Curved transparent pieces of plastic or glass that are shaped, molded, or ground to refract light in a specific way, as in eyeglasses, microscopes, or cameras. Corrective lenses may be prescribed by an ophthalmologist or optometrist to improve vision.

On organizational letterhead, a formal document detailing needs and purposes by a requestor for a federally funded project. In addition, a letter of support is required from the federal project officer on his or her organizational letterhead.

On organizational letterhead, a document from the federal project officer justifying the need for Centers for Medicare and Medicaid Services (CMS) data and supporting the requestor’s use of such data.

System of applying the same insurance commission payment rate to the premium for each year that a policy is in force.

Medical services provided to patients for conditions arising, often unexpectedly, that need at least one physician experienced in emergency care on duty in the emergency care area. There must be in-hospital physician coverage by members of the medical staff or by senior-level residents for at least medical, surgical, orthopedic, obstetric, gynecologic, pediatric, and anesthesiology services. When coverage can be demonstrated to meet suitably through another mechanism, an equivalent will be considered to exist for purposes of compliance with the requirement. Other specialty consultation must be available within approximately 30 minutes. Initial consultation through two-way voice communication is acceptable. The hospital’s scope of services must include in-house capabilities for managing physical and related emotional problems on a definitive basis. Also see emergency services .

Medical services provided to patients for conditions arising, often unexpectedly, that need at least one physician experienced in emergency care on duty in the emergency care area. Specialty consultation must be available within approximately 30 minutes by members of the medical staff or by senior-level residents. Initial consultation through two-way voice communication is acceptable. The hospital’s scope of services must include in-house capabilities for managing physical and related emotional problems, with provision for patient transfer to another facility when required. Also see emergency services .