{"id":7653,"date":"2023-05-02T19:38:10","date_gmt":"2023-05-02T17:38:10","guid":{"rendered":"https:\/\/www.institutmacula.com\/patologia\/cirurgia-refractiva-miopia-hipermetropia-i-astigmatisme\/"},"modified":"2025-08-26T17:38:48","modified_gmt":"2025-08-26T15:38:48","slug":"cirurgia-refractiva-miopia-hipermetropia-i-astigmatisme","status":"publish","type":"patologia","link":"https:\/\/www.institutmacula.com\/en\/pathology\/cirurgia-refractiva-miopia-hipermetropia-i-astigmatisme\/","title":{"rendered":"Refractive Surgery: Myopia, Hyperopia and Astigmatism"},"content":{"rendered":"\n<p>A large part of ophthalmology consultations are due to problems in ocular refraction. Most refractive errors are not diseases in themselves. They are small variations in the size or shape of the eye. These variations cause images to appear blurred, forcing the patient to use some kind of optical correction. 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