start
October 1, 2013
Primary Completion
November 1, 2013
Study Completion
November 1, 2013
Last Updated
July 30, 2020
Results First Posted
February 27, 2015
Record last verified: 2020-07