Comparison of Surgical Efficiency in Cataract Surgery Device

Comparison of surgical efficiency between UNITY VCS and CONSTELLATION - Comparison of Surgical Efficiency in Cataract Surgery Device

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060052

Enrollment

126

Registered

2025-12-11

Start date

2025-12-11

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

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Patients aged 40 to 90 years diagnosed with cataract who underwent phacoemulsification and intraocular lens implantation, gender is not restricted. 2.Patients with nuclear hardness graded up to 2 to 3 according to the Emery Little classification. 3. Patients in whom a monofocal intraocular lens or a toric intraocular lens was implanted.

Exclusion criteria

Exclusion criteria: 1. Patients who underwent other ocular surgeries within one month after cataract surgery, or with a history of ocular surgery including shallow anterior chamber, uveitis, progressive diabetic retinopathy, corneal degeneration, corneal transplantation, or corneal refractive surgery. 2. Patients with corneal endothelial cell density less than 1500 cells/mm2. 3.Patients in whom the IOL could not be completely fixed within the capsular bag during surgery. 4. Patients deemed inappropriate by the investigator due to systemic or ocular comorbidities.

Design outcomes

Primary

Measure	Time frame
Total U/S time	—

Countries

Japan

Contacts

Public ContactYoshihito Sakanishi

Sakanishi Eye Clinic Department of Ophthalmology

ysakani@juntendo.ac.jp0297-64-2355

Outcome results