Visual Acuity Reporting in Clinical Research Publications
نویسندگان
چکیده
منابع مشابه
Understanding and reporting visual acuity measurements in publications of clinical research.
V isual acuity is an important measure for assessment of visual function. While there are many charts available to test visual acuity, there is lack of consistency in the methods of testing and methods of reporting visual acuity that may make comparisons difficult between visual outcomes among different published studies. In our opinion, most US ophthalmologists are familiar with the Snellen no...
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Persons with impaired decision-making capacity require special ethical protections during recruitment for and participation in research. To assess how fully basic protections for these persons were reported in the literature, the first structured review of a sample of reports of trials including Alzheimer's subjects was performed in 62 journals between January 1992 and December 1998. Neither in...
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The acuity of compound eyes is determined by interommatidial angles, optical quality, and rhabdom dimensions. It is also affected by light levels and speed of movement. In insects, interommatidial angles vary from tens of degrees in Apterygota, to as little as 0.24 degrees in dragonflies. Resolution better than this is not attainable in compound eyes of realistic size. The smaller the interomma...
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ژورنال
عنوان ژورنال: JAMA Ophthalmology
سال: 2017
ISSN: 2168-6165
DOI: 10.1001/jamaophthalmol.2017.0932