WebSep 1, 2005 · Photic-induced seizure:A seizure provoked by visual stimulation. The usual stimulus is a flashing light, but it can be patterns of lines, gratings, checkerboards, or other configurations. Photoparoxysmal response (PPR):An abnormal EEG response to light or pattern, consisting of spikes, spike–waves, or intermittent slow waves. WebReflexive sneezing that is induced by sunlight or other bright lights is called photic sneeze reflex. Experts say that the photic sneeze reflex causes sneezing when people experience variations in the intensity of light. Photic sneeze reflex is also called photosneezia or Autosomal Dominant Compelling Helio-Ophthalmic Outburst (ACHOO) syndrome.
Photic Definition & Meaning - Merriam-Webster
WebNov 18, 2002 · Share on Twitter. Share on Reddit. Share on LinkedIn. Share via Email. Print. ... is estimated to occur in 18 to 35 percent of the population and is known as the photic sneeze reflex (PSR) or the ... WebThe photic zone definition is as follows: “The upper layer of a body of water delineated by the depth to which enough sunlight can penetrate to permit photosynthesis. On an average, the photic zone of an ocean reaches … fishatyours
Predictors of Photic Phenomena with a Trifocal IOL OPTH
WebDec 17, 2024 · Solar retinopathy (also known as, photic retinopathy, foveomacular retinitis, solar retinitis, and eclipse retinopathy) refers to a photochemical toxicity and resultant injury to retinal tissues, usually … WebThe photic zone, euphotic zone, epipelagic zone, or sunlight zone is the uppermost layer of a body of water that receives sunlight, allowing phytoplankton to perform photosynthesis. It undergoes a series of physical, chemical, and biological processes that supply nutrients into the upper water column. Webphotic [ fō ′tĭk ] Of or relating to light. Penetrated by or receiving light. Relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis. The depth of … can a 16 year old work overtime