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Related Experiment Video

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In Vitro Evaluation of The Effects Of Er,Cr:YSGG and Diode Lasers Used on Titanium Cylinder

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[Diode laser cyclophotocoagulation in refractory glaucoma].

Eliya Levinger¹, Eitan Segev, Orna Geyer

¹Carmel Medical Center, Haifa.

|August 12, 2003

Summary

This summary is machine-generated.

Contact transscleral diode cyclophotocoagulation effectively lowers intraocular pressure and reduces medication needs in refractory glaucoma patients. However, some patients experienced a decline in visual acuity after the procedure.

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Area of Science:

Ophthalmology
Medical Technology

Background:

Glaucoma is a progressive optic neuropathy often characterized by elevated intraocular pressure (IOP).
Refractory glaucoma presents a therapeutic challenge, necessitating advanced treatment modalities.

Purpose of the Study:

To assess the efficacy of contact transscleral diode laser cyclophotocoagulation in managing refractory glaucoma.
To evaluate the impact on intraocular pressure, medication requirements, and visual acuity.

Main Methods:

Thirty-three patients with intractable glaucoma underwent contact transscleral diode cyclophotocoagulation using an 810-nm laser.
The procedure involved applying 40-45 laser spots at 2 W for 2 seconds, 1.2 mm behind the limbus.
Outcomes including IOP, medication use, and visual acuity were monitored for 12 months post-treatment.

Main Results:

Mean IOP significantly decreased from 37.8 mmHg to 18.2 mmHg (p < 0.05).
Approximately 73% of patients achieved an IOP between 2 and 22 mmHg.
The average number of glaucoma medications reduced from 3.4 to 2.4 (p < 0.05), though 55% experienced visual acuity deterioration.

Conclusions:

Contact transscleral diode cyclophotocoagulation is a viable treatment for reducing IOP and medication dependence in refractory glaucoma.
Visual acuity decline is a notable limitation requiring consideration in patient selection and management.