Some research reports suggest that visual anomalies may have a causative role in dyslexia,
and on this basis certain forms of therapy have been proposed. Recently, we have …

Purpose The study was designed to determine the prevalence of vergence dysfunctions
among first year university students in Nigeria and to document the measures that define the …

We measured stereoacuity in 41 subjects with normal Snellen acuity in each eye, and
normal ocular health. Patients were measured in each of the age ranges 21–28, 41–49, 51 …

Three experiments investigated whether and to what extent increases in age affect the
functionality of stereopsis. The observers' ages ranged from 18 to 83 years. The overall goal …

Introduction Although diplopia is considered a frequent symptom of Parkinson's disease
(PD), little is known about its clinical manifestation, associated mechanisms and treatment …

People with some signs of binocular dysfunctioning can be susceptible to visual complaints
associated with viewing stereoscopic content at large viewing distances. Two performance …

Diplopia is sometimes reported by patients with Parkinson's disease (PD) without apparent
oculomotor disorders. We assessed clinical features and associated oculomotor and …

Purpose. Although the treatment of symptomatic convergence insufficiency (CI) with base-in
(BI) prism in adults has a strong theoretical foundation, there have been very few studies …

Purpose: The purpose of this study was to determine the effect on measurements of the
nearpoint of convergence (NPC) of different target types. In order to assess the influence of …

Distance and near readings of associated heterophoria were taken, using standard Mallett
units, on 500 patients passing consecutively through an optometric practice and any …