Darrell G Schlange

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Fragile X syndrome (fra X) is one of the most significant discoveries in the area of mental retardation in the past 2 decades. Although hundreds of articles and two text-books have been written on the subject, only two studies have been published in the ophthalmic literature. This paper provides a brief review of the syndrome and reports on the ocular(More)
Fragile X (fra[X]) syndrome is a newly discovered, but relatively common, genetic disorder with an estimated frequency of 1:1000. Several ocular dysfunctions may be associated with this syndrome, but there are few articles that fully report on these. A review of this genetic disorder is provided, as well as a discussion of a case review of a family with(More)
BACKGROUND Sensory integration dysfunction is a neurologic condition that can cause children to process environmental sensations in an inappropriate way. As a result, they may either seek out strong sensations or avoid even mild sensations. Some of the characteristics of these children may be hyperactivity, poor awareness of pain, high risk taking,(More)
BACKGROUND Brain injury caused by an arteriovenous malformation (AVM) hemorrhage is an uncommon occurrence in a teenager. An AVM is a congenital anomaly of unknown etiology, often described as a tangle of arteries and veins that may vary in length and width leading to a loss of capillary bed. The vessels can break down with time and cause hemorrhage or(More)
PURPOSE Dissociated horizontal deviation (DHD), a rare subtype of strabismus, is a change in horizontal eye alignment that does not obey Hering’s law. The variation is unrelated to a change in accommodation and depends on which eye is fixating. Both esotropia (ET) and exotropia (XT) can manifest in the same patient with DHD. Surgery has been reported to(More)
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