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Evaluation of hard contact lenses with periodic exchange type oxygen permeability by molding method

Evaluation of hard contact lenses with periodic exchange type oxygen permeability by molding method - Molded-RGP

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000032278
Enrollment
100
Registered
2018-04-16
Start date
2018-04-16
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients using conventional oxygen-permeable hard contact lenses for more than five days a week

Interventions

Three-month periodic exchange of oxygen-permeable hard contact lens by molding method

Sponsors

Ishizuchi Eye Clnic
Lead Sponsor

Eligibility

Sex/Gender
All

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

MeasureTime 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

Public ContactTakashi Suzuki

Ishizuchi Eye Clnic Director

t-suzuki@ishizuchi-eye-clinic.jp0898-33-3069

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026