Vision Improvement for Patients With Age-Related Macular Degeneration

2020-02-19 18:28:40 | BioPortfolio


The purpose of this study is to determine whether the Optimal Acuity Clear-K® Low Vision Aid System provides a safe and effective treatment to improve vision for patients with age-related macular degeneration.


The Optimal Acuity Clear-K® Low Vision Aid System treats corneas with near infrared light in order to change the modulus of small volumes of anterior stromal corneal tissue. The change of modulus produces a change of corneal stiffness and shape that modifies the distribution of light onto the retina. Light rays are redirected from dysfunctional areas of the retina that have been damaged by age-related macular degeneration (AMD) to functional areas of the retina, thereby improving patient vision.

120 AMD patients meeting eligibility requirements will be treated. The study will record and analyze pre-treatment (Tx) and post-Tx examinations with follow-up extending to 24 months post-Tx. Analysis will include descriptive statistics and measures of correlation between outcomes and patient baseline characteristics.

The primary objective of the study is to evaluate the safety and effectiveness of Clear-K® treatment in providing vision improvement to AMD patients.

Study Design


Age-related Macular Degeneration


Optimal Acuity Clear-K® Low Vision Aid System treatment


Canadian National Institute for the Blind
M4G 3E8


Not yet recruiting


Optimal Acuity Corporation

Results (where available)

View Results


Published on BioPortfolio: 2020-02-19T18:28:40-0500

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Medical and Biotech [MESH] Definitions

Vision considered to be inferior to normal vision as represented by accepted standards of acuity, field of vision, or motility. Low vision generally refers to visual disorders that are caused by diseases that cannot be corrected by refraction (e.g., MACULAR DEGENERATION; RETINITIS PIGMENTOSA; DIABETIC RETINOPATHY, etc.).

Clarity or sharpness of OCULAR VISION or the ability of the eye to see fine details. Visual acuity depends on the functions of RETINA, neuronal transmission, and the interpretative ability of the brain. Normal visual acuity is expressed as 20/20 indicating that one can see at 20 feet what should normally be seen at that distance. Visual acuity can also be influenced by brightness, color, and contrast.

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Qualified professionals trained in primary eye and vision care, including measurement of visual abilities, diagnosing disorders of the visual system and provision of treatment such as prescriptions for correction of visual defects with lenses or glasses and vision therapy.

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Ophthalmology is the branch of medicine that is devoted to the study and treatment of eye diseases. As well as mild visual defects correctable by lenses, ophthalmology is concerned with glaucoma, uveitis and other serious conditions affecting the eye, ...

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