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Effect of posterior continuous curvilinear capsulorhexis on visual quality of diffractive multi-focal intraocular lens during cataract surgery

Effect of posterior continuous curvilinear capsulorhexis on visual quality of diffractive multi-focal intraocular lens during cataract surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400091697
Enrollment
Unknown
Registered
2024-11-01
Start date
2024-11-01
Completion date
Unknown
Last updated
2024-11-04

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

Conditions

cataract

Interventions

PPCCC group:Continuous circular capsulorhexis of the posterior capsule
NPCCC group:no

Sponsors

The First People's Hospital of Xianyang
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Age-related cataract in both eyes; (2) Corneal astigmatism =1.00D; (3) AL between 22mm-26mm (4)Kappa Angle < 0.5mm; (5) Pupils less than 5.5mm at night (4) Surgery on both eyes within one month.

Exclusion criteria

Exclusion criteria: (1) Traumatic or congenital cataract. (2) History of eye surgery. (3) Corneal disease, glaucoma, lens dislocation, retinal detachment, proliferative diabetic retinopathy, macular degeneration, uveitis, optic nerve disease. (4) Postoperative endophthalmitis and fulminant choroidal hemorrhage.

Design outcomes

Primary

MeasureTime frame
sight;Visual quality;—

Secondary

MeasureTime frame
Refractive error;—

Countries

China

Contacts

Public ContactXueli zheng

The First People's Hospital of Xianyang

502992192@qq.com+86 182 2040 6642

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026