Diplopia
Double vision (diplopia) is one of the most troublesome visual disorders a patient can experience. The ability to read, walk and perform common activities is suddenly disrupted. The management of double vision may include prisms, orthoptics, therapy, eye muscle surgery and occlusion. The goal is to establish clear binocular single vision. Double vision management may require any combination of these therapies. Since some patients may recover function over time, surgery may be not be considered initially. Prisms should be used when it aids the patient in eliminating double vision. Press-on prisms may be applied to the patient's lenses to reduce double vision. Orthoptic therapy may be indicated in many cases. When diplopia causes significant discomfort, and is not responsive to other therapies, occlusion may be used. Unfortunately many clinicians are still prescribing black "pirate" patches. These are rarely required. New methods of occlusion are now available.
Double Vision Unresponsive to Orthoptics, Prism and Surgery While the goal is always to reform comfortable, functional binocular vision, this is not always possible. Some patients experience severe functional problems due to constant or intermittement double vision.
Management of Double VisionNew Semi-translucent Patching
Fresnel Prism and Lens Company The Fresnel Prism and Lens Co. was founded in 1987 by Eugene L. Lewan Following a long term career with 3M(TM) company, where for many years as Director of International Marketing for the Health Care Group, he orchestrated the development and direction of 3M's(TM) Medical, Surgical and Dental Markets. It was clear from the beginning that there was a need for additional products to aid in the diagnostic and therapeutic issues related to Eye Care. This was especially noted when working closely with Eye Care Specialists i.e. Pediatric and Neuro-Ophthalmologists, Orthoptists, Optometrists, and other Low Vision practices.
3M press-on(TM) Optics was an obvious widely used product and became the major line around which other products were to follow. Initially the Fresnel Prism Trial Sets were reestablished. With an eye to the world for related products, the Ryser Bangerter Occlusion Foils, were added. These new products, relatively unknown in the USA, filled a professional need and clearly began to identify Fresnel Prism and Lens Co. as a key supplier to this narrow market within the Eye Care field.
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