View clinical trials related to Myopia.
Filter by:Study Objectives The objectives for this randomized trial are: 1. To determine the efficacy of daily low-dose atropine (0.01%) for slowing myopia progression over a two-year treatment period in children aged 5 to less than 13 years (Primary Outcome On-Treatment). 2. To determine the efficacy of atropine treatment on myopia progression 6 months following cessation of low-dose atropine treatment (Secondary Outcome Off-Treatment). Synopsis of Study Design The current study is designed as an efficacy study, making effort to maximize adherence to treatment group assignments. After a run-in phase during which all participants are treated with daily artificial tear eyedrops for 2-4 weeks (and glasses are updated if required) to assess their ability to adhere to daily eye drops, participants are randomly assigned to daily atropine or placebo for 24 months, followed by 6 months off treatment.
To investigate the safety and efficacy of three concentrations of DE-127 ophthalmic solution when compared to Placebo in subjects diagnosed with mild or moderate myopia. To investigate the dose response of DE-127.
The assessment of the refractive state of the eye is a fundamental and important part of ophthalmic and optometric clinical practice. The development of an unsupervised online subjective refraction method makes a refraction more accessible and can be quite cost-saving. In this study, the investigators want to validate an online refraction method which was recently created in the Netherlands. The study comprises two different set of participants: Part one contains fifty healthy volunteers, 18-40 years of age, with a refractive error and no other ophthalmic pathology. Part two contains fifty patients with an ophthalmic pathology. The online refraction outcomes will be compared to a manifest refraction and automated refraction in a cross-sectional study design.
The purpose of this study is to validate the clinical performance of a new contact lens design when worn over a period 1 week compared to nelfilcon A (control).
The purpose of this study is to evaluate the performance of the investigational verofilcon A contact lens compared to the commercially available delefilcon A contact lens, by assessing visual acuity as the primary variable.
To investigate the effect of caffeine on ocular circulation by using Optical Coherence Tomography and Optical Coherence Tomography Angiography. This study will evaluate blood supply to the inner and outer retina after consumption of 200mg caffeine capsule, in particular its effect in high myopes.
The investigators are analyzing outcomes of topography-guided LASIK surgery in participants with myopia and myopic astigmatism
This study will include patients who will undergo PRK in both eyes, for each patient each eye will be randomly allocated to one of 2 procedures: topography-guided ablation in one eye (group I) and Q-factor customized ablation in the other eye (group II). Alcon/Wavelight Light Laser Technolo¬gie (GmbH, Erlangen, Germany) will be used for photoablation. The wavelight Topolyzer (Wavelight AG, Erlan¬gen, Germany)and CSO Sirius scheimpflug camera combined with Placido corneal topography (CSO, Florence,Italy) will be used before and 1, 3 and 6 months after PRK. Refrac¬tive visual outcomes and corneal aberration changes will be compared between the two treatment modalities.
The purpose of this study is to evaluate the clinical performance of the contact lens care product Oté Sensation in a representative population of soft contact lens wearers. For comparison, a widely used FDA approved soft lens multipurpose solution will be used as a control. This control product has been tested in previous clinical trials.
the investigator will evaluate the change in endothelial cell count in eyes implanted with the iris-claw phakic Artisan lens for treatment of moderate to high myopia using specular microscopy