Evaluation of the eye-drop container using the flange-colored nozzles on the visibility

Evaluation of the eye-drop container using the flange-colored nozzles on the visibility - Evaluation of the eye-drop container using the flange-colored nozzles on the visibility

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000056436

Enrollment

150

Registered

2024-12-12

Start date

2024-12-08

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

Glaucoma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) 18 years of age or older, regardless of gender 2) Patients with glaucoma in one or both eyes, and receiving eye drop treatment

Exclusion criteria

Exclusion criteria: 1) Patients with diseases that may affect visual field testing (e.g., cataracts) 2) Patients that cannot instill eye drops by themselves with disability 3) Patients who have difficulty in performing the Humphrey visual field test 4) Patients deemed by the physician to be inappropriate to participate in this study

Design outcomes

Primary

Measure	Time frame
Visibility of nozzle tips of eye-drop containers, between the colorless nozzles and the flange-colored nozzles.	—

Secondary

Measure	Time frame
Preference of nozzle tips between the colorless nozzles and the flange-colored nozzles. Visibility of nozzle tips between the colorless nozzles and the flange-colored nozzles, stratified by central foveal threshold (over 31dB and under 31dB) Preference of nozzle tips between the colorless nozzles and the flange-colored nozzles, stratified by central foveal threshold (over 31dB and under 31dB) Patient background factors affecting to visibility and Preference (including near vision and color anomaly)	—

Measure

Time frame

Preference of nozzle tips between the colorless nozzles and the flange-colored nozzles. Visibility of nozzle tips between the colorless nozzles and the flange-colored nozzles, stratified by central foveal threshold (over 31dB and under 31dB) Preference of nozzle tips between the colorless nozzles and the flange-colored nozzles, stratified by central foveal threshold (over 31dB and under 31dB) Patient background factors affecting to visibility and Preference (including near vision and color anomaly)

—

Countries

Japan

Contacts

Public ContactShuzo Okuno

Ehime University Ophthalmology

s.okuno024@gmail.com0899605361

Outcome results