Treatments

Refractive Laser Surgery: Lasik, PRK and PTK

Myopia, Hyperopia, Astigmatism and Presbyopia

The fully equipped facilities of Sadalla Laser, part of Sadalla Amin Ghanem Eye Hospital, offer medical consultation, exams and surgery in a single place, with agility, safety and convenience. Sadalla Laser monitors global progress in refractive surgery and remains at the forefront, investing to offer the very best. It has the most modern equipment in the world, “Schwind Excimer Laser Amaris® 1050RS”, qualified doctors, trained staff and fully equipped facilities. For all these advantages, it is considered a national reference.

hipermetropia-laser-ocular

WHAT IS HYPEROPIA?

When the eyeball is smaller than it should be it is more difficult to focus near objects, having a clear image formed on the retina. Hyperopia is very common in children and can go away as their eyes grow. Hyperopia can be corrected with prescription glasses, contact lenses or, in specific cases, laser surgery.

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WHAT IS ASTIGMATISM?

Astigmatism distorts and clouds the vision at any distance. The majority of astigmatism cases are congenital (inborn errors) and do not change throughout life. Small astigmatism errors are common and can appear at any point in life, not requiring correction with glasses or contact lenses, unless symptoms are present. In some cases, corrective lenses for astigmatism can distort peripheral image and cause symptoms during the glasses adaptation period (dizziness, nauseas, impression that one is walking on a hill). Astigmatism correction can be achieved with corrective lenses or laser surgery.

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astigmatismo-laser-ocular

presbiopia_laser-ocular

WHAT IS PRESBYOPIA?

Eyestrain or presbyopia is a natural and progressive loss of ability of the eye to focus on objects. Eyestrain typically happens after people reach their 40’s, because over time, the lens inside of the eye loses the flexibility needed to adjust focus. Thus, people who have never used glasses, need them for reading and people who have used them often require multifocal lenses. The only people who do not need reading glasses after age 45 are myopic, as they have the sight focus naturally close.

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Refractive Laser Surgery Techniques

lasik

LASIK is the technique most used world-wide for laser correction of degrees of myopia, hyperopia, astigmatism, as well as some cases of presbyopia. An ultrathin cut is performed on the anterior layer of the cornea, which allows the application of the laser in its internal layer. Thus, there is less surface area to heal, less post-operative discomfort and vision returns more quickly.

prk

PRK correct refractive errors applying laser on the surface of the cornea. This treatment is indicated for patients who have thinner or asymmetric corneas, or usually younger patients. It is a very safe technique, but visual recovery is slower. For postoperative care, it is essential to avoid eye exposure to the sun for a period of 1 year after surgery.

ptk

PTK (Phototherapeutic Keratectomy) is a method to treat the corneal surface using Excimer laser with uniform tissue removal. It is used to treat superficial diseases of the corneal epithelium and anterior stroma as, for example, recurrent epithelial erosion, corneal scarring or corneal dystrophy. Beyond removing the opacities, it can be used to achieve a more regular cornea surface. Therefore, PTK has become an alternate procedure to manual removal and corneal transplants.

phakic_lens

The Artisan or Artiflex phakic intraocular lenses are implanted in the eyes fixing them on the iris (colored eye layer), in order to correct myopia, hyperopia and astigmatism when the laser refractive surgery can’t be performed. This usually occurs for higher degrees of refractive errors and thinner corneas. These lenses allow correction of myopia of 20 diopters, hyperopia of 10 diopters and astigmatism of 7 diopters. They have been used in Europe since 1986 and here at Sadalla Amin Ghanem Eye Hospital since 1997.
Surgery is performed under local anesthesia, and there is no need for the patient to spend the night at the hospital, as visual recovery starts within 24 hours.

Excimer Laser
Schwind Amaris® 1050RS

Following the trends and
investing in the best technologies

Equipment from countries like Germany, Japan, Australia and Switzerland, provide physicians and patients confidence and precision for studies, diagnosis and treatment, especially the Amaris 1050 Excimer Laser, the most modern equipment to perform laser surgery.

Fully euipped facilities for convenience
and safety at your service