Pain Using Reduced Fluence Parameters in Photocoagulation for Diabetic Retinopathy.

Asociación para Evitar la Ceguera en México

Status and phase: Terminated; Phase 4

Conditions: Proliferative Diabetic Retinopathy

Treatments: Procedure: Retinal laser photocoagulation

Study type: Interventional

Funder types: Other

Identifiers

NCT00802269

APEC-032

Details and patient eligibility

About

The used of reduced fluence parameters for panretinal photocoagulation decreases pain as perceived by the patient, compared to traditional parameters.

Enrollment: 25 patients

Sex: All

Ages: 18 to 80 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients 18 years or older, that signed informed consent
• Proliferative diabetic retinopathy with indication for panretinal photocoagulation

Exclusion criteria

• Previous retinal photocoagulation
• Previous ocular surgical procedures
• Ocular media opacities
• History of trigeminal neuralgia
• Chronic ocular pain
• Depression under conductual or medical treatment

Trial design

Primary purpose: Treatment

Allocation: Non-Randomized

Interventional model: Single Group Assignment

Masking: None (Open label)

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25 participants in 2 patient groups

Reduced Fluence Parameters

Experimental group

Description:

Eyes receiving retinal photocoagulation with reduced fluence parameters (time 20-50 msec, power 400-700 mW)

Treatment:

Procedure: Retinal laser photocoagulation

Traditional parameters

Active Comparator group

Description:

Eyes receiving retinal photocoagulation with traditional parameters (time 100-200 msec, power 200-400 mW)

Treatment:

Procedure: Retinal laser photocoagulation