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In previous generations, when survival depended on the ability to hunt, fish, and farm, the visual system had to respond to constantly changing, distant stimuli. Good distance visual acuity and stereoscopic vision were of paramount importance. Today, the emphasis has shifted from distance to two-dimensional near vision
18 Jan 2018 Dear Editor,. We write you to present a 20-year-old man with resistant spasm of accommodation without any organic cause treated with clear lens extraction (CLE) with phacoemulsification and multifocal intraocular lens (IOL) implantation. Spasm of accommodation is a rare condition characterized by
Pediatric hemifacial spasm can be a sign of an intracranial tumor. We examined two females, ages 2 and 6 years, who presented with hemifacial spasm as an early sign of accommodative esotropia. Initial ophthalmologic examination disclosed high hyperopia without detectable esotropia. Both children developed an
Full-text (PDF) | There are conflicting and confusing ideas in literature on the different types of accommodative and vergence anomalies as different authors turn to classify Accommodative paralysis (subtype of accommodative insufficiency) and vergence anomalies – i.e., convergence paralysis, convergence spasm and
Abstract—Accommodative dysfunction in individuals with mild traumatic brain injury (mTBI) can have a negative impact on quality of life, functional abilities, and rehabilitative progress. In this study, we used a range of dynamic and static objective laboratory and clinical measurements of accommo- dation to assess 12 adult
F.C. Donders, On the anomalies of accommodation and refraction of the eye, edition Translated from the author's This PDF was made on 24 September 2010, from the 'Digital Library' of the Dutch History of Science Web Center (www.dwc.knaw.nl) . English, Freneh, and German writers, in accordance with whieh the.
ABSTRACT. Background: Brain injury as a result of moderate head trauma may result in the development of myopia and significant accommodative dysfunction for individuals who previously had no history of myopia prior to the head trauma. This combination of visual changes has not been studied to any significant degree.
A spasm of accommodation is a condition in which the ciliary muscle of the eye remains in a constant state of contraction. Normal accommodation allows the eye to "accommodate" for near-vision. However in a state of perpetual contraction, the ciliary muscle cannot relax when viewing distant objects. This causes vision to
The negative effect of extensive accommodation on the onset and the progression of myopia is known This book is dedicated to my wife Veronica and my children Nadine and Bernhard, whose shortsightedness caused me to write this book. Hopefully it will be helpful not only for them. .. Accommodation Spasm .
FUNCTIONAL spasm of accommodation was described by von Graefe (1856), and there are many case reports in of 21 attacks of accommodative spasm, as recurrences of the trouble have been frequent. Six patients have . as the "eye strainsunderneath it", but it enabled him to manage to write. He had started work as a
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