Clinical trials: Myopia
Myopia
Myopia Control by Combining Auricular Acupoint and Atropine Eyedrops
This study was designed to compare the difference of using atropine eyedrops alone from atropine combined with the stimulation of auricular acupoints therapy in reducing myopia progression.
- Trial name
- NCT00457717
- Testing
- 0.25 % atropine, 0.5 % atropine, 0.25 % atropine+auricular acupoints
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- China Medical University, China
Myopia
Investigation of the Clinical Performance of Silicone Hydrogel Contact Lenses During Continuous Wear
The primary purpose of this study is to investigate the clinical performance of a new silicone hydrogel contact lens during continuous wear (up to 30 nights) over a period of 24 months.
- Trial name
- NCT00346593
- Testing
- Silicone hydrogel contact lens
- Where
- Australia
- Sponsor
- University of Melbourne
Myopia
The Effect of Final Exam Preparation on Anxiety Level, Self-Perception, Ocular Symptoms, Accommodation and Vergence in Myopia
To evaluate the effects of exam preparation on anxiety level, self perception, ocular symptoms and oculomotor responses in myopes
- Trial name
- NCT00405106
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Myopia
A Comparison of PRK and LASIK for Correction of Myopia
The study compares the precision and accuracy of two laser refractive techniques, PRK and LASIK, for correction of nearsightedness between -6 and -8 diopters.
- Trial name
- NCT00404105
- Testing
- PRK, LASIK
- Where
- Denmark
- Volunteers
- 40 people
- Sponsor
- University of Aarhus
Myopia
Efficacy of LASIK Versus PRK in Asians With Mild and Moderate Myopia
Laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK) are currently the 2 main refractive surgeries to correct myopia which are being performed worldwide, with more patients preferring LASIK to PRK because of…
- Trial name
- NCT00348049
- Testing
- Laser in Situ Keratomileusis (LASIK), Photorefractive Keratectomy (PRK)
- Where
- Singapore
- Sponsor
- Singapore National Eye Centre
Myopia
Cambridge Anti-Myopia Trial: Accommodation Training and Aberration Control in Myopia Development
We have identified focussing problems related to myopia getting worse. Our trial uses optical and orthoptic interventions that correct the focussing problems to see if this retards myopia progression.
- Trial name
- NCT00317551
- Testing
- Aberration controlled contact lens, Vision training
- Where
- United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Myopia, Astigmatism
Comparison of a Laser Keratome to a Mechanical Microkeratome
The purpose of this study was to evaluate the performance of the INTRALASE®, a laser keratome which creates a corneal flap, and compare it to a mechanical microkeratome (Amadeus™).
- Conditions
- Myopia, Astigmatism, Myopic Astigmatism
- Trial name
- NCT00366574
- Testing
- Amadeus Microkeratome, IntraLase
- Volunteers
- 20 people
- Sponsor
- Medical University of South Carolina
Myopia, Astigmatism
Evaluation of Visual Outcomes After Myopic LASIK
The aim of the study was to evaluate visual outcomes, contrast sensitivity, glare testing and high order aberrations induced by different laser technologies and to evaluate differences in aberrometer technology.
- Conditions
- Myopia, Astigmatism, Myopic Astigmatism
- Trial name
- NCT00366743
- Testing
- Conventional LASIK, Wavefront-guided LASIK
- Volunteers
- 120 people
- Sponsor
- Medical University of South Carolina
Myopia, Astigmatism
Evaluation of Outcomes Following LASIK Surgery Using CustomVue
The aim of the study was to evaluate visual outcomes, contrast sensitivity, glare and induced high order aberrations induced by the new CustomVue software use for wavefront-guided LASIK.
- Conditions
- Myopia, Astigmatism, Myopic Astigmatism
- Trial name
- NCT00366769
- Testing
- Wavefront-guided LASIK using CustomVue platform
- Volunteers
- 30 people
- Sponsor
- Medical University of South Carolina
Refractive Errors
Customized PRK With Mitomycin Versus Customized Lasik for Myopic Astigmatism
The present study was designed to compare the use of mitomycin in PRK for the treatment of refractive errors and to compare these results to customized Lasik
- Trial name
- NCT00365040
- Testing
- Prk with mitomycin vs Lasik
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Myopia
Effects of Contact Lens Care Regimens on the Corneal Epithelium
The purpose of this study is to compare the performance of two different contact lens care solutions, specifically their affects on the front surface of the eye.
- Trial name
- NCT00349882
- Testing
- soft contact lens, Marketed multipurpose disinfection regimen
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- University of Waterloo
Myopia, Hyperopia
Comparison of Acular LS Versus Nevanac for Pain Control in Eyes Undergoing PRK
To determine the ability of two topical Nonsteroidal Anti-inflammatory drops (Acular LS \& Nevanac) to help control pain following Photorefractive Keratectomy (PRK).
- Trial name
- NCT00347204
- Testing
- ketorolac (Acular LS), Nepafenac (Nevanac)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Center For Excellence In Eye Care
Myopia
Myopia Progression and the Effect of 7-Methylxanthine
7-methylxanthine has been shown to increase the concentration and thickness of collagen fibrils in rabbit sclera. Deficient collagen in the sclera may be the cause of progression of childhood myopia.
- Trial name
- NCT00263471
- Testing
- 7-methylxanthine
- Volunteers
- 90 people
- Sponsor
- Trier Research Laboratories
Myopia
Aberration-Free Refraction Correction
In the interest of improving visual quality after LASIK we have designed a multifaceted study to test the theoretical, physical, biomechanical and functional effects of commercial and independently designed aspherical ablation…
- Trial name
- NCT00172913
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Myopia
The Role of SNP of ECM and MMP on the Development of Pathological High Myopia
To study the clinical characteristics and inheritance of pathological myopia in Taiwanese patients.
- Trial name
- NCT00172952
- Where
- Taiwan
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Myopia, Strabismus
A Trial of Bifocals in Myopic Children With Esophoria
To test the hypothesis that correction with bifocal spectacle lenses rather than single-vision lenses will slow the progression of myopia in children with near-point esophoria.
- Conditions
- Myopia, Strabismus, Esophoria
- Trial name
- NCT00000128
- Testing
- Bifocal Spectacle Lenses
- Sponsor
- National Eye Institute (NEI)
Myopia
The Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study
To compare and contrast normal eye growth, ocular component development, and refractive error development in Hispanic, African-American, and Asian schoolchildren with what happens in Caucasian children from the Orinda…
- Trial name
- NCT00000169
- Where
- 3 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)