Combined Intracameral Lidocaine for Manual Small Incision Cataract Surgery Under Topical Anesthesia

Wenzhou Medical University

Status: Completed

Conditions: Cataract

Treatments: Procedure: MSICS under topical anesthesia with intracameral balanced salt solution.; Procedure: MSICS under topical anesthesia with intracameral lidocaine

Study type: Interventional

Funder types: Other

Identifiers

NCT01023334

10002

Details and patient eligibility

About

The purpose of this study is to determine whether intraocular lidocaine increases patient comfort during the different stages of MSICS while under topical anesthesia.

Enrollment: 200 estimated patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• Both men and women
• Cataract density grade III-V according to the Emery-Little system classification system
• Patients need to do manual small incision cataract surgery

Exclusion criteria

• Legal guardian(s) is/are not present for permission
• Any patient with a known sensitivity or allergy to Lidocaine or the "Caine" family of medicines.
• Patients with altered levels of pain perceptions

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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200 participants in 2 patient groups

Intraocular lidocaine,topical anesthesia,MSICS

Experimental group

Description:

experimental group:manual small incision cataract surgery under topical anesthesia with intracameral lidocaine

Treatment:

Procedure: MSICS under topical anesthesia with intracameral lidocaine

intracameral balanced salt solution,topical anesthesia,MSICS

Experimental group

Description:

control group:manual small incision cataract surgery under topical anesthesia with intracameral balanced salt solution.

Treatment:

Procedure: MSICS under topical anesthesia with intracameral balanced salt solution.