Comparative effect of local anesthesia with lidocaine 2% versus topical anesthesia on cognitive function in patients undergoing elective cataract surgery

Effect of local anesthesia with lidocaine 2% versus topical anesthesia on cognitive function in patients undergoing elective cataract surgery

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

PACTR

Registry ID

PACTR201903779653918

Enrollment

Registered

2019-03-11

Start date

2018-05-01

Completion date

Unknown

Last updated

2026-01-27

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

Conditions

Anaesthesia

Interventions

Topical anesthesia

peribulbar block

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients candidate for elective cataract surgery by phacoemulsification 2. The patients should provide signed written informed consent to participate.

Exclusion criteria

Exclusion criteria: 1. Patients with major language disturbance or auditory impairment affecting their ability to complete testing 2. Patients with pre-existing cognitive, psychiatric or central nervous system disorders 3. Patients with nystagmus, 4. Patients with allergy to local or topical anaesthetics 5. Patients with any coexisting ocular conditions that could affect the scoring system for local anaesthesia such as ptosis, ocular movement abnormality, reduced corneal sensation, or facial nerve palsy 6. Inability to understand the information about the study 7. if the patient refused the local or topical anaesthesia technique

Design outcomes

Primary

Measure	Time frame
Cognitive function	—

Secondary

Measure	Time frame
Patient satisfaction	—

Countries

Egypt

Contacts

Public ContactMona Hussein

Lecturer

Mona.neuro@yahoo.com01005131318

Outcome results

None listed

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