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The effect of capsular tension ring on visual outcomes in eye surgery

The capsular tension ring effect on refraction outcome after phacovitrectomy

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20251222068413N1
Enrollment
50
Registered
2026-03-16
Start date
2026-02-07
Completion date
Unknown
Last updated
2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cataract with vitreoretinal disease undergoing phacovitrectomy. Other disorders of lens

Interventions

Intervention 1: Intervention group: Phacovitrectomy with Capsular Tension Ring (CTR) insertion in the capsular bag. The surgical procedure includes: 1.Phacoemulsification and cataract lens removal usi

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Obtaining informed consent from patients Candidates for simultaneous phacovitrectomy No zonular weakness due to underlying disease or prior ocular surgery Anterior–posterior (axial) eye length of 21–25 mm No history of corneal disease or keratorefractive surgery

Exclusion criteria

Exclusion criteria: Uncontrolled systemic disease that prevents safe surgery Ocular anatomical abnormalities that make standard phacovitrectomy impossible

Design outcomes

Primary

MeasureTime frame
Refraction. Timepoint: The study outcomes will be assessed before the phacovitrectomy and Capsular Tension Ring implantation (baseline). Postoperative outcomes will be reassessed one month after surgery and three months after surgery. Method of measurement: Using a refractometer.;Astigmatisn Induced By Lens. Timepoint: The study outcomes will be assessed before the phacovitrectomy and Capsular Tension Ring implantation (baseline). Postoperative outcomes will be reassessed one month after surgery and three months after surgery. Method of measurement: Using refractometer and biometry.;Centration Of Intra ocular lens. Timepoint: Intraocular lens centration will be assessed one month and three months after phacovitrectomy and Capsular Tension Ring implantation. Method of measurement: Slit lamp examination.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr.Amirhossein Akbari

Esfahan University of Medical Sciences

Akbari73.amirhsn@yahoo.com+98 31 3667 2420

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026