They are considered to be surgical treatments, but they are performed on an outpatient basis.

YAG laser: Fundamentally it is used for capsulotomy in patients who, after undergoing cataract surgery, develop posterior capsule opacity. It is also very useful in preventing acute glaucoma by means of iridotomy.

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Green laser:  It is the ideal wavelength for the photocoagulation of the retina, and it is especially suitable for diabetic retinopathy, retinal tears and retinal degenerations, and other vascular alterations of the ocular fundus.

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Diode laser:  Nowadays it is mainly used in photodynamic therapy, which combines the injection of a photosensitive medicine and the application of this laser to treat age related macular degeneration (AMD). It is also useful in the treatment of vascular tumors of the ocular fundus.

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