Evaluation of the Anesthetic Efficacy of the New Tenon's Capsule Subcapsular Injection Needle in Simultaneous Cataract and Vitrectomy Surgery

Evaluation of the Anesthetic Efficacy of the New Tenon's Capsule Subcapsular Injection Needle in Simultaneous Cataract and Vitrectomy Surgery - Evaluation of the Anesthetic Efficacy of the New Tenon's Capsule Subcapsular Injection Needle in Simultaneous Cataract and Vitrectomy Surgery

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059769

Enrollment

Registered

2025-11-13

Start date

2025-11-13

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

Cases Indicated for Simultaneous Cataract and Vitrectomy Surgery

Interventions

After cataract surgery under topical anesthesia, Tenon&#39

s capsule anesthesia (2% lidocaine, 3 mL) is administered, followed by 25-gauge vitrectomy. The patient is evaluated for pain, ocular motility, eyelid movement, and the presence of anesthesia-related

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients aged 40 years or older scheduled for simultaneous cataract and vitrectomy surgery Patients who have provided written consent

Exclusion criteria

Exclusion criteria: Patients with ocular motor disorders Proliferative disease with proliferative membranes extending beyond two quadrants Hypersensitivity to local anesthetics Patients with a history of surgery at the same site Patients unable to verbally report NRS scores

Design outcomes

Primary

Measure	Time frame
Is the pain score at the end of cataract surgery comparable to the pain score at the end of surgery	—

Countries

Japan

Contacts

Public ContactTakashi Koto

Kyorin University School of Medicine Department of Ophthalmology

koto@ks.kyorin-u.ac.jp0422475511

Outcome results

None listed

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

Evaluation of the Anesthetic Efficacy of the New Tenon&#39;s Capsule Subcapsular Injection Needle in Simultaneous Cataract and Vitrectomy Surgery