Green or blue glasses may ease Post-Surgery pain and nausea

NCT ID NCT06772519

Completed Symptom relief Sponsor: Nuran Ayşen Pamir Aksoy Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether wearing green or blue-tinted glasses after kidney donation surgery could help reduce pain and nausea without medication. 48 kidney donors were randomly assigned to wear green, blue, clear, or no glasses for at least 8 hours a day until discharge. Their pain and nausea levels were checked regularly. The goal was to see if colored light could offer a simple, non-drug way to improve recovery.

What this could mean

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

Active substance: colored lens glasses (green or blue)
What this could lead to: If it works, this could offer a simple, drug-free way to ease pain and nausea after surgery.
What could go wrong: This is a small, early study with only 48 participants. The effect may be small or not work for everyone. It only tested kidney donors, so results may not apply to other surgeries.

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative Postoperative Nausea and Vomiting

As listed by the trial registrant

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

NAUSEA AND VOMITING, POSTOPERATIVE PAIN, POSTOPERATIVE

Contacts and locations

Locations

Acibadem Atakent Hospital

Istanbul, Atakent, 34752, Turkey (Türkiye)

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