Eye injection may ease pain of laser surgery for diabetic patients

NCT ID NCT07640256

Completed Symptom relief Sponsor: Asociación para Evitar la Ceguera en México Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jul 15, 2026 · Updated 3 times

Summary

This study compared two ways to control pain during laser treatment for diabetic retinopathy: a numbing injection around the eye versus standard numbing eye drops. Fifty adults with diabetes were split into two groups to receive either the injection or a sham injection with drops. Researchers measured pain levels and vital signs during the procedure to see which method worked better.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: bupivacaine and lidocaine injection
What this could lead to: If it works, this could offer a better way to manage pain during laser eye surgery for people with diabetic retinopathy.
What could go wrong: This is a small, completed Phase 4 trial with only 50 participants, so results may not apply to everyone. The injection itself carries risks like bruising or infection.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

agnosia proliferative diabetic retinopathy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PROLIFERATIVE DIABETIC RETINOPATHY

Contacts and locations

Locations

Asociacion Para Evitar la Ceguera en Mexico, I.A.P.

Mexico City, Mexico City, 04030, Mexico

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