• Saccades and fixations in children with delayed reading skills. (nih.gov)
  • The fast movements are called saccades, and the periods when the eyes are still are called fixations (these usually last about a quarter of a second). (scitizen.com)
  • Readers extract the visual information that they require to read during fixations, and the precise patterns of fixations and saccades that people make when they read sentences can tell us a lot about the psychological processes underlying written language comprehension. (scitizen.com)
  • Also, they are more likely to make repeated fixations on tricky words or make saccades to look back and re-read portions of the text that were difficult to understand. (scitizen.com)
  • Results indicated that the average reading time by word, number of ocular fixations and number of regressive saccades, varied according to complexity and theme of texts. (bvsalud.org)
  • All subjects had some responses where the first saccade improved response symmetry, correcting an asymmetry brought about by unequal vergence movements in the two eyes. (unibe.ch)
  • An infrared eye-tracking device (Orbit) was used to analyse binocular fixation behaviour in 135 non-clinical participants aged 4-15 years. (nih.gov)
  • Reading fluency and comprehension is dependent on the strength of the visual skills - specifically, binocular vision, saccades, accommodation, visual fixation, and convergence. (optometrists.org)
  • The African claw frog Xenopus laevis has only crossed projections before the metamorphosis, thereafter it develops binocular vision and anterior extremities with claws. (wikipedia.org)
  • This work includes attention deficits in amblyopia, and the potential for binocular vision in individuals with age-related macular degeneration. (ski.org)
  • [ 112 ] Patients may be asymptomatic or may have transient blurred vision or diplopia with head turning or gaze-direction changes, which result from dysconjugate saccades and breaks in binocular fusion. (medscape.com)
  • Performed under the supervision of an eye doctor, vision therapy helps strengthen coordination between the brain and the rest of the visual system. (optometrists.org)
  • This indicates an issue with the vision skill known as saccades, which enables rapid eye movement across one or two focus points. (amplifyeye.care)
  • A number of vision issues can lead to poor handwriting, as this requires both the eyes being focused properly and hand-eye coordination. (amplifyeye.care)
  • Treatment is directed at restoring and maintaining ocular alignment, eliminating diplopia or visual confusion, enabling binocular vision, and restoring normal appearance. (symptoma.com)
  • Behind the cornea is the aqueous humour: a watery reservoir in both the anterior and posterior chambers, continuously filled and drained in a precise ballet of coordination to maintain intraocular pressure at 15 mm Hg above atmospheric pressure. (ishinobu.com)
  • Hand-eye coordination (also known as eye-hand coordination) is the coordinated motor control of eye movement with hand movement and the processing of visual input to guide reaching and grasping along with the use of proprioception of the hands to guide the eyes, a modality of multisensory integration. (wikipedia.org)
  • The EF hypothesis postulates that it has selective value to have short neural pathways between areas of the brain that receive visual information about the hand and the motor nuclei that control the coordination of the hand. (wikipedia.org)
  • In most subjects, the first saccade increased the asymmetry of the response, taking the eyes away from the midline position. (unibe.ch)
  • In five subjects, large symmetry-inducing saccades corrected an asymmetrical vergence response, bringing the eyes back to the midline (to within a few tenths of a degree). (unibe.ch)
  • Lack of coordination between the eye muscles causes such a condition to develop. (symptoma.com)
  • The classic Chronos Eye Tracker was deployed on the International Space Station (ISS) in early 2004 and is in continuous use for the study of eye and head coordination during long-term stays in the weightlessness of spaceflight. (cogain.org)
  • Hand-eye coordination has been studied in activities as diverse as the movement of solid objects such as wooden blocks, archery, sporting performance, music reading, computer gaming, copy-typing, and even tea-making. (wikipedia.org)
  • A series of eye movement responses to pure convergence stimuli (4.0 deg step stimuli) were measured in 12 subjects and the occurrence, timing and amplitude of saccades was measured. (unibe.ch)
  • While many of these asymmetry-inducing saccades showed saccade-like enhancements of vergence, they were, with the exception of two subjects, primarily divergent and did not facilitate the ongoing convergence movement. (unibe.ch)