Clinical trials: Visual Perception
Tinea Capitis
Efficacy and Safety of Topical Amphotericin B Solution in Treatment of Resistant Tinea Capitis in Children 16 Years Old or Less we Follow up Cases Weekly up to 8 Weeks and Notice Improvement of Itching ,Scaling, and Hair Regrowth Then Fungal Culture Done to See if the Solution Working
The goal of this clinical trial is to learn if topical amphotericin b solution works to treat resistant cases of tinea capitis in children. It will also learn about the safety of drug.
- Trial name
- prospective (NCT06980493)
- Testing
- Amphotericine in liposome (Ambisome®)
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sohag University
Refractive Errors
Seeing to Learn in Sierra Leone
The main objective of the Sierra Leone Sees to Learn (SL2) trial is to assess the educational impact of providing free eyeglasses to students aged 9-20 years with uncorrected refractive error in Sierra Leone.
- Trial name
- SLII (NCT06065631)
- Testing
- Eyeglasses, Prescription slip
- Where
- Sierra Leone
- Volunteers
- 1,821 people
- Sponsor
- University of Minnesota
Dry Eye, Cataract
Effect of Dry Eye Treatment on Corneal Astigmatism Measurements
This prospective single-center study evaluates the effect of dry eye disease and short-term ocular surface treatment on the agreement and repeatability of corneal astigmatism measurements in patients with age-related cataract.
- Trial name
- NCT07657858
- Testing
- Sodium Hyaluronate Eye Drops
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Jin Yang
Conjunctivitis, Iritis
Screening for NEI Clinical Studies
This screening protocol is designed to facilitate patient recruitment to National Eye Institute (NEI) clinical research studies.
- Conditions
- Conjunctivitis, Iritis, Keratitis, Retinitis
- Trial name
- NCT00001734
- Where
- United States
- Volunteers
- 3,000 people
- Sponsor
- National Eye Institute (NEI)
Myopia
Safety and Effectiveness of CARE1.02 Spectacle Lens in Myopia Control
China is a major country in myopia, with the highest number of teenagers suffering from myopia. Controlling the progression of myopia and the related complications caused by axial elongation have clinical significance and social…
- Trial name
- NCT05818033
- Testing
- CARE1.02, Single-vision spectacle lens
- Where
- China
- Volunteers
- 796 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Amblyopia
Patching for Lazy Eye: Trial to Evaluate Daily Patching Amounts
Amblyopia ('lazy eye') is the commonest visual disorder of childhood and is caused by an interruption to visual development. Occlusion of the better eye by patching is the mainstay of treatment, so forcing use, of the affected…
- Trial name
- NCT00274664
- Testing
- 6 hours occlusion by patching, 12 hours occlusion by patching
- Where
- 2 sites in United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- City, University of London
Trachoma
Impact of Water and Health Education Programs on Trachoma and Ocular C. Trachomatis in Niger
There are no specific trials addressing the benefit of water provision and health education on prevalence of trachoma and infection with ocular Chlamydia trachomatis over time, despite considerable effort to provide water…
- Trial name
- NCT00348478
- Testing
- water and health education program to improve hygiene
- Where
- United States
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Glaucoma, Congenital Cataract
Glaucoma After Congenital Cataract Surgery
To determine the incidence of glaucoma following bilateral congenital cataract removal and estimate the associated risk factors in a large cohort to provide guidance for clinical practice.
- Trial name
- NCT04342052
- Where
- China
- Volunteers
- 351 people
- Sponsor
- Sun Yat-sen University
Visual Acuity
Evaluation of VisionQuest 20/20, a Visual Acuity Testing Software
This study involves the use of VisionQuest 20/20 which is a new software program to test visual acuity in children. The purpose of this study is to compare the results of VisionQuest 20/20 to two other ways to measure visual…
- Trial name
- NCT00366756
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Amblyopia, VEP
Possible Beneficial Effects Of Combined Fluoxetine And Occlusion Therapy In Improving And Maintaining Vision In Amblyopia Using Optical Coherence Tomography Angiography (OCTA) And Visual Evoked Potential (VEP). The Aim Of The Study Is To Evaluate Possible Beneficial Effects For Different Age Groups.
Amblyopia is described as a limitation of the visual function of one or both eyes with no pathological cause, with a prevalence of about 1-5% of the total world population.
- Trial name
- VA; OCTA; VEP; (NCT07417046)
- Testing
- Flouxetine, Patching therapy
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Minia University
V Pattern Esotropia, Monocular Exotropia With V Pattern
Correction of V-pattern Strabismus by Graded Recession of Inferior Oblique Muscle .
V pattern strabismus is the commonest of alphabet pattern. Its identification is essential to plan a proper surgical management. Graded recession is a very logical approach to treat inferior oblique overaction (IOOA).
- Trial name
- Pattern (NCT05786053)
- Testing
- graded recession of inferior oblique muscle
- Where
- 2 sites in Egypt
- Volunteers
- 40 people
- Sponsor
- Tanta University
Strabismus, Reflex, Oculocardiac
Hydroxyzine Dihydrochloride Premedication is a Necessity for Strabismus Surgery
Oculocardiac reflex (OCR) is usually happening in pediatric strabismus surgery and observed just when the surgent pulls the ocular muscles.
- Conditions
- Strabismus, Reflex, Oculocardiac, Hydroxyzine, Bradycardia Sinus
- Trial name
- NCT03806270
- Testing
- Midazolam, Hydroxyzine Dihydrochloride
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 45 people
- Sponsor
- Yeditepe University
Intellectual Disabilities
Reading Intervention for Children With Intellectual Disabilities Who Require Augmentative and Alternative Communication
The goal of this multiple single case study with multiple randomized baseline (with four starting points and 18 measurements across time) is to conduct a reading intervention for 40 children with intellectual disabilities who…
- Trial name
- NCT05709405
- Testing
- Reading intervention
- Where
- 2 sites in Norway
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ostfold University College
Adolescents and Children, Axial Elongation
Naked Eye 3D Vision Training for the Prevention and Control of Myopia in Adolescents and Children
The study used children aged 6-18 as subjects to evaluate the efficacy and safety of naked eye 3D vision training for the prevention and control of myopia in adolescents.
- Conditions
- Adolescents and Children, Axial Elongation, Naked Eye 3D Vision Training, Visual Function
- Trial name
- NCT05468775
- Testing
- Naked eye 3D vision training
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Glaucoma, Dry Eyes
Pilot Study on the Use of Artificial Tears to Treat Dry Eye in Glaucoma Patients
Research indicates that many people who are being treated for glaucoma have dry eyes. The purpose of this study is to test the use of artificial tears to alleviate dryness signs and symptoms in people who are using medication to…
- Trial name
- IVES (NCT01682460)
- Testing
- Refresh Tears Lubricant Eye Drops (Allergan)
- Where
- Canada
- Volunteers
- 15 people
- Sponsor
- University of Waterloo
Child Development, Art Therapy
The Effect of Painting Therapy in Children
This study was designed to examine the effect of picture supported art therapy on visual perception, hand functions, participation and quality of life of children in healthy children.
- Trial name
- NCT06754449
- Testing
- Art therapy group
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Çankırı Karatekin University
Wolfram Syndrome, Fecal Incontinence
Mechanisms of Fecal Incontinence in Wolfram Syndrome
In order to clarify the mechanism of fecal incontinence in in Wolfram syndrome and to characterize its risk factors, the examiner will reviewed the files of patients followed in a Reference Center for Rare Diseases in…
- Trial name
- NCT07313085
- Testing
- Retrospective case-control analysis
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Hôpital Necker-Enfants Malades
Visual Impairment and Blindness (Excl Colour Blindness)
A Trial of Tai Chi Intervention for Youngsters with Visual Impairments
Investigators conducted a single-blind, randomized trial of Taijiquan exercise as compared with a control intervention consisting of wellness education and jogging for youngsters with visual impairments.
- Trial name
- NCT06450340
- Testing
- Moderate-intensity aerobic exercise refers to rhythmic and long-lasting exercise with increased heart rate, slight sweating and slight wheezing.
- Where
- China
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Yanyun Zhang
Ankle Inversion Sprain, Ankle Injuries
The Effects of Combined Neuro-vestibular-ocular Exercises and Myofascial Release on Proprioception and Performance in Soccer Players With Chronic Ankle Instability
Chronic ankle instability was first defined by Freeman as recurrent ankle sprains following an ankle sprain and the feeling of dislocation in the ankle lasting longer than six months.
- Trial name
- NCT05799885
- Testing
- Neuro-vestibular-ocular group, Myofascial Release group
- Where
- Turkey (Türkiye)
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Hemispatial Neglect
Musical Neglect Training for Patients With Visual Neglect
Music Neglect Training has been developed for patients with hemispatial neglect to improve their attention on the left side. The purpose of this study was to examine the immediate and carry-over effect of Musical Neglect Training…
- Trial name
- NCT03516825
- Testing
- Musical Neglect Training
- Volunteers
- 2 people
- Sponsor
- University of Toronto