Changes in ocular surface after instillation of eye drops containing PVP

Changes in tear film dynamics and ocular surface temperature after instillation of eye drops containing PVP in soft contact lens wearers

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1031230239

Enrollment

Registered

2023-07-19

Start date

2023-05-18

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

Healthy wearers. It is expected to find ways to reduce contact lens discomfort.

Interventions

Subjects sill wear contact lenses and apply eye drops, and we carry out objective and subjective examination in the right eye.

Eligibility

Inclusion criteria

Inclusion criteria: 1, Pearson who are over 20 years old and can obtain informed co nsent 2, Pearson who wears soft contact lenses for mor e than 4 days a week.

Exclusion criteria

Exclusion criteria: 1, Subjects with a ocular disease 2, Subjects with a history of ophthalmic surgery 3, Subjects with systemic disease (diabetes, hypertension, circulatory system diseases)

Design outcomes

Primary

Measure	Time frame
Tear meniscus height, non-invasive tear break up time	—

Secondary

Measure	Time frame
ocular surface temeprature	—

Contacts

Public ContactTakashi Itokawa

Toho University Omori Medical center

takashi.itokawa@med.toho-u.ac.jp+81-3-3762-4151

Outcome results

None listed

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