1996/03/01 105. zenbakia

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• Medikuntza

Glaucoma and laser

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Glaucoma, the disease that occurs by increasing intraocular pressure, has become news in the US. Aside from medication and cutting, so far this vision problem has not been solved, but it seems that with the use of lasers a new cutting system can be used in the future. Ophthalmologists have concluded that the laser is effective and direct with patients.

The spilled intraocular fluid performs a natural path and with proper drainage the eye pressure does not rise. However, if the canal narrows, the liquid cannot pass and that causes an increase in pressure. Sometimes the passage is narrowed by the lens and iris, but other times the passage closes with a complex network of fibers.

As already indicated, glaucoma increases intraocular pressure and produces a decrease and blindness of the visual field. Although American ophthalmologists have underlined the high efficacy of the laser against glaucoma, the evolution of the disease and the ability of the laser to combat it have not yet been resolved.

Treatments used so far have been shown to be effective, but problems have also been detected. Conventional cutting poses a 5% loss of vision risk, while medications can increase blood pressure or cause contraction of the bronchi.

During the sessions held in the USA, we worked with a pressure of 3,500 pascals inside the eye and the usual is 2,000 pascals. Laser treatment reduced eye pressure to 2,400 pascals. Consequently, it has been stated that this treatment is safe and does not produce side effects, but they have not dared to claim that it is a long-term solution.

In fact, although this treatment has managed to reduce the pressure to 2,400 pascals, it has been observed that over time the pressure increases again. The future will confirm or completely deny the validity of this new technique, but today the experts are quite hopeful.