The Castanera Institute of Ophthalmology  was founded in 1954. Tradition, pioneering use of the most advanced technologies and techniques, scientific research and a truly personalized treatment of patients enabled the Castanera Institute of Ophthalmology  to be regarded internationally as one of the focal points in ophthalmic surgery.


Refractive eye surgery is any eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses. These procedures are designed to correct refractive errors such as myopia, hyperopia, astigmatism and presbyopia.


From birth to the age of eight, children develop and mature vision, which them much more sensitive to any visual problem. Therefore, is essential to identify as soon as possible any anomaly that might slow or stop visual development, and start proper treatment..


A cataract is the clouding or loss of transparency of the crystalline lens due to various causes: age, congenital, trauma, systemic diseases, etc.. The symptoms are usually manifested by a decrease in visual acuity, the difficulty in adapting to the dark vision and / or increased glare.


Oculoplastic surgery includes all surgical techniques designed to address diseases of the eyelids, both cosmetic (upper and lower blepharoplasty, bags) and functional (changes on lid margin, reconstructions, skin lesions) because in many cases, health and good functioning of the eyelids and eyelashes are vital for visual function.


The retina is a light-sensitive layer of tissue, lining the inner surface of the eye. The optics of the eye create an image of the visual world on the retina. Light striking the retina trigger nerve impulses that are sent to various visual centers of the brain through the fibers of the optic nerve.


Presbyopia is a condition where with age, the eye exhibits a progressively diminished ability to focus on near objects. The cause of presbyopia is mainly a loss of elasticity of the crystalline lens which decreases the accommodation capability of the eye. It’s onset is age-related, usually between the ages of 40 and 45, and it is slowly progressive.

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