Category: D

A stone in the lacrimal sac. A chalk-like stone in the tear ducts.  

A surgical operation to bypass a blockage from the tear duct which takes tears into the nose. Surgical procedure that creates a new opening between the lacrimal sac and nose. Surgical connection of the lumen of a lacrimal sac with the nasal cavity. A surgical intervention aimed at establishing a connection between the tear sac…

Contrast radiography to determine the site of an obstruction in the tear ducts. An X-ray image capturing the tear duct following the introduction of a contrast dye, employed to aid in the identification and localization of any obstruction within the duct.  

Inflammation of the tear-producing gland. It usually occurs only in people who are in generally poor health. Inflammation of a lacrimal gland. It is rare, seen as a complication in epidemic parotitis (mumps involving the lacrimal gland) and present in Mikulicz’s disease. It may be acute or chronic. Discharge of mucus from a lacrimal sac…

Occurs when a person covered under more than one health or accident insurance policy collects, or may collect, payments for the same hospital or medical expenses from more than one insurer. Individual health insurance policies, under State laws, sometimes include anti-duplication clauses against over-insurance due to two similar policies issued by the same insurer; loss-of-time…

The practice of giving people a choice of more than one health insurance or health program to pay for or provide their health services. Usually done by employers who offer employees more than one group health insurance program, or a health insurance program and a prepaid group practice to choose from as a benefit of…

A rule which prescribes, for a drug or class of related drugs, the kinds and amounts of ingredients which it may contain, the conditions for which it may be offered, and directions for use, warnings and other information which its labeling must bear. Drug monographs established by FDA state conditions under which drugs may be…

Somebody who operates a drug store. Sometimes considered synonymous with pharmacist, but is not always limited to people with a pharmacy degree (or even to operators of drug stores in which prescription drugs are dispensed) and is usually applied only to pharmacists who operate, or at least work in, drug stores.  

The plan of the Food and Drug Administration for implementing the evaluations and recommendations of the Drug Efficacy Study Group of the National Academy of Science—National Research Council respecting the effectiveness of drugs marketed prior to 1962 under approved new drug applications. The Drug Efficacy Study was undertaken in 1966 to evaluate all of the…

A fee charged by a pharmacist for filing a prescription. One of two ways that pharmacists charge for the service of filling a prescription, the other being a standard percentage markup on the acquisition cost of the drug involved. A dispensing fee is the .same for all prescriptions, thus representing a larger mark-up on the…