photophobia

(redirected from Light sensitivity)
Also found in: Thesaurus, Medical, Encyclopedia.

pho·to·pho·bi·a

 (fō′tə-fō′bē-ə)
n.
1. An abnormal sensitivity to or intolerance of light, especially by the eyes, as may be caused by eye inflammation, lack of pigmentation in the iris, or various diseases.
2. An abnormal or irrational fear of light.

photophobia

(ˌfəʊtəʊˈfəʊbɪə)
n
1. (Pathology) pathol abnormal sensitivity of the eyes to light, esp as the result of inflammation
2. (Psychiatry) psychiatry abnormal fear of or aversion to sunlight or well-lit places
ˌphotoˈphobic adj

pho•to•pho•bi•a

(ˌfoʊ təˈfoʊ bi ə)

n.
1. an abnormal sensitivity to or intolerance of light, as in iritis.
2. an abnormal fear of light.
[1790–1800]
pho`to•pho′bic, adj.

photophobia

1. an abnormal fear of light.
2. Also called photodysphoria. a painful sensitivity to light, especially visually.
3. a tendency to thrive in reduced light, as certain plants.
See also: Light
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.photophobia - a morbid fear of light
simple phobia - any phobia (other than agoraphobia) associated with relatively simple well-defined stimuli
2.photophobia - pain in the eye resulting from exposure to bright light (often associated with albinism)
hurting, pain - a symptom of some physical hurt or disorder; "the patient developed severe pain and distension"
Translations
Photophobia
光線恐怖症
photophobia
fotofobi
światłowstręt

pho·to·pho·bi·a

n. fotofobia, intolerancia a la luz.
References in periodicals archive ?
Increased light sensitivity can be a symptom of many eye-related disorders and infections and it is best treated in the earliest stages.
The visual PTZ positioning cameras, offer high-video quality with HDTV 1080p, 30x zoom with focus recall, and extreme light sensitivity.
RST-001 is first-in-class gene therapy application of optogenetics, a therapeutic approach that confers light sensitivity to cells that were not previously, or natively, light sensitive.
About one-third of women suffer from migraines, debilitating headaches often accompanied by nausea, vomiting, and light sensitivity.
Low read noise, low light sensitivity, and high speed for live cell imaging and acquisition of fast processes.
Abrasions are painful and cause extreme light sensitivity.
Rounding out its features are Matrix[TM] Advanced Blur Reduction Technology, Retina[TM] Low Light sensitivity, GEOTAG GPS tagging, and image-stamping of all the important stuff.
4-second trigger sped, 12MP still-image resolution, 1080p high-definition video, 16:9 ratio wide-angle lens, time-lapse mode, a black infrared flash with 100-foot range, 2-inch color display screen, burst mode with up to 9 images per triggering, password protection, information stamp on images, Matrix advanced Blur Reduction, Retina Low light sensitivity and GEO-Tag GPS tagging system that pinpoints camera locations.
Sony has developed several technologies to overcome the challenges of 4K cameras in the market: improving visibility and light sensitivity while reducing the amount of bandwidth needed to handle large 4K files.
The image sensor is of a CCD type, capable of producing a superior low light sensitivity of 1.
However, there are a few disadvantages to Morelli's creation, it has low light sensitivity and so night photography becomes hard.
Migraine symptoms can include a pounding headache, nausea, vomiting, and light sensitivity.