Analysis of the pre-lens tear film dynamics in soft contact lenses

Analysis of the pre-lens tear film dynamics in soft contact lenses - Analysis of the pre-lens tear film dynamics

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000031804

Enrollment

100

Registered

2020-01-01

Start date

2018-05-01

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

Soft contact lens wearer with refractive complication

Interventions

prescribe the soft contact lens (DAILIES TOTAL 1) Evaluate the tear film dynamics by DR-1 tear specular scope and Video menisco-metry

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)The patient diagnosed dry eye before wearing soft contact lens. 2)Having provided voluntary written consent for participation in this study.

Exclusion criteria

Exclusion criteria: 1)The patient diagnosed dry eye without soft contact lens wearing 2)The patient who was performed ocular surgery within 3 month prior to the day of entry 3)Th patient who diagnosed as ocular surface disease influenced the results of exam such as allergy conjunctivitis 4)Patients who are judged by an investigator to be inappropriate for this study for any other reason.

Design outcomes

Primary

Measure	Time frame
At the point of 15 min after wearing daily disposable soft contact lens 1)The curvature radius of tear meniscus 2)The pattern of tear breakup 3)Non-Invasive Breake Up Time 4)The index which assess the extension of tear breakup	—

Countries

Japan

Contacts

Public ContactItoi Motohiro

Kyoto Prefectural University of Medicine Department of Ophthalmology

info@ganka.gr.jp075-251-5578

Outcome results

None listed

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