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Astigmatism Clinical Trials

A listing of Astigmatism medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.


Found (26) clinical trials

Toric IOL vs Non-toric IOL With LRI for Corneal Astigmatism

This is a randomised controlled trial with intra-patient comparison (bilateral study) in which study patients will be randomized by a medical statistician to the implantation of the toric intraocular lens (IOL) (model MX60T, Bausch & Lomb) in one eye and the non-toric IOL model MX60 plus LRI in the fellow ...

Phase N/A

The MORE Study: Manifest vs. Online Refraction Evaluation

Uncorrected refractive errors cause significant economic implications in both high and low income countries in terms of the loss of potential productivity (Williams et al. (2015)). The prevalence of uncorrected refractive errors is, despite of the available clinical services, still huge; visual impairment is in 42 percent of the cases ...

Phase N/A

Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia

Anisometropia is a condition in which one eye has a significantly different refractive error from the other and commonly leads to the development of refractive amblyopia in the affected eye. High isoametropia is the condition in which both eyes have high refractive error and commonly leads to bilateral refractive amblyopia ...

Phase N/A

A Comparison of LASIK Outcomes Using Two Femtosecond Lasers

Patients will have a comprehensive eye examination once they express an interest in the study. This includes a slit lamp examination of the front of the eye and a dilated fundoscopic examination of the back of the eye. If there is any pathology noted that would exclude the patient from ...

Phase N/A

Apioc Contact Lens Feasibility

This is a one-site, non-dispensing clinical trial using the Apioc contact lens design. This soft contact lens study will determine the feasibility of this design by determining which parameters of the shape of the Apioc Contact Lens design will yield a successful fit across subjects. We will also determine the ...

Phase N/A

Visual Outcomes for Toric Efficacy Study

This is a crossover study of two types of contact lenses (toric orthokeratology and soft multifocals). Primary aims are to quantify correction of astigmatism, subjective and objective visual performance, aberrometry, peripheral refraction and bacterial bioburden between toric orthokeratology and soft toric multifocal contact lenses.

Phase N/A