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19 Possible Causes for Nystagmus Decreases on Convergence, Pendular Nystagmus

  • Hereditary Nystagmus

    Nystagmus may also be pendular or, when vision is very poor, of a searching type.[medical-dictionary.thefreedictionary.com] Nystagmus may decrease when the eyes converge to read.[lowvision.org] […] intensity decreases when converging to view near objects in around 44% of individuals with IN. 8,12 However, there is no significant improvement in near VA at this time,[dovepress.com]

  • Nystagmus

    ; Pendular Nystagmus; Acquired Pendular Nystagmus; Left Beat Nystagmus Creator John R.[content.lib.utah.edu] For other students, the null point may be when the eyes point up or down or to one side nystagmus will decrease as the eyes converge to look at a close object nystagmus will[svrc.vic.edu.au] Nystagmus may decrease when the eyes converge to read.[biopticdrivingusa.com]

  • Spasmus Nutans

    Ocular motility recordings revealed an unusual latent/manifest latent nystagmus, pendular nystagmus with characteristics of an acquired nystagmus, and uniocular saccades.[ncbi.nlm.nih.gov] […] intensity decreases when converging to view near objects in around 44% of individuals with IN. 8,12 However, there is no significant improvement in near VA at this time,[dovepress.com] It decreases when the child's eyes converge or move inward.[healthofchildren.com]

  • Autosomal Dominant Congenital Nystagmus 3

    Associated with congenital blindness. optokinetic nystagmus nystagmus induced by looking at objects moving across the field of vision. oscillatory nystagmus pendular nystagmus[medical-dictionary.thefreedictionary.com] Clinical Characteristics Ocular Features: The nystagmus is horizontal in type and accentuated by fixation and decreased by convergence.[disorders.eyes.arizona.edu] SPONTANEOUS NYSTAGMUS Vestibular imbalance nystagmus Acquired pendular nystagmus Horizontal Vertical See-saw Congenital Nystagmus Latent nystagmus (LN) Pendular type Jerk[tchain.com]

  • Convergence Nystagmus

    We describe four cases of acquired convergence -evoked pendular nystagmus in patients with multiple sclerosis .[journals.lww.com] The nystagmus decreases on convergence but increases on covering one eye. There may be abnormal eye posture in an attempt to keep the eyes in the null point.[mrcophth.com] Nystagmus velocity clearly was decreased by as little as 10 of convergence. Alteration of accommodative effort had no effect on nystagmus intensity.[healio.com]

  • Brain Stem Infarction

    Midbrain/Thalamic hemorrahages Movie of mixed jerk torsion and shimmering pendular (9 meg) Midbrain hemorrhages can cause very devastating nystagmus, often with twisting eye[dizziness-and-balance.com] […] palsy, or convergence-retraction nystagmus.[emedicine.medscape.com] In the patient whose images are shown above, there is a very rapid but small amplitude horizontal nystagmus, apparently pendular, not always present, superimposed on a constantly[dizziness-and-balance.com]

  • Hereditary Spastic Paraplegia

    Pendular nystagmus (PN) has been reported in some subtypes of HSP caused by PLP1 (SPG2) or paraplegin (SPG7) mutation.[ncbi.nlm.nih.gov] It presents in the first year (often months) of life with characteristic pendular nystagmus (never seen in CP), notable involuntary movements (choreoathetosis), a spastic[adc.bmj.com] The nystagmus diminished briefly after blinks and horizontal saccades, and decreased during eccentric gaze and convergence.[ncbi.nlm.nih.gov]

  • Infantile Periodic Alternating Nystagmus

    All four family members showed EMR abnormalities with infantile jerk/dual jerk and pendular nystagmus waveforms.[ncbi.nlm.nih.gov] All patients showed gaze-evoked nystagmus (GEN) and reversed optokinetic nystagmus. In 2 patients (patient 1 and 4), the nystagmus decreased on convergence.[nature.com] Trihexyphenidyl treatment of vertical pendular nystagmus [11].[wikigenes.org]

  • Vestibular Nystagmus

    N3 The two main types of nystagmus, jerk and pendular[medical-dictionary.thefreedictionary.com] Infantile (Congenital) Nystagmus • Conjugate, rarely rotary or vertical • Jerk or Pendular • Null point • Decrease with convergence • Increases with fixation • Reversal of[slideshare.net] Nystagmus velocity clearly was decreased by as little as 10 of convergence. Alteration of accommodative effort had no effect on nystagmus intensity.[healio.com]

  • Autosomal Dominant Congenital Nystagmus 7

    Affiliated tissues include eye and brain, and related phenotype is horizontal pendular nystagmus.[malacards.org] Clinical Characteristics Ocular Features: The nystagmus is horizontal in type and accentuated by fixation and decreased by convergence.[disorders.eyes.arizona.edu] Congenital nystagmus remains horizontal in vertical gaze and usually is decreased at near with convergence.[medtextfree.wordpress.com]

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