Clinical Trials for Astigmatism

Evaluation of Daily Disposable Toric Soft Lenses Manufactured With an Alternative Hydration Process

NCT ID: NCT06967129

This clinical trial is looking at a new type of daily disposable contact lens designed for people with astigmatism, a condition where the eye does not focus light evenly, causing blurred vision. Th...

Revive Toric RWE Study

NCT ID: NCT06785194

The Revive Toric RWE Study is a clinical trial that aims to understand how well a specific type of contact lens, called the REVIVE samfilcon B custom toric lenses, works for people with astigmatism...

Observational Study - TA- 2025-1

NCT ID: NCT07007897

KLEx Versus FS-LASIK for the Treatment of Myopia and Compound Myopic Astigmatism

NCT ID: NCT06477081

This clinical trial is comparing two types of laser eye surgeries—KLEx and FemtoLASIK—to see which one is better for treating vision problems like nearsightedness (myopia) and astigmatism. FemtoLAS...

Photorefractive Keratectomy (PRK) : Comparison of Corneal Haze Between Two Modes of De-epithelialisation (Laser Versus Manual Alcohol)

NCT ID: NCT05072977

This clinical trial is studying two different methods of preparing the cornea for a type of eye surgery called Photorefractive Keratectomy (PRK), which helps correct vision problems like nearsighte...

Rotation of Hydrophobic Acrylic Lenses - Rayner RA0800C & Alcon Clareon & Hoya Nanex & Hoya Vivinex XY1-EM & RayOne EMV Toric & PODEYE Toric

NCT ID: NCT03803852

This clinical trial is studying different types of intraocular lenses (IOLs) used during cataract surgery to see how well they work for patients with age-related cataracts and astigmatism. The tria...

Visual Performance With Clareon® Vivity® Intraocular Lenses (IOLs)

NCT ID: NCT06784063

This clinical trial is looking at how well a specific type of eye lens, called Clareon Vivity intraocular lenses, works for people with astigmatism. Astigmatism is a common vision problem that can ...

North American Comfilcon A Clinical Study

NCT ID: NCT06902584

The North American Comfilcon A Clinical Study is testing different types of contact lenses—specifically, comfilcon A Sphere, Toric, Multifocal, Toric Multifocal, and Energys lenses—to see how safe ...

Effectiveness and Safety of Limbal Relaxing Incisions for Correcting Post Phacoemulsification High Astigmatism

NCT ID: NCT06896357

This clinical trial is looking at a treatment called Limbal Relaxing Incisions (LRIs) to see how effective it is for correcting high astigmatism that can occur after cataract surgery (phacoemulsifi...

Post Market Clinical Follow-up (PMCF) Study of Clareon Vivity & Clareon PanOptix

NCT ID: NCT05796453

This clinical trial is studying the long-term safety and performance of specific types of intraocular lenses (IOLs) called Clareon Vivity, Clareon Vivity Toric, Clareon PanOptix, and Clareon PanOpt...

Short-term Study of Two Soft Contact Lenses in Wearers With Low Astigmatism

NCT ID: NCT06873048

This clinical trial is looking to compare the performance of two different types of soft contact lenses specifically for people with low astigmatism (a common vision condition where the eye is not ...

DAILIES TOTAL1® Soft Contact Lenses - Post-Market Clinical Follow-up Study

NCT ID: NCT06483113

Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)

NCT ID: NCT06408649

Application of Phototherapeutic Keratectomy Mode to Mark the Axis of Astigmatism

NCT ID: NCT06694051

This clinical trial is studying a new method to help people with astigmatism, a common vision problem where the eye does not focus light evenly, which can cause blurry vision. The researchers are u...

An Evaluation of LASIK, SMILE and PRK Surgery in Physicians

NCT ID: NCT02576483

This clinical trial is looking at how different eye surgeries—LASIK, SMILE, and PRK—affect the vision and quality of life for doctors and medical students. These procedures are designed to help peo...

Accuracy of Corneal Astigmatism in Different Region Modes

NCT ID: NCT03299530

This clinical trial is looking at how accurately we can measure astigmatism in the cornea, which is the clear front part of the eye. Astigmatism is a common vision problem caused by an irregular sh...

Femtosecond Laser Arcuate Keratotomy Versus Toric Intraocular Lens Implantation in Cataract Surgery

NCT ID: NCT06215807

This clinical trial is studying two different methods to correct astigmatism during cataract surgery: one method uses a special laser called femtosecond laser arcuate keratotomy, while the other us...

Software Refraction With Mobilerone Versus Retinoscopy

NCT ID: NCT06059521

This clinical trial is studying a new device called Mobilerone, which helps measure vision to treat conditions like myopia (nearsightedness) and astigmatism in adults and older children. The resear...

EyeQue VisionCheck 510(k) Clinical Trial

NCT ID: NCT06044688

The EyeQue VisionCheck 510(k) Clinical Trial is studying a new device designed to measure vision problems like nearsightedness, farsightedness, and astigmatism. The goal is to see if the measuremen...

Comparison of Phacoemulsification and Corneal Damage Between FLACS and Standard Phaco With Two Handpieces

NCT ID: NCT05119270

This clinical trial is studying two new technologies used during cataract surgery to see if they are more effective and safer than the traditional method. One technology is a femtosecond laser, whi...