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Astigmatism

Astigmatism is an imperfection in the curvature of the cornea-the transparent convex membrane that forms the anterior portion of the eyeball’s fibrous tonaca-or in the shape of the lens.

Normally, the cornea the lens are smooth and have the same curvature in all directions, thus helping to focus at the back of the eye the light rays that strike the retina. However, if the cornea or lens is not smooth and evenly curved, light rays are not refracted properly. This is called refractive error. When the cornea is irregularly shaped, it is called corneal astigmatism; when there are lens changes, it is called lenticular astigmatism.

As a result of both types of astigmatism, vision appears blurred or distorted.

FEATURED SPECIALISTS

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Dott. Gaetano Trainito

active 5 years, 7 months ago

Ophthalmologists
- Via Emanuele Morselli 73 - Gela
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Dott. Vincenzo Cannemi

active 5 years, 7 months ago

Ophthalmologists

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Dr. Vincenzo Fisichella

active 5 years, 7 months ago

Ophthalmologists
- Via Roma 10 - Mirabella Imbaccari
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Dr. Angelo Appiotti

active 5 years, 7 months ago

Ophthalmologists
- Via Luigi Rizzo 8 - Milano
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Dr. Gianfranco Panarello Muscolino

active 5 years, 7 months ago

Ophthalmologists
- Viale Prassilla 41 - Roma
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Counteracting the development of myopia in children with light

To reduce the risk of developing myopia, children’s eyes should be exposed to both the bright bright light typical of a sunny day and the dim light found in dimly

Strabismus: an eye problem that is often hereditary

Strabismus a pathological condition that causes misalignment of the eyes, which are then found to be looking in two different directions to a greater or lesser degree. There are types

Viral and bacterial conjunctivitis: symptoms and remedies

Conjunctivitis can be of various natures, viral, bacterial, allergic; correct diagnosis is important for proper treatment to which effective natural remedies can be associated. Let’s look at the symptoms and

Maculopathy: causes, diagnosis and treatment

Maculopathy is a disease that affects the retina, to be exact its most important part for vision that is the central part, called the macula. This important region of the

Chronic stress also damages eyesight

According to research conducted by Bernhard Sabel, director of the Institute of Medical Psychology at the German University of Magdeburg and published in the EPMA Journal, stress is also bad

Cytomegalovirus infections in children

Because CMV can be detected in saliva, urine and other body fluids, the infection can be present in children without any apparent symptoms, being able to be transmitted unimpeded within the home and school communities.

Do you cry a lot? This is not a bad thing

There are many reasons why one may cry, and as is well known, they are not all bad or unpleasant, on the contrary. What is known somewhat less are the

Itchy eyes

Doctors and teachers once recommended to children that the eyes should not be crinkled with the hands but rather with the elbows, to emphasize the concept that theeye should be

Glaucoma: what it is, causes and warning symptoms

Glaucoma is a disease that affects the optic nerve and, if not treated properly, can even lead to blindness. Therefore, it is important to learn to recognize its premonitory symptoms.

Bad habits that make the Thyroid sick

This gland, when threatened by disturbing factors, reacts with dysfunctions that then spread throughout the body.

RELATED PATHOLOGIES

Astigmatism

Astigmatism is an imperfection in the curvature of the cornea-the transparent convex membrane that forms the anterior portion of the eyeball’s fibrous tonaca-or in the shape of the lens. Normally,

Myopia

Myopia is a refractive defect in which the image of distant objects is formed in front of the retina, rather than on the retina itself, making vision indistinct, while vision

Ocular tumors

Ocular tumors are rare neoplasms that can affect both adults and children and can significantly impair vision (to the point of blindness) and quality of life, as well as shorten

Conjunctivitis

Conjunctivitis are inflammatory conditions of the mucous membrane lining the inside of the eyelids, in contact with the eyeball. These are extremely common phenomena in the population of both sexes

Diabetic retinopathy

Diabetic retinopathy is an ocular condition in which there is progressive damage to the retina and subsequent gradual decline in visual acuity. It is one of the most feared complications

Strabismus

Strabismus is an ocular condition characterized by misalignment of the eyes and, therefore, of the left and right visual fields, which can occur in the first 6 months after birth

Uveitis

Uveitis is an ocular condition brought on by inflammation of the uvea, the tissue of the eye located beneath the sclera (white part of the eyeball), comprising the iris (central

Hypermetropia

Hypermetropia is an eye condition in which the eyeball is too short and does not allow proper focusing. In the farsighted eye, light rays from a distance are focused beyond

Keratitis

Keratitis is an ocular condition caused by inflammation of the cornea, the transparent membrane that lines the central anterior part of the eye, at the iris and pupil, and that

Degenerative maculopathy

Degenerative maculopathy is an irreversible disease that affects the macula, the central part of the retina. The result is a progressive loss of visual ability. There are two distinct forms

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Dr. Maurizio Giusti

active 5 years, 7 months ago

Ophthalmologists
- Via Monte Rosa 1 - Guidonia
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Dr. Giorgio Bailo

active 5 years, 7 months ago

Ophthalmologists
- Piazzale Dateo 2 - Milano
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Dr. Angelo Appiotti

active 5 years, 7 months ago

Ophthalmologists
- Via Luigi Rizzo 8 - Milano
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Dott. Andrea Fratalocchi

active 5 years, 7 months ago

Ophthalmologists
- Piazzale dell’Umanesimo 10 - Roma
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Dr. Vincenzo Fisichella

active 5 years, 7 months ago

Ophthalmologists
- Via Roma 10 - Mirabella Imbaccari
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RELATED SPECIALISTS

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Dott. Andrea Fratalocchi

active 5 years, 7 months ago

Ophthalmologists
- Piazzale dell’Umanesimo 10 - Roma
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Dr. Angelo Appiotti

active 5 years, 7 months ago

Ophthalmologists
- Via Luigi Rizzo 8 - Milano
phone
Dr. Vincenzo Fisichella

active 5 years, 7 months ago

Ophthalmologists
- Via Roma 10 - Mirabella Imbaccari
phone
Dr. Maurizio Giusti

active 5 years, 7 months ago

Ophthalmologists
- Via Monte Rosa 1 - Guidonia
phone
Dott.ssa Serena Telani

active 5 years, 7 months ago

Ophthalmologists
- Salita da Serro a Morego 9 - Genova
phone