Comparison of anterior capsulotomy's postoperative long-term outcome by manual (anterior chamber forceps) and mechanical (Zepto)

Comparison of anterior capsulotomy's postoperative long-term outcome by manual (anterior chamber forceps) and mechanical (Zepto) - Comparison of anterior capsulotomy's postoperative long-term outcome by manual and Zepto

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029442

Enrollment

Registered

2017-10-05

Start date

2017-10-05

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Cataract

Interventions

Mechanical surgery by using Zepto for anterior capsulotomy during cataract surgery Manual surgery by using anterior chamber forceps for anterior capsulotomy during cataract surgery

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 20 years old or older. Patient with declined eye sight due to cataract. Patient wish to have cataract surgery on both eyes. Diameter of the pupil must be 7.00mm or larger when dilated. Anterior chamber depth must be 2.5mm or deeper. Patient should comprehend and agree with the explanation from the doctor.

Exclusion criteria

Exclusion criteria: Congenital cataract Patient with ocular disease other than cataract. Patient with systemic disease such as diabetes or Marfan syndrome that may affect capsule. Patient with eye disorder and systemic disease such as hypertension that does not affect capsule. Pregnant or nursing woman.

Design outcomes

Primary

Measure	Time frame
Comparison of anterior clouding and secondary cataract probability by manual using anterior chamber forceps and mechanical using Zepto.	—

Countries

Japan

Contacts

Public ContactKei Ichikawa

Japanese Red Cross Gifu Hospital Department of Ophthalmology

home@chukyomedical.co.jp052-683-5001

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026

Comparison of anterior capsulotomy&#39;s postoperative long-term outcome by manual (anterior chamber forceps) and mechanical (Zepto)