Ophthalmology

FDA approves first contact lens that slows myopia progression

(HealthDay)—MiSight, the first contact lens indicated to slow the progression of myopia in children ages 8 to 12 years, has been approved by the U.S. Food and Drug Administration, the agency announced Friday.

Ophthalmology

New approach to slowing nearsightedness in children shows promise

Combining two different treatment methods to slow the progression of myopia may deliver better results than either can achieve on their own. A new, two-year study shows that treating children with eye drops and contact lenses ...

Ophthalmology

EMR data can predict myopia development

(HealthDay)—Big data and machine learning approaches can improve prediction of myopia in Chinese children, according to a study published online Nov. 6 in PLOS Medicine.

Ophthalmology

Gene changes driving myopia reveal new focus for drug development

Myopia (nearsightedness) and hyperopia (farsightedness) develop through different molecular pathways, according to a new study publishing October 9 in the open-access journal PLOS Biology by Andrei Tkatchenko of Columbia ...

Ophthalmology

High incidence of myopia among chinese schoolchildren

(HealthDay)—The incidence of myopia among Chinese students may be as high as 20 to 30 percent each year from first grade onward, according to a study published online July 5 in JAMA Ophthalmology.

Genetics

161 genetic factors for myopia identified

The international Consortium for Refractive Error and Myopia (CREAM) recently published the largest-ever genetic study of myopia in Nature Genetics. Researchers from the Gutenberg Health Study at the Medical Center of Johannes ...

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Myopia

Myopia (Greek: μυωπία, muōpia, "nearsightedness" (AmE), "shortsightedness" (BrE)) is a refractive defect of the eye in which collimated light produces image focus in front of the retina under conditions of accommodation. In simpler terms, myopia is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it. This causes the image that one sees when looking at a distant object to be out of focus but in focus when looking at a close object.

Eye care professionals most commonly correct myopia through the use of corrective lenses, such as glasses or contact lenses. It may also be corrected by refractive surgery, though there are cases of associated side effects. The corrective lenses have a negative optical power (i.e. are concave) which compensates for the excessive positive diopters of the myopic eye. Myopia is partly hereditary.

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