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Optical phenomenon. Optical phenomena are any observable events that result from the interaction of light and matter . All optical phenomena coincide with quantum phenomena. [ 1] Common optical phenomena are often due to the interaction of light from the Sun or Moon with the atmosphere, clouds, water, dust, and other particulates.
One drop gtt drops GSL General sales list Gutt/g Guttae (drops) Meds Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) qds/qid Four times a day Rx Prescription tds/tid Three times a day ung
A typical surveying prism with back target. In surveying, a retroreflector—usually referred to as a prism —is normally attached on a surveying pole and is used as a target for distance measurement, for example, a total station. The instrument operator or robot aims a laser beam at the retroreflector.
Box office. $13.1 million [1] or $3.5 million (North America) [2] Cat's Eye (also known as Stephen King's Cat's Eye) is a 1985 American anthology horror thriller film directed by Lewis Teague and written by Stephen King. It comprises three stories, "Quitters, Inc.", "The Ledge", and "General". The first two are adaptations of short stories in ...
Fifty-nine cats roam freely through the estate, half of them descendants of Hemingway's own six-toed cat, Snow White. Visitors are kept away from the original furniture, but the animals lounge on ...
Purpose. whether a person has strabismus. In the fields of optometry and ophthalmology, the Hirschberg test, also Hirschberg corneal reflex test, is a screening test that can be used to assess whether a person has strabismus (ocular misalignment). A photographic version of the Hirschberg test is used to quantify strabismus.
The European Organisation for Astronomical Research in the Southern Hemisphere,[2]commonly referred to as the European Southern Observatory(ESO), is an intergovernmental research organisationmade up of 16 member states for ground-based astronomy. Created in 1962, ESO has provided astronomers with state-of-the-art research facilities and access ...
An alexandrite cat's eye is a chrysoberyl cat's eye that changes color. "Milk and honey" is a term commonly used to describe the color of the best cat's eyes. The effect refers to the sharp milky ray of white light normally crossing the cabochon as a center line along its length and overlying the honey-colored background.