Glare (vision) Glare is difficulty seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night. Because of this, some cars include mirrors with automatic anti-glare functions. Glare is caused by a significant ratio of luminance between the task and the glare source. Factors such as the angle between the task and the glare source and eye adaptation have significant impacts on the experience of glare.
Pica is the practice of craving substances with little or no nutritional value. Most pregnancy and pica related cravings involve non-food substances such as dirt or chalk. The word pica is Latin for magpie which is a bird notorious for eating almost anything.he reason that some women develop pica cravings during pregnancy is not known for certain. There is currently no identified cause; however, according to the Journal of American Dietetic Association there may be a connection to an iron deficiency.
PICO (alternately known as PICOT) is a mnemonic used to describe the four elements of a good clinical question. It stands for: P--Patient/ProblemI--InterventionC--ComparisonO--Outcome. Many people find that it helps them clarify their question, which in turn makes it easier to find an answer.ore on PICO & Clinical questions. We can use our PICO statement to list terms to search on. Under each letter, we'll list all the possible terms we might use in our search. P-Community Dwelling: It is much easier to search on 'hospitalized' than non-hospitalized subjects.