منابع مشابه
Latent nystagmus: vestibular nystagmus with a twist.
BACKGROUND Latent nystagmus is a horizontal binocular oscillation that is evoked by unequal visual input to the 2 eyes. It develops primarily in humans with congenital esotropia. OBJECTIVE To investigate the interrelationship between latent and peripheral vestibular nystagmus and their corollary neuroanatomical pathways. METHODS Examination of subcortical neuroanatomical pathways producing ...
متن کاملLatent, manifest latent, and congenital nystagmus.
Manifest latent nystagmus (MLN) was identified in 31 patients by accurate eye movement records. All the patients had horizontal tropias, and the nystagmus fast phases were always in the direction of viewing eye. The slow phases of MLN are decreasing-velocity exponentials while those of the jerk form of congenital nystagmus (CN) are increasing velocity exponentials. Several subjects who were bel...
متن کاملLATENT NYSTAGMUS AND ALTERNATING HYPERPHORIAt
AMONGST 34,000 patients, 138 were found with congenital nystagmus, of whom at least twenty showed the form known as " latent nystagmus ". Of these, thirteen were classed as typical (Table). The nature and origin of this uncommon condition is a mystery. A curious fact was revealed in this study: all the patients with this form of nystagmus had another mysterious condition-alternating hyperphoria...
متن کاملLatent nystagmus and acquired pendular nystagmus masquerading as spasmus nutans.
SUMMARY We used ocular motility recordings to identify the characteristics of a rare combination of conjugate, horizontal jerk, and pendular nystagmus in a 9-year-old boy. The clinical diagnoses were amblyopia, left esotropia, congenital nystagmus, and an apparently uniocular pendular nystagmus that mimicked spasmus nutans. Ocular motility recordings revealed an unusual latent/manifest latent n...
متن کاملPursuit and optokinetic responses in latent/manifest latent nystagmus.
Abnormalities of foveal smooth pursuit and the monocular optokinetic response (OKR) have often been reported in subjects with latent nystagmus (LN) and manifest latent nystagmus (MLN). This abnormality typically takes the form of a monocular asymmetry with a deficit in the response to nasal-to-temporal (N-T) motion in the visual field. Previous studies have each presented different interpretati...
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ژورنال
عنوان ژورنال: Proceedings of the Royal Society of Medicine
سال: 1931
ISSN: 0035-9157
DOI: 10.1177/003591573102400535