Microspherophakia-metaphyseal dysplasia syndrome

Microspherophakia-metaphyseal dysplasia syndrome (also known as metaphyseal dysplasia with microspherophakia) is an extremely rare genetic disorder characterized by the combination of ocular abnormalities and skeletal anomalies. The condition primarily affects the eyes and the skeletal system. Microspherophakia refers to a small, spherically shaped lens of the eye, which can lead to significant visual problems including severe myopia (nearsightedness), lens subluxation (partial dislocation of the lens), and secondary glaucoma due to pupillary block. The skeletal component involves metaphyseal dysplasia, which is an abnormality in the growth regions (metaphyses) of long bones, potentially leading to short stature and characteristic radiographic findings in the limbs. The condition has been described in only a small number of families in the medical literature. Affected individuals may present in childhood with visual difficulties and skeletal abnormalities that become apparent on radiographic evaluation. Additional features that have been reported include brachydactyly (short fingers) and joint stiffness. Management is primarily symptomatic and supportive. Ophthalmologic care is essential and may include corrective lenses, monitoring for glaucoma, and surgical intervention if lens subluxation or glaucoma becomes problematic. Orthopedic follow-up may be needed to monitor skeletal growth and development. There is currently no specific curative treatment for this syndrome, and care focuses on addressing individual symptoms as they arise.

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