Healthy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Subjects who are over the age of 20 and under 40 years old, and capable of giving written informed consent 2.Subjects who are using of the contact lens within suppliable range of power 3.Subjects who wear daily disposable SCL for at least 6hours a day and more than 5days a week 4.Subjects who have not used CL(contact lenses) for 2 days after washout (wearing glasses,etc.)
Exclusion criteria
Exclusion criteria: 1.Regular users of PRECISION 1TM or 1-DAY ACUVUE TruEye 2.Subjects who have obvious worsening of subjective symptoms immediately after wearing the research lens (1)and(2)to be compared, or who have poor fitting of the research lens 3.Subjects with a history of ophthalmic surgery 4.Subjects who have been diagnosed with dry eye by a doctor,who are prescribed dry eye drops,or who are using over-the-counter eye drops. 5.Subjects who are judged inappropriate for participation of the study by the investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Non-invasive tear film breakup time when wearing study contact lenses | — |
Secondary
| Measure | Time frame |
|---|---|
| Ocular surface blood flow value, ocular surface temperature value, and subjective symptoms after environmental stimulation | — |
Contacts
Toho University Omori Medical Center