Is a plastic 'cannula' as effective as a metal Stevens' cannula in sub-tenon's local anaesthesia (STLA)?

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN82583537

Enrollment

Registered

2004-09-30

Start date

2004-01-14

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Surgery: Cataract Surgery Cataract

Interventions

1. Metal cannula 2. Plastic cannula

Eligibility

Inclusion criteria

Inclusion criteria: 40 patients undergoing cataract surgery under local anaesthetic

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

Measure	Time frame
Residual movement of the eye ball and pain	—

Secondary

Measure	Time frame
Not provided at time of registration	—

Countries

United Kingdom

Outcome results

None listed

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