Ectopia

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Related to ectopia lentis: Ectopia Lentis et Pupillae

ectopia

[ek′tōp·ē·ə]
(medicine)
A congenital or acquired positional abnormality of an organ or other part of thebody.

Ectopia

 

displacement of an organ into an adjacent body cavity or to the exterior. Ectopia may occur as a birth defect (anomaly of development) or as a result of injury to the walls of a cavity. Examples include ectopia of the urinary bladder to the exterior in case of partial closure of the anterior abdominal wall, ectopia of the spleen into the pleural cavity in case of hernia or traumatic rupture of the diaphragm, and hereditary ectopia lends, displacement of the crystalline lens of the eye.

Some types of ectopia are fatal, for example, ectopia cordis, congenital displacement of the heart outside the chest wall. Other types of ectopia can be corrected surgically.

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References in periodicals archive ?
1, IOP = normal 1st daughter Iridgdonesis, Flat Two pregnancy without cornea Ectopia lentis, CMH complication BCVA = 0.
Eyes with ectopia lentis having zonular weakness more than 180 degrees and subluxated lenses due to buphthalmos were excluded from the study.
3%) eyes had ectopia lentis due to Marfan's syndrome and 01 (3%) eye had traumatic lens subluxation.
Most of them had lens dislocation, high intra-ocular pressure, ectopia lentis and severe ophthalmic complications like vitreous hemorrhage and retina detachment with vision for only hand movements or light perception (Table II).
In addition to ectopia lentis, homocystinuria and Marfan syndrome share other common clinical findings, such as long-bone overgrowth, a high arched palate, a crowded dentition, and scoliosis.
3) About one-half of patients with Marfan syndrome have ectopia lentis (dislocated lens).
A specific test result from a sterile catheterized urine specimen can rule out Marfan's syndrome when ectopia lentis is present.
Phacomorphic glaucoma and glaucoma secondary to ectopia lentis are types with closed angle.
In this paper, anterior segment eye diseases of genetic origin are reviewed, and aniridia, anterior segment dysgenesis, glaucoma, corneal dystrophies, cataract, ectopia lentis, myopia, and other refractive errors are covered.