Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
This study will evaluate changes in visual performance at different pupil sizes between a single vision soft contact lens and multifocal soft contact lens, and compare refractive error measured between these two lenses with an autorefractor and an aberrometer
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Single vision contact lens | Other | Subjects will wear a single vision soft contact lens during the study visit |
|
| Multifocal contact lens | Other | Subjects will wear a multifocal soft contact lens during the study visit |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Single vision contact lens | Device | Subjects will wear a single vision soft contact lens only during the study visit |
|
| Measure | Description | Time Frame |
|---|---|---|
| Visual performance | Low contrast visual performance will be measured at different pupil sizes for each subject while wearing each of the two lenses | Through completion of study visit, an average of 3 hours |
| Measure | Description | Time Frame |
|---|---|---|
| Refractive error | Refractive error will be measured with an autorefractor and an aberrometer with subjects wearing each of the two lenses | Through completion of study visit, an average of 3 hours |
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Affiliation | Role |
|---|---|---|
| David A Berntsen, OD, PhD | University of Houston College of Optometry | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Houston | Houston | Texas | 77204 | United States |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Nov 28, 2023 | Dec 19, 2023 | 3 | ||
| Feb 2, 2024 |
| ID | Term |
|---|---|
| D009216 | Myopia |
| ID | Term |
|---|---|
| D012030 | Refractive Errors |
| D005128 | Eye Diseases |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Multifocal contact lens | Device | Subjects will wear a multifocal soft contact lens only during the study visit |
|
|
| Feb 5, 2024 |
| 4 |