The effectiveness of computer screen filters
We have compared the performance of a variety of computer screen filters which are currently available in Australia. The filters tested included six neutral density filters and 10 mesh filters. The testing incorporated measurements of the filters’ effectiveness in reducing the luminance of specular and diffuse reflections, along with an analysis of the effect of the filters on screen luminance / contrast at a variety of viewing angles (from 0 degrees to 50 degrees). As groups, the neutral density filters with antireflection coatings and mesh filters performed significantly better than neutral density filters without antireflection coatings in reducing the luminance of specular reflections. The diffuse reflections, the neutral density filters with antireflection coatings performed significantly better than mesh filters in reducing the luminance of the reflections. The performance of mesh filters in reducing specular reflections was significantly positively correlated with the density of the mesh. All filter types caused reductions in screen luminance and contrast with increase in off-axis viewing angles.
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|Item Type:||Journal Article|
|Additional Information:||The contents of this journal from 1998 to 2005 can be freely accessed online via the journal's web page (see link). Author contact details: email@example.com|
|Keywords:||computer, VDT, visual display terminal, filter, glare, reflection|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 1993 Optometrists Association Australia|
|Deposited On:||28 Sep 2006|
|Last Modified:||15 Jan 2009 17:12|
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