Search results
Results from the WOW.Com Content Network
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
VSP Vision Care (VSP) is a vision care health insurance company operating in Australia, Canada, Ireland, the United States, and the United Kingdom.It is a doctor-governed company divided into five businesses: “eye care insurance, high-quality eyewear, lens and lens enhancements, ophthalmic technology, and connected experiences to strengthen the relationship between patients and their eye ...
The Federal Employees Health Benefits ( FEHB) Program is a system of "managed competition" through which employee health benefits are provided to civilian government employees and annuitants of the United States government. The government contributes 72% of the weighted average premium of all plans, not to exceed 75% of the premium for any one ...
Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
Centers for Medicare and Medicaid Services logo. Medicare Part D, also called the Medicare prescription drug benefit, is an optional United States federal-government program to help Medicare beneficiaries pay for self-administered prescription drugs. [ 1] Part D was enacted as part of the Medicare Modernization Act of 2003 and went into effect ...
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
In the United States, health insurance helps pay for medical expenses through privately purchased insurance, social insurance, or a social welfare program funded by the government. [1] [2] Synonyms for this usage include "health coverage", "health care coverage", and "health benefits". In a more technical sense, the term "health insurance" is ...
Website. geha.com. GEHA (Government Employees Health Association) is a self-insured, not-for-profit association providing medical and dental plans to federal employees and retirees and their families through the Federal Employees Health Benefits ( FEHB) program and the Federal Employees Dental and Vision Insurance Program (FEDVIP).