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The effects of Nd:YAG laser capsulotomy on anterior segment parameters in patients with PCO after Combined Phacoemulsification and 23-Gauge Pars Plana Vitrectomy

The effects of Nd:YAG laser capsulotomy on anterior segment parameters in patients with PCO after Combined Phacoemulsification and 23-Gauge Pars Plana Vitrectomy

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900023102
Enrollment
Unknown
Registered
2019-05-11
Start date
2019-05-03
Completion date
Unknown
Last updated
2019-05-13

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

Conditions

posterior capsular opacification

Interventions

509M:capsulotomy
HOYA:capsulotomy
HOYA251:capsulotomy

Sponsors

the Fourth Affiliated Hospital of China Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: All of the patients had undergone previous combined phacoemulsification and 23-Gauge pars plana vitrectomy with intraocular lens implantation at least six months earlier. All patients had significant visual loss (at least two lines compared to the last visit) and hazy fundus appearance.

Exclusion criteria

Exclusion criteria: corneal pathology, glaucoma, uveitis, trauma. None ofthe individuals had any history of contact lens use for any reasons (refractive, cosmetic et cetera).

Design outcomes

Primary

MeasureTime frame
anterior chamber depth;sphericaland powers;cylindrical powers;anterior chamber angle;—

Secondary

MeasureTime frame
visual acuity;central corneal thickness;—

Countries

China

Contacts

Public ContactLiwei Ma

Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University

18900913588@163.com+86 18900913588

Outcome results

None listed

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