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Aniridia - A congenital abnormality in which there is only a rudimentary iris. This is due to the failure of the optic cup to grow. Aniridia also occurs in a hereditary form, usually autosomal dominant. |
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Anophthalmos - Congenital absence of the eye or eyes. |
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Blepharophimosis - The abnormal narrowness of the palpebral fissure in the horizontal direction caused by the lateral displacement of the medial canthi of the eyelids. (Dorland, 27th ed) |
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Coloboma - Congenital anomaly in which some of the structures of the eye are absent due to incomplete fusion of the fetal intraocular fissure during gestation. |
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Ectopia Lentis - Congenital displacement of the lens resulting from defective zonule formation. |
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Hydrophthalmos - Congenital open-angle glaucoma that results from dysgenesis of the angle structures accompanied by increased intraocular pressure and enlargement of the eye. Treatment is both medical and surgical. |
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Microphthalmos - Congenital or developmental anomaly in which the eyeballs are abnormally small. |
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Retinal Dysplasia - Congenital, often bilateral, retinal abnormality characterized by the arrangement of outer nuclear retinal cells in a palisading or radiating pattern surrounding a central ocular space. This disorder is sometimes hereditary. |
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