stereoacuity


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stereoacuity

(stĕr″ē-ō-ă-kew′ĭt-ē)
The accuracy and sharpness of images acquired with binocular depth perception.
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Normative developmental values of Randot Stereoacuity in children and young adults.
01) were significantly related with poor stereoacuity.
They included NPC break and recovery, horizontal near phoria using the von Graefe prism dissociation method, horizontal near PFV and negative fusional vergence (NFV) ranges, vergence prism facility (with 12 prism diopter [[DELTA]] base-out [BO] and 3[DELTA] base-in [BI] prism flippers), and stereoacuity using the Titmus stereo test.
Besides the influence of visual acuity, the influence of stereoacuity on several motor tasks in children with unilateral VI ages 4 to 5 was examined by Hrisos, Clarke, Kelly, Henderson, and Wright (2006).
Other variables, such as mental status and visual status (acuity, contrast vision, stereoacuity, visual field sensitivity), similarly failed to show a strong relationship with accident risk.
Although an effective technique to improve range of focus, monovision reduces stereoacuity and contrast sensitivity and is not tolerated by around 10-20% of patients.
The clinical findings, exodeviation types, surgical ages, operation types, preoperative and postoperative deviation amounts, presence of anisometropia and amblyopia, presence of A- or V-pattern, and presence of binocular vision and stereoacuity of patients were evaluated.
Significant abnormalities were found for the following parame ters: near phoria, distance base-in prism break point, NPC break and recovery points, and Randot stereoacuity.
Participants underwent visual screening and were required to have a minimum Snellen acuity of 20/30 in each eye (either corrected or uncorrected) and a minimum stereoacuity of 145 of arc, as measured by a Multi-Stereo Test in a Keystone telebinocular.
In a study of 5,822 children aged 7-9, researchers from Bristol and Newcastle universities found eye symptoms in one in five children, with a slight increase in the prevalence of stereoacuity and fusion issues in those with dyslexia.
For example, the sensitive period for stereoacuity ends at 36 months [36], while the highly plastic period for the development of central auditory system close out at age 7 [37].