Changes in Macular Thickness After Patterns Scan Laser

Launched by ASOCIACIÓN PARA EVITAR LA CEGUERA EN MÉXICO · Nov 23, 2007

Keywords

ClinConnect Summary

Introduction:

The concept of retinal photocoagulation was introduced by Meyer-Schwickerath for treatment of diabetic retinopathy in the 50s (1, 6). The first successfully used laser was the arc xenon laser (polychromatic, inefficient, and hard to handle). Then the ruby and argon laser appeared (with mayor improvements in design and management). The modern era of photocoagulation as we know it began in the late 70s.

With these available technologies, the focal photocoagulation, the panretinal photocoagulation and the grid photocoagulation were developed. Witch proved effective for the trea...

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Eligibility criteria

• Inclusion Criteria:
• • Patients older than 25 years, with a diagnosis of severe NPDR or PRD.
• • Good pupil mydriasis (minimum 5mm) With clear media
• • Patients without previous laser treatment or treatment with antiangiogenic drug.
• Exclusion Criteria:
• • Patients who do not accept informed consent.
• • Patients with clinical macular Edema before treatment.
• • Significant corneal opacity.
• • Patients with other eye diseases that interfere with the studies required for the monitoring of patients.
• • History of refractive surgery, glaucoma or ocular hypertension, intraocular inflammation, choroiditis multifocal, retinal detachment, optic neuropathy (4).
• • Patients with tractional retinal detachment due to abundant fibrovascular tissue. Or important fibrovascular tissue that fold or detach the retina.