Could a tiny ring improve cataract surgery for RP patients?

NCT ID NCT07126470

Recruiting now Disease control Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University Source: ClinicalTrials.gov ↗

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

Summary

This study tests whether placing a capsular tension ring (CTR) during cataract surgery helps keep the artificial lens more stable in people with retinitis pigmentosa (RP). Each of the 88 participants will get the ring in one eye, while the other eye serves as a comparison. Researchers will measure lens position, vision, and complications after surgery.

What this could mean

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

Active substance: capsular tension ring (CTR) implantation
What this could lead to: If it works, this could improve lens stability and visual outcomes for cataract patients with retinitis pigmentosa.
What could go wrong: This is a small, early-stage trial with only 88 participants. The benefit may be small or not apply to all patients, and there are standard surgical risks like infection or inflammation.

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.

cataract retinitis pigmentosa

As listed by the trial registrant

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

CATARACT RETINITIS PIGMENTOSA (RP)

Contacts and locations

Locations

Shenzhen Eye Hospital
NOT_YET_RECRUITING

Shenzhen, Guangdong, 518040, China
Wuhan Aier Eye Hospital
NOT_YET_RECRUITING

Wuhan, Hubei, 430061, China
Zhongshan Ophthalmic Center, Sun Yat-sen University
RECRUITING

Guangzhou, Guangdong, 510623, China

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