View clinical trials related to Binocular Vision Disorder.
Filter by:Implantable collamer lens (ICL) is one of the most effective operation for high myopia. Due to refractive correction changed, and prism effect of the spectacle removed, in the early stage after ICL implantation, binocular function might be dysfunction, leading to asthenopia, blurred vision, double vision and so on. This study will recruit the high myopia subjects that scheduled for ICL implantation, purpose to investigate the binocular vision alternations and brain activation that impacted by ICL implantation.
The aim of this interventional, cross-sectional study is to evaluate the performance and the safety of the medical device software S360. This clinical investigation is performed in order to demonstrate the conformity of the medical device, when operating under the normal conditions of its intended use, in accordance with the General Safety and Performance Requirements pertaining to clinical evaluation of the device regarding the Medical Device Regulation (MDR) 2017/745 (EU).
A vision therapy protocol for vergence ability is mentioned. The purpose of this study is to evaluate objectively the change in the vergence responses of binocular and accommodative normal subjects after performing a classic vision therapy protocol. This study is an interventional, cross-over, and randomized study.
To understand the benefits of the neurolens Measurement Device and neurolens treatment as it pertains to treating symptoms related to Convergence Insufficiency. It is a Prospective randomized double masked two arm performed on a minimum of 100 to a maximum of 150 subjects identified as symptomatic (CISS questionnaire score equal to or greater than 16) done across 3-10 clinical sites. There are two subgroups: a minimum of 50 in each subgroup(subgroup 1: pre-presbyopic (18-40 years); subgroup 2: presbyopic subjects(41-60 years).
To understand the benefits of the neurolens Measurement Device and neurolens treatment as it pertains to treating symptoms related to Chronic Headaches. It is a Prospective randomized double masked two arm performed on a minimum of 200 to a maximum of 300 subjects identified as symptomatic (HIT-6 questionnaire score equal to or greater than 56) done across 3-15 clinical sites. There are two subgroups: a minimum of 100 in each subgroup (subgroup 1: pre-presbyopic (18-40 years); subgroup 2: presbyopic subjects (41-60 years).
The purpose of this study is to test whether a binocular treatment can improve vision and motor function in young children with amblyopia. The proposed treatment is an animation series that has been modified so that different characters in the animation are presented to each eye. The contrast of the images shown to the amblyopic eye is higher than the contrast of the images shown to the fellow eye. The aim of the treatment is to promote co-operation between the two eyes and improve visual and motor outcomes. We will compare the benefits of this binocular treatment to patching, whereby the better eye is occluded with an eye patch for two hours per day to force the usage of the weaker eye. We hypothesize that the binocular treatment will improve vision and motor outcomes in young children with amblyopia, and that these improvements will be superior to any effects of patching.
The investigators will re-investigate 150 children studied extensively in the past. 100 of these children were born to mothers prescribed methadone during their pregnancy because of opiate dependency, and 50 were comparison children who were not exposed to drugs. These children were investigated when they were newborn babies, and again when they were six months old, and a quarter of the drug-exposed babies had problems with their eyesight, whilst very few of the comparison children has eyesight problems. The investigators would like to see whether the eyesight problems are still present in the children now that they are older. Because they are older, more detailed testing can be undertaken which will help to understand how drug exposure in the womb may have affected their eyesight. The investigators will recruit new, comparison children to the study to match the number of comparison children with the number of drug-exposed children. The findings will be relevant and important when advising mothers on drug use - both prescribed and illicit - when they are pregnant.
There are indications in the literature that binocular vision disorders may occur after cataract and corneal refractive surgery. It is not clear whether these problems are new or represent decompensation of previously existing conditions. However, the following significant study limitations exist in the current literature: 1) lack of attention to non-strabismic binocular vision disorders, 2) incomplete binocular vision assessment, 3) a validated symptom survey was not used, 4) diplopia was typically the only symptom studied, 5) retrospective study design, and 6) in the few prospective studies the sample sizes were small. Given the limitations in the current literature there is a need for further study of the prevalence and significance of binocular vision problems after cataract surgery and binocular vision and accommodative problems after corneal refractive surgery. This study aims to determine whether there is an increase in the prevalence of binocular vision problems after cataract surgery and accommodative and binocular vision disorders after refractive surgery.
This clinical trials aims to evaluate Tests Performance on a New Digital Orthoptic Platform.
The purposes of the CITT are: - To determine whether Home-based Pencil Push-up therapy, Home-based Pencil Push-ups with Computer Vision Therapy/Orthoptics or Office-based VT/Orthoptics more effective than placebo treatment, and whether there are differences between the three treatments in improving subject symptoms and signs. - To evaluate whether improvements in outcome measures are still present after one year of observation.