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We list hundreds of Clinical Trials about "Adjustable glasses Custom standard glasses Ready made glasses" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Two-month randomized trial comparing three groups: (November 2015 - January 2016).
Purpose of this study is to compare the ocular functional changes including pupil size, visual acuity, depth of focus, accommodative amplitude, visual field, contrast sensitivity, and stereopsis induced by multiple and single pinhole glasses, in addition, to check reading speed and survey for ocular discomfort after using both pinhole glasses.
This study is designed to evaluate the effectiveness of a novel amblyopia treatment - Intermittent occlusion therapy (IO-therapy) glasses (AmblyzTM) in treating severe amblyopia. Children ages 3 to 8 years with severe amblyopia (visual acuity of 20/100 to 20/400 in the amblyopic eye) will be enrolled and randomized into two groups: 1) standard 6-hour patching group or 2) 12-hour IO-therapy glasses group.
This project is designed to test a lightweight, portable, computerized pair of glasses that will help reduce some of the cognitive deficits seen in patients who have suffered damage to their right cerebral hemisphere.
Non-pharmacological interventional pilot study on the effect of prismatic glasses for the improvement of Pisa syndrome in Parkinson's disease. The study involves 40 patients, of whom 20 receive active treatment and 20 slow placebo. At the end of the study, all patients receive corrective lenses in compassionate use if the study yields positive results.
This study is designed to answer the question: What if the Intermittent Occlusion (IO-therapy) glasses were prescribed all day (12-hours) in which the total time of treatment only took 4 weeks instead of the current treatment time (4 hours) in which it takes 12 weeks? Children aged 3- to 8-years with untreated moderate unilateral amblyopia will be enrolled and randomized into 2 groups: 1) Intense 12-hour IO-therapy Group for 4 weeks treatment; or 2) Standard 4-hour IO-th...
At the Aravind Eye Hospital (AEH) in Madurai, India, patients ages 18-40 receiving treatment for refractive error who choose to enroll in the study will be evaluated using subjective refraction and objective refraction, by way of the QuickSee autorefractor. Patients will then be randomized into one of two treatment plans: receive glasses from objective measure first then subjective measure second, and vice versa. After one week of wearing the first pair of glasses, patient pref...
This is a study to investigate efficacy of over-glasses patch treatment for amblyopic children using visual function improvement and Amblyopia Treatment Index (ATI) changes.
Chinese children are some of the most short-sighted in the world, but only one in five children in poor areas who needs glasses has them. Our team has already shown in other trials that giving children free glasses leads to better grades and that free glasses have a bigger impact on grades than factors like parents' education level and the amount of money a family has. The effect on grades from glasses is greater than from other health services in school, like giving vitamins. ...
An open-label study to evaluate the effect of SpotOn balance glasses in non-demented Parkinson's patients with balance disorders.
The purpose of this study was to compare the outcomes of medical augmented reality glasses and general monitors when distinguishing mucosal lesions from submucosal lesions in endoscopic diagnosis for early gastric cancer.
This study evaluates the effect of binasal occlusion (BNO) glasses on balance and eye movement in adults with dizziness after a concussion. Participants will stand on a force plate while rapidly reading a series of numbers both with and without the BNO glasses. It is thought that the BNO glasses will improve both balance and the time to read the numbers.
Investigators aimed to explore the feasibility of smart glasses connected to a wireless ultrasound transducer for the peripheral venous access. Residents who have basic skills of ultrasound guided procedure participate in the simulation. Each participant plays the following two roles for ultrasound guided peripheral venous access; ultrasound guided peripheral venous access with and without wearing smart glasses. The order of performing two roles is determined by a randomized pr...
The purpose of this study is to demonstrate whether, in patients diagnosed with Vertical Heterophoria, the symptoms of dizziness, headache and / or anxiety are reduced or eliminated when a kind of correction called vertical prism is added to the patient's normal eye glass prescription. The experiment will involve giving the patient two pairs of glasses (one pair containing the baseline prescription with vertical prism (Standard Treatment Glasses) and the other pair cont...
Decades of psychological research has highlighted the impact of visual perception on mood and happiness. The investigators hypothesized that literally seeing the world through rose colored glasses may have an effect on perception, mood, and happiness. After cataract surgery, which classically increases the vividness of perceived colors, patients report significant satisfaction. The investigators therefore sought to explore whether using pink colored lenses leads to a measurable...
This trial is designed to evaluate the efficacy of walnut shell glasses moxibustion for dry eye syndrome compared with sodium hyaluronate eye drops.
The aim of the study is to evaluate the efficacy of virtual reality glasses on anxiety of the patients who underwent operations under spinal anesthesia during peroperative period. Both control group and VR group will be carry out STAI- Traıt anxiety test before operation and trait test after operation. Patients will be perform spinal anesthesia after standard sedation administration. After block reach adequate level for operation patients in VR group will wear the glasses and ...
Recent studies have shown children who sustain a concussion are susceptible to having chronic symptoms (post-concussion syndrome). This chronicity can lead to delays in returning to learn and returning to play. Blurry vision, double vision, eye strain and eye tracking problems are some of the reported chronic symptoms that can affect patients' daily activities. Concussion awareness has increased recently and there is a surge of interest to better understand and treat the sympto...
Purpose: To determine whether the use of reading glasses blocks the near work mediated increased incidence of myopia in healthy school children. Methods: SMART enrolled 115 emmetropic children (ages 7-9 years). The children were recruited in the Principality of Liechtenstein. They were randomly assigned to either the control group (n=52) or to receive reading glasses with a lens power of +2.0 dioptres (n=63). The primary outcome measure was progression towards my...
We wish to evaluate a potential training program for patients with glaucoma, to become more efficient users of prescribed low vision devices for distance and near vision tasks. We hypothesize that the devices will improve efficiency. Prescribed devices will include a stand magnifier, a handheld magnifier, spectacle magnifiers for near vision, and a handheld monocular (telescope) and a bioptic telescope (spectacle-mounted telescope) for distance vision. The success of being able...
The purpose for this study is to investigate spectacle compliance and treatment outcome in bilateral and unilateral refractive amblyopia in children age 3 to
The aim of this study is to determine whether the use of virtual reality glasses showing an immersive video simulation of the dental visit will help decrease anxiety at future appointments by decreasing the element of surprise and increasing the patient's familiarity and comfort level with a specific dental practice environment.
The purpose of the study is to test the use of amber glasses at night as a method to block blue light from the eye, allowing the brain to produce a dim-light melatonin onset. The investigators hypothesize that blue-blocking will produce measurable benefits in subjectively and objectively rated sleep quality and mood as well as salivary melatonin levels during the night.
The aim of this study is to investigate the effect of neuromuscular training on balance by using stroboscopic glasses in athletes with chronic ankle instability.
Infants do not usually wear glasses because they usually do not need them to see clearly. Most infants are born with a moderate amount of farsightedness. Most infants then undergo a natural process called 'emmetropization' that reduces the amount of farsightedness. However, up to 10% of infants don't emmetropize and end up with very farsighted prescriptions. Farsighted infants must use extra focusing effort to see clearly, which may make their eyes cross and perhaps cause a "la...