Dr. Ricardo Pérez Izquierdo
• More than 5 years of experience• Head of Unit Refractica Innova Ocular Surgery IOA Madrid (2012-present)
• Bachelor of Medicine and Surgery at the University of Alcala de Henares (2005)• Specialist in Ophthalmology at the Hospital Gregorio Maranon Universirario Madrid (2010)
*Translated with Google translator. We apologize for any imperfection
Astigmatism is a defect or imperfection in the eye curvature of the cornea or in the structure of the lens of the eye, characterized by a different ey Astigmatism is a defect or imperfection in the eye curvature of the cornea or in the structure of the lens of the eye, characterized by a different eye refraction between two meridians, which prevents sharp focus objects. The cornea acts as a lens through which light passes that is focused on the retina. So that if the surface of the cornea is irregular in its curvature, astigmatism occurs because the light rays are not refracted properly. Low ( 0.25 diopters less than 1 ), medium (1 diopter less than 3 ) and high ( greater than or equal to 3 diopters ): According grades three types are classified. ...
Cataracts, also known as facosclerosis are a total or partial obstruction of the lens or lens of the eye, whose function is to convert the light rays Cataracts, also known as facosclerosis are a total or partial obstruction of the lens or lens of the eye, whose function is to convert the light rays obtained images on the retina. So when this part is obstructed eye, vision becomes weak and blurred. There are many types of cataracts, and is a fairly common condition that increases with age. The only possible cure cataract and restore a correct view treatment is surgery to eradicate it, but it is only recommended when the patient suffers so severe discomfort that do not allow you to continue your daily life as normal or wearing glasses. The operation to correct cataract extraction is based on the area of the lens that is damaged and its replacement by an intraocular lens. ...
Ptosis is the fall of the eyelid as a result of relaxation of the muscles that hold it. This is one of the most common eyelid malpositions, and can oc Ptosis is the fall of the eyelid as a result of relaxation of the muscles that hold it. This is one of the most common eyelid malpositions, and can occur in patients of all ages either muscle weakness as desanclaje the tendon of the muscle. With regard to its causes, there are numerous, from injuries to neurological factors. They all cause difficulty in vision, so it is necessary to surgically intervene in order to repair the tendon or muscle shortening, as the case of that question. Various techniques exist for these interventions will depend on the condition of each patient eye. ...
Intraocular lenses, also known as IOLs, are transparent artificial lenses used to replace the natural lens of the eyes when they are damaged, either Intraocular lenses, also known as IOLs, are transparent artificial lenses used to replace the natural lens of the eyes when they are damaged, either by cataracts, nearsightedness or other eye diseases. In people with vision blurred vision due to damage to your natural lens, which is responsible for receiving the light rays with which the images are obtained, replacing it with an intraocular lens patient returns to a correct view . Normally, they are made with flexible and pliable material and are the same size as the original. The intraocular lens is generally implanted in the eye in cataract surgery to replace the natural lens. ...
Keratoconus is a variation of the conical cornea caused by an alternation of the internal structure of the corneal tissue. Besides being a condition that changes the appearance of the eye, causing poor vision, as it is usually accompanied by a high astigmatism, blurred or distorted vision. Alteration of collagen fibers contained within the cornea is responsible for the evolution of keratoconus, to which various treatments. On the one hand, it can be corrected with glasses or contact lenses, but it is also possible to implement intracorneal rings, using a very safe surgical procedure that changes the corneal curvature. Another of the most used is the crosslinking treatment, a technique of applying rivoflavina- substance that sensitizes the collagen-and prevents the increase of keratoconus. Finally, for the more severe stages of the disease, the only solution is corneal transplantation. ...
Refractive surgery is responsible for changing the anatomy of the eye to correct vision defects such as farsightedness, astigmatism or myopia. There are several types of refractive procedures, most notably of laser surgery, an increasingly common and widespread thanks to the good results and has the proven technical safety of operation. Specifically, refractive laser surgery is to change the size of the cornea (responsible for our vision) through the application of the laser inside. For this it is necessary to lift a layer of corneal tissue, which will be relocated once the intervention and does not require points. ...
The macula is the part of the eye responsible for providing a clear view. As we grow faculties it loses its function, causing macular degeneration, also known as AMD. This is a fairly common ailment after 60 years and can occur at various levels, resulting imperceptible in some cases. Conversely, it can also develop much more virulent causing total and progressive loss of sight. Although there is still no definitive treatment to repair the effects of macular degeneration, it is important to make an early diagnosis to slow its progression. Also, it has been found that consumption of antioxidant vitamins and zinc can contribute to this. ...
Myopia, also known as nearsightedness and hipometropía, is an ocular abnormality resulting focus vision on distant objects because of a dysfunction in the retina. Thus, although the view is normal at close range, as you look away, they are gradually blurring the images. There are many degrees of myopia, high myopia being which exceeds the 6.5 diopters. The most commonly used for correcting this ailment resources are glasses and contact lenses, but increasingly patients are operated by laser surgery, the application of which depends on the characteristics of each eye there. This intervention consists of modifying the surface of the cornea correcting the diopter affected. Finally, in the most severe myopia, the placement of intraocular lenses, which function is the same as the outer lenses but located within the eye and permanently is possible. ...
Child ophthalmology is the part of medicine that deals with the eye and its diseases in children, from birth through adolescence. Since some of the eye diseases begin to show symptoms during this stage it is very important to consider the children's ophthalmology as part of health care smaller house. Among the most common conditions, it highlights the lazy eye, strabismus, child obstruction and malformations. Also, if any of the family of the patient has congenital diseases of view, it is much more necessary to make an early follow-up to not end up with worse consequences. ...
Presbyopia, also known as farsightedness, is a common condition caused by aging of the eye lens, which appears especially from 40 to 45 years. More specifically, it is a lens accommodation, one of the most important parts of the eye to correct vision, and which is responsible for focusing images on the retina so we can see the sharp objects. Therefore presbyopia causes a distorted view of nearby objects, affecting close up view. This condition can be corrected with the use of glasses or contact lenses and surgery. The latter will depend on the patient's age, the state of your lens and eye defect have. Also, there are two techniques for this operation: the use of lasers, and phacoemulsification with intraocular lens placement, in which an artificial lens inside the eye is placed. ...
Retinal detachment occurs when separating the outer membrane of the retina (called the retinal pigment epithelium) of the inner layer (sensory retina). This detachment can be caused due to various reasons such as strong myopia or degenerative atrophic processes. Both conditions may be responsible for these layers are separated and that the fluid between the retina and transferred both to accumulate on the bottom. Consequently, in the detached retina segment blindness it occurs. Two of the most crucial signs that may alert the patient that has suffered a detached retina are viewing flashing lights and floaters. Treatment for most patients is surgery. ...
Retinopathy is the common name of any non-inflammatory disease of the retina, the innermost layer of the eyeball responsible for receiving and sending images of the eye to the brain. That is why the term encompasses a range of conditions, the most common and known diabetic retinopathy, which occurs due to elevated blood glucose levels in these patients. The symptoms are not evident during the early stages of this type of retinopathy, which can lead to vision loss, so it is important that diabetics undergo regular eye examinations. Its main treatment is photocoagulation, laser surgery to repair abnormal blood vessels that have been created in the retina. Finally, in the case of blood that has entered into the vitreous humor, a vitrectomy is used, a type of surgery used only if the bleeding has been very generous. ...
Vision problems encompass a host of pathologies. The most common are refractive comprising: the nearsightedness or myopia, hyperopia, astigmatism and presbyopia. Its causes may be genetically different, due to aging or other diseases such as macular degeneration caused by diabetes. ...
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