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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 (4) clinical trials

A Study With Technolas TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic Astigmatism

Technolas TENEO 317 Model 2 excimer laser is a scanning excimer laser that operates at 193 nm ultraviolet wavelength to photoablate corneal tissue in order to achieve a refractive change. It is planned to enroll and treat up to 334 participant eyes, with an expectation that 300 study eyes will …

Phase N/A

Multicenter Clinical Trial of a Phakic Implantable Collamer Lens (ICL)

This study will be conducted at up to 20 clinical sites in the United States by surgeons qualified by training and experience to implant STAAR ICLs.

Phase N/A

Contribution of Posterior Corneal Astigmatism to Total Corneal Astigmatism in a Sample of Egyptian Population

Astigmatism is a common vision condition that causes blurred vision. Astigmatism is an error of refraction in which incident parallel rays can't be focused to a single point .It could be corneal or lenticular astigmatism or both . Regarding Corneal astigmatism it is due to difference in the corneal curvature …

Phase N/A

Neural Mechanisms Underlying Astigmatism

The presence of astigmatism can lead to substantial reductions in visual performance in a variety of clinical vision measures and functional visual tasks. However, the neural mechanisms underlying the astigmatism remains unknown. The current study recruited three groups (patients with with-the-rule astigmatism and amblyopia, patients with with-the-rule astigmatism but without …

Phase N/A