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Objective: To examine the data quality and usability of visual acuity (VA) data extracted from an electronic health record (EHR) system during ophthalmology encounters and provide recommendations for consideration of relevant VA end points in ...
Judith E. Goldstein, OD+3 more
doaj +3 more sources
THE RELATION BETWEEN VISUAL ACUITY AND ILLUMINATION [PDF]
1. Visual acuity varies in a definite manner with the illumination. At low intensities visual acuity increases slowly in proportion to log I; at higher intensities it increases nearly ten times more rapidly in relation to log I; at the highest ...
Selig Hecht
openalex +2 more sources
Estimating Visual Acuity Without a Visual Acuity Chart. [PDF]
This study explored whether visual acuity (VA) can be inferred from self-reported ability to recognize everyday objects using a set of yes/no questions.Participants answered 100 yes/no questions designed to assess their ability to recognize familiar objects at typical viewing distances, such as distinguishing between a full moon and a half moon on a ...
Wu YH+9 more
europepmc +3 more sources
THE VISUAL ACUITY OF THE HONEY BEE [PDF]
1. Bees respond by a characteristic reflex to a movement in their visual field. By confining the field to a series of parallel dark and luminous bars it is possible to determine the size of bar to which the bees respond under different conditions and in ...
Selig Hecht, Ernst Wolf
openalex +2 more sources
Records of Visual Acuity [PDF]
n ...
London, Wc H, Tavistock Square
+8 more sources
Development and Validation of a Smartphone-Based Visual Acuity Test (Peek Acuity) for Clinical Practice and Community-Based Fieldwork. [PDF]
IMPORTANCE: Visual acuity is the most frequently performed measure of visual function in clinical practice and most people worldwide living with visual impairment are living in low- and middle-income countries.
Bastawrous, Andrew+6 more
core +2 more sources
Dry eye (DE) causes irregularity of the ocular surface and reduces the quality of vision. An intact, regular tear film is essential for high-quality retinal images; however, visual tasks requiring sustained gazing can disrupt the tear film, eventually degrading visual function.
M. Kaido
openaire +4 more sources
Visual acuity assessment [PDF]
The immunopharmacological actions of nedocromil sodium are fully compatible with administration to man. Nedocromil sodium exhibits a wide range of anti-inflammatory actions. When compared with sodium cromoglycate, nedocromil sodium is more potent and a major difference is seen in the Ascaris-sensitised monkey subjected to bronchial challenge with ...
J R Weatherill
openalex +3 more sources
Definition of Visual Acuity [PDF]
Molly E. Gilbert
openalex +4 more sources