研究目的
To describe a pediatric visual field (VF) test based on a computer game where software and hardware combine to provide an enjoyable test experience.
研究成果
Preliminary data show the feasibility of a game-based VF test for pediatric use. Although the test was well accepted by the target population, test variability remained very high.
研究不足
Test variability remained very high.
1:Experimental Design and Method Selection:
The test software consists of a platform-based computer game presented to the central VF. A storyline was created around the game as was a structure surrounding the computer monitor to enhance patients’ experience. The patient is asked to help the central character collect magic coins (stimuli). To collect these coins a series of obstacles need to be overcome.
2:Sample Selection and Data Sources:
20 patients (4–16 years old) with no history of VF defects were recruited.
3:List of Experimental Equipment and Materials:
The test was presented on a Sony PVM-2541A monitor calibrated from a central midpoint with a Minolta CS-100 photometer placed at 50 cm. Measurements were performed at 15 locations on the screen and the contrast calculated.
4:Experimental Procedures and Operational Workflow:
Retinal sensitivity was determined by modulating stimulus in size.
5:Data Analysis Methods:
Sensitivity values obtained were compared to an adult population.
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Sony PVM-2541A
PVM-2541A
Sony Corp.
Displaying the computer game for visual field testing
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Minolta CS-100
CS-100
Konica Minolta, Inc.
Measuring luminance from a central midpoint
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ColorCAL MKII
MKII
Cambridge Research Systems Ltd
Investigating gamma correction and monitor warm-up time
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Optical Transient Recorder
OTR-3
DisplayMetrology & Systems
Comparing PTB self-reported and the actual stimulus duration
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