Actively Recruiting
Impact of Capsular Tension Ring on Intraocular Lens Position in Retinitis Pigmentosa Cataract Patients
Led by Zhongshan Ophthalmic Center, Sun Yat-sen University · Updated on 2026-04-23
88
Participants Needed
3
Research Sites
100 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This is a self-controlled randomized clinical trial to investigate the effect of capsular tension ring (CTR) implantation on intraocular lens (IOL) position in cataract patients with retinitis pigmentosa(RP). Each patient will receive CTR implantation in one eye, with the fellow eye serving as control. Postoperative outcomes, including visual acuity, IOL position, and postoperative complications will be compared between eyes.
CONDITIONS
Official Title
Impact of Capsular Tension Ring on Intraocular Lens Position in Retinitis Pigmentosa Cataract Patients
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Age 63; 18 years
- Clinical diagnosis of retinitis pigmentosa (RP)
- Bilateral cataract requiring intraocular lens implantation
- Willingness to participate and provide signed informed consent
You will not qualify if you...
- History of intraocular surgery
- Severe zonular weakness (e.g., zonular dialysis >90�b0, lens subluxation/dislocation)
- Other eye conditions such as pseudoexfoliation syndrome, ocular trauma, corneal dystrophies, uveitis
- Severe systemic diseases like severe hypertension, diabetes, heart disease, Alzheimer's, Parkinson's disease
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 3 locations
1
Zhongshan Ophthalmic Center, Sun Yat-sen University
Guangzhou, Guangdong, China, 510623
Actively Recruiting
2
Shenzhen Eye Hospital
Shenzhen, Guangdong, China, 518040
Not Yet Recruiting
3
Wuhan Aier Eye Hospital
Wuhan, Hubei, China, 430061
Not Yet Recruiting
Research Team
Y
Yuke Pan, Master
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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