Search results
Results From The WOW.Com Content Network
Photophobia is a medical symptom of abnormal intolerance to visual perception of light. [1] As a medical symptom, photophobia is not a morbid fear or phobia, but an experience of discomfort or pain to the eyes due to light exposure or by presence of actual physical sensitivity of the eyes, [2] though the term is sometimes additionally applied to abnormal or irrational fear of light, such as ...
Photophobia is a symptom of excessive sensitivity to light which affects 5 to 20% of the population. Studies have shown that fluorescent lighting (which flickers 100 times a second) is twice as likely to cause headaches in office workers as non-flickering lights. [7]
The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...
Ichthyosis follicularis, alopecia, and photophobia (IFAP) syndrome is an extremely rare genetic syndrome caused by mutations in the MBTPS2 gene. [ 2 ] : 564 It is extremely rare: there were only 40 known cases (all male) until 2011.
Visual snow syndrome (VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white, black, transparent, or colored dots across the whole visual field. [7] [4] Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and tension headaches.
9 Types Of Migraines. Not everyone will have “typical” migraine symptoms depending on a number of factors, including age, sex, family health history and other causes.
The most common symptoms are fever, intense headache, vomiting and neck stiffness and occasionally photophobia. [1] Other symptoms include confusion or altered consciousness, nausea, and an inability to tolerate light or loud noises. [1] Young children often exhibit only nonspecific symptoms, such as irritability, drowsiness, or poor feeding. [1]
Patients with systemic lupus erythematosus experience skin symptoms after sunlight exposure; some types of porphyria are aggravated by sunlight. A rare hereditary condition xeroderma pigmentosum (a defect in DNA repair) is thought to increase the risk of UV-light-exposure-related cancer by increasing photosensitivity.