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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 ...
The late type is additionally divided into "dry" and "wet" forms, with the dry form making up 90% of cases. [1] [3] The difference between the two forms is categorized by the change in the macula. Those with dry form AMD have drusen, cellular debris in their macula that gradually damages light-sensitive cells and leads to vision loss. In wet ...
Light therapy in the form of light boxes are a frequent non-drug treatment for SAD. Several preliminary studies have shown that light therapy is a positive treatment for depressive symptoms for older persons [ 8 ] [ 9 ] [ 10 ] although more studies need to be done in this area.
As the numbers climb for those infected with the novel coronavirus, the dangers rise for vulnerable populations. People who are older or with underlying medical conditions risk the severest ...
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Severe cases are most common in older adults (those older than 60 years, [73] and especially those older than 80 years). [100] Many developed countries do not have enough hospital beds per capita , which limits a health system 's capacity to handle a sudden spike in the number of COVID-19 cases severe enough to require hospitalisation. [ 101 ]
ongoing symptomatic COVID-19 for effects from four to twelve weeks after onset, and; post-COVID-19 syndrome for effects that persist 12 or more weeks after onset. The clinical case definitions specify symptom onset and development. For instance, the WHO definition indicates that "symptoms might be new onset following initial recovery or persist ...