Patients using conventional oxygen-permeable hard contact lenses for more than five days a week
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Patients using conventional oxygen-permeable hard contact lenses for more than five days a week 2)Patients who came to the hospital in a state of conventional oxygen-permeable hard contact lenses with over six months of use during the first inspection. 3)Conventional oxygen-permeable hard contact lenses are spherical lenses (not for perspective or astigmatism) 4)Patients who wear conventional oxygen-permeable hard contact lenses throughout the day (patients who are not in continuous wear) 5)Patients aged 20 years and under 60 years of age at the time of consent acquisition 6)A patient who understands the contents of the consent document and is able to consent in the document of the person 7)Patient who can come to the observation day by the instruction of the researcher 8)Men and women do not matter.
Exclusion criteria
Exclusion criteria: 1)Patients who may affect the orthodontic vision of contact lenses due to diseases such as keratoconus, ptosis, and dry eye 2)A patient who is a research director or researcher who is deemed unfit for the incorporate of this research 3)Patients judged by other research managers or researchers as inappropriate to implement this research safely
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparative evaluation of test items for three-month regular-exchange oxygen-permeable hard contact lenses by conventional oxygen-permeable hard contact lenses and moldprocess | — |
Countries
Japan
Contacts
Ishizuchi Eye Clnic Director