Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 9:39 PM
Ignite Modification Date:
2025-12-24 @ 9:39 PM
NCT ID:
NCT04437732
Eligibility Criteria:
Inclusion Criteria:
1. The subject must provide written informed consent.
2. The subject must appear willing and able to adhere to the instructions set forth in this protocol.
3. At least 40 years of age and no more than 70 years of age.
4. ≤ 4.00 D of corneal astigmatism.
5. ≤ 4.00 D of refractive astigmatism.
6. Refractive error range +20.00 DS to -20.00 DS
7. Keratometry readings within 40 to 50D.
8. Clear, healthy corneas with no irregular astigmatism.
9. Normal, healthy conjunctiva in both eyes.
10. Free of active ocular disease. Refractive error and presbyopia are permitted.
11. Be a current or former (within the last 12 months) contact lens wearer.
12. Best-corrected near and distance visual acuity better than or equal to 20/25.
Exclusion Criteria:
1. Irregular corneal astigmatism.
2. Corneal scarring unless off line-of-site and well healed.
3. Pinguecula, pterygium, or other conjunctival thickness abnormalities that would interfere with soft contact lens wear.
4. Recent use of any ocular pharmaceutical treatments, including daily artificial tears, in the two weeks prior to the examination. Use of artificial tears less than 3 times per week is permitted.
5. Systemic disease that would interfere with contact lens wear.
6. Currently pregnant or lactating (by self-report).
7. History of strabismus or eye movement disorder, including exophoria at near that is 4D or greater than at far, and a receded near point of convergence break that is 6 cm or greater.
8. Active allergies that may inhibit contact lens wear.
9. Upper eyelid margin at or above the superior limbus.
10. History of ocular or lid surgery.
Healthy Volunteers:
True
Sex:
ALL
Minimum Age:
40 Years
Maximum Age:
70 Years
Study:
NCT04437732
Study Brief:
Protocol Section:
NCT04437732