Panretinal photocoagulation is another type of laser surgery similar to the procedure described above. It is done when diabetic retinopathy is more advanced, and can be used to treat a much larger area of the retina at one time. In particular, this procedure can help remove abnormal blood vessels that may be growing in the retina, and it can also slow the growth of these abnormal vessels. Also known as scatter photocoagulation, panretinal photocoagulation involves making hundreds of small holes with a laser to stop the overgrowth of blood vessels. Patients will likely need to have at least two treatment sessions for this particular operation. Recovery may take longer than with other types of this procedure.
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