These international initiatives are characterized by multi-criteria vision, contextuality, flexibility and scalability.
In addition to the fitness test, other medical criteria for vision test, audiometry, lung function test and acceptable blood pressure response and heart rates at stress-ECG have to be met.
"The Grapes of Wrath" fit all these criteria: Ford's vision of Dust Bowl America was drawn from John Steinbeck's Pulitzer Prize-winning novel (as well as from the powerful documentary photographs of Dorothea Lange and Walker Evans) and featured 20th Century Fox's handsome lead Henry Fonda as an ex-convict son of sharecroppers.
It is particularly hard to diagnose autism among the visually impaired, partly because some of its diagnostic criteria depend on vision, and partly because autistic symptoms overlap with those of common blindness syndromes or blindisms.
As we refer to a "reduced response" in our paper and not to "non-response", we applied the quite stringent criteria of any vision loss compared to baseline.
Criteria of the vision changes: an international visual acuity chart was applied to compare the visual acuity of patients before surgery with that in 3 months after surgery.
Exclusion criteria were excentric vision, a history of vitrectomy, any treatment with bevacizumab, pegabtanib, or ranibizumab within the last six months, any intravitreal application of triamcinolone within the last twelve months, or a follow-up of less than 12 weeks.
Following this Dutch guideline implies that the inclusion of patients was not limited to only those who strictly meet the formal criteria for low vision as defined by the WHO.
The data were edited off-line for ocular and movement artifact, using a ±100 μV criterion, in Brain Vision Analyzer.
"The decision to exclude these areas results from an analysis examining controversial sectors against three criteria: Comic Relief's vision of a just world, free from poverty; its grant-making programme; and public opinion," the charity said.
Measures of salience are based on the criteria for the particular vision task.
