Spectrum of Visual Dysfunction Detected by a Novel Testing Protocol Within a Special School Eye Care Service.

Introduction: Children with special educational needs are more likely to have vision problems than peers in mainstream education. Reports focus on visual acuity and refraction, overlooking visuoperceptual difficulties, including cerebral visual impairment. This article reports on the feasibility and outcomes of visual function testing performed during in-school visual assessments.

A Robust and Reliable Test to Measure Stereopsis in the Clinic.

Purpose: The purpose of this study was to develop a convenient test of stereopsis in the clinic that is both robust and reliable and capable of providing a measure of variability necessary to make valid comparisons between measurements obtained at different occasions or under different conditions.

Methods: Stereo acuity was measured based on principles derived from the laboratory measurement of stereopsis (i.e.