Changes in retinal microcirculation after panretinal photocoagulation in eyes with severe non-proliferative diabetic retinopathy : pattern scan laser versus argon laser

Changes in retinal microcirculation after panretinal photocoagulation in eyes with severe non-proliferative diabetic retinopathy : pattern scan laser versus argon laser - Changes in retinal microcirculation after panretinal photocoagulation in eyes with severe non-proliferative diabetic retinopathy : pattern scan laser versus argon laser

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000028453

Enrollment

Registered

2017-07-31

Start date

2015-07-01

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

Severe non-proliferative diabetic retinopathy

Interventions

Argon laser treatment group The PRP will be delivered through a wide-field contact lens using the argon laser. The PRP for each eye will be performed in 3 to 5 sessions with an interval of 2 weeks b

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Eyes with severe non-proliferative diabetic retinopathy

Exclusion criteria

Exclusion criteria: Presence of any other eye disease History of eye disease treatment

Design outcomes

Primary

Measure	Time frame
Blood flow of retinochoroidal blood vessel	—

Secondary

Measure	Time frame
Choroidal vascular area Choroidal thickness Vascular diameter	—

Countries

Japan

Contacts

Public ContactYoshitaka Ueno

Nagoya University School of Medicine Department of Opthalmology

ystk.imp@gmail.com052-744-2275

Outcome results

None listed

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